1561 lines
50 KiB
C
1561 lines
50 KiB
C
/*
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* Public Key abstraction layer: wrapper functions
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#include "common.h"
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#include "mbedtls/platform_util.h"
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#if defined(MBEDTLS_PK_C)
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#include "pk_wrap.h"
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#include "pk_internal.h"
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#include "mbedtls/error.h"
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#include "mbedtls/psa_util.h"
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/* Even if RSA not activated, for the sake of RSA-alt */
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#include "mbedtls/rsa.h"
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#if defined(MBEDTLS_ECP_C)
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#include "mbedtls/ecp.h"
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#endif
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#if defined(MBEDTLS_ECDSA_C)
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#include "mbedtls/ecdsa.h"
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#endif
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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#include "psa_util_internal.h"
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#include "psa/crypto.h"
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#include "mbedtls/psa_util.h"
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#if defined(MBEDTLS_RSA_C)
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#include "pkwrite.h"
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#include "rsa_internal.h"
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#endif
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#if defined(MBEDTLS_PK_CAN_ECDSA_SOME)
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#include "mbedtls/asn1write.h"
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#include "mbedtls/asn1.h"
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#endif
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#include "mbedtls/platform.h"
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#include <limits.h>
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#include <stdint.h>
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#include <string.h>
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#if defined(MBEDTLS_RSA_C)
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static int rsa_can_do(mbedtls_pk_type_t type)
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{
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return type == MBEDTLS_PK_RSA ||
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type == MBEDTLS_PK_RSASSA_PSS;
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}
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static size_t rsa_get_bitlen(mbedtls_pk_context *pk)
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{
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const mbedtls_rsa_context *rsa = (const mbedtls_rsa_context *) pk->pk_ctx;
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return 8 * mbedtls_rsa_get_len(rsa);
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}
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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static int rsa_verify_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
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const unsigned char *hash, size_t hash_len,
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const unsigned char *sig, size_t sig_len)
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{
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
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psa_status_t status;
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int key_len;
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unsigned char buf[MBEDTLS_PK_RSA_PUB_DER_MAX_BYTES];
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unsigned char *p = buf + sizeof(buf);
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psa_algorithm_t psa_alg_md =
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PSA_ALG_RSA_PKCS1V15_SIGN(mbedtls_md_psa_alg_from_type(md_alg));
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size_t rsa_len = mbedtls_rsa_get_len(rsa);
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#if SIZE_MAX > UINT_MAX
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if (md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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#endif
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if (sig_len < rsa_len) {
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return MBEDTLS_ERR_RSA_VERIFY_FAILED;
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}
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key_len = mbedtls_rsa_write_pubkey(rsa, buf, &p);
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if (key_len <= 0) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
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psa_set_key_algorithm(&attributes, psa_alg_md);
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psa_set_key_type(&attributes, PSA_KEY_TYPE_RSA_PUBLIC_KEY);
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status = psa_import_key(&attributes,
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buf + sizeof(buf) - key_len, key_len,
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&key_id);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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status = psa_verify_hash(key_id, psa_alg_md, hash, hash_len,
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sig, sig_len);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_RSA_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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status = psa_destroy_key(key_id);
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if (ret == 0 && status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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}
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return ret;
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}
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#else /* MBEDTLS_USE_PSA_CRYPTO */
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static int rsa_verify_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
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const unsigned char *hash, size_t hash_len,
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const unsigned char *sig, size_t sig_len)
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{
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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size_t rsa_len = mbedtls_rsa_get_len(rsa);
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#if SIZE_MAX > UINT_MAX
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if (md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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#endif
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if (sig_len < rsa_len) {
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return MBEDTLS_ERR_RSA_VERIFY_FAILED;
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}
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if ((ret = mbedtls_rsa_pkcs1_verify(rsa, md_alg,
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(unsigned int) hash_len,
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hash, sig)) != 0) {
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return ret;
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}
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/* The buffer contains a valid signature followed by extra data.
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* We have a special error code for that so that so that callers can
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* use mbedtls_pk_verify() to check "Does the buffer start with a
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* valid signature?" and not just "Does the buffer contain a valid
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* signature?". */
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if (sig_len > rsa_len) {
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return MBEDTLS_ERR_PK_SIG_LEN_MISMATCH;
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}
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return 0;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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int mbedtls_pk_psa_rsa_sign_ext(psa_algorithm_t alg,
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mbedtls_rsa_context *rsa_ctx,
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const unsigned char *hash, size_t hash_len,
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unsigned char *sig, size_t sig_size,
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size_t *sig_len)
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{
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
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psa_status_t status;
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int key_len;
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unsigned char *buf = NULL;
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unsigned char *p;
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buf = mbedtls_calloc(1, MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES);
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if (buf == NULL) {
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return MBEDTLS_ERR_PK_ALLOC_FAILED;
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}
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p = buf + MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES;
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*sig_len = mbedtls_rsa_get_len(rsa_ctx);
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if (sig_size < *sig_len) {
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mbedtls_free(buf);
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return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
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}
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key_len = mbedtls_rsa_write_key(rsa_ctx, buf, &p);
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if (key_len <= 0) {
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mbedtls_free(buf);
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
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psa_set_key_algorithm(&attributes, alg);
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psa_set_key_type(&attributes, PSA_KEY_TYPE_RSA_KEY_PAIR);
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status = psa_import_key(&attributes,
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buf + MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES - key_len, key_len,
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&key_id);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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status = psa_sign_hash(key_id, alg, hash, hash_len,
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sig, sig_size, sig_len);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_RSA_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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mbedtls_free(buf);
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status = psa_destroy_key(key_id);
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if (ret == 0 && status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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}
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return ret;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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static int rsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
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const unsigned char *hash, size_t hash_len,
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unsigned char *sig, size_t sig_size, size_t *sig_len,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
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{
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((void) f_rng);
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((void) p_rng);
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psa_algorithm_t psa_md_alg;
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psa_md_alg = mbedtls_md_psa_alg_from_type(md_alg);
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if (psa_md_alg == 0) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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return mbedtls_pk_psa_rsa_sign_ext(PSA_ALG_RSA_PKCS1V15_SIGN(
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psa_md_alg),
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pk->pk_ctx, hash, hash_len,
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sig, sig_size, sig_len);
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}
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#else /* MBEDTLS_USE_PSA_CRYPTO */
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static int rsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
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const unsigned char *hash, size_t hash_len,
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unsigned char *sig, size_t sig_size, size_t *sig_len,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
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{
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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#if SIZE_MAX > UINT_MAX
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if (md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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#endif
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*sig_len = mbedtls_rsa_get_len(rsa);
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if (sig_size < *sig_len) {
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return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
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}
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return mbedtls_rsa_pkcs1_sign(rsa, f_rng, p_rng,
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md_alg, (unsigned int) hash_len,
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hash, sig);
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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static int rsa_decrypt_wrap(mbedtls_pk_context *pk,
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const unsigned char *input, size_t ilen,
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unsigned char *output, size_t *olen, size_t osize,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
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{
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
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psa_status_t status;
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int key_len;
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unsigned char buf[MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES];
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unsigned char *p = buf + sizeof(buf);
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((void) f_rng);
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((void) p_rng);
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#if !defined(MBEDTLS_RSA_ALT)
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if (rsa->padding != MBEDTLS_RSA_PKCS_V15) {
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return MBEDTLS_ERR_RSA_INVALID_PADDING;
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}
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#endif /* !MBEDTLS_RSA_ALT */
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if (ilen != mbedtls_rsa_get_len(rsa)) {
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return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
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}
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key_len = mbedtls_rsa_write_key(rsa, buf, &p);
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if (key_len <= 0) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
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psa_set_key_type(&attributes, PSA_KEY_TYPE_RSA_KEY_PAIR);
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psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
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psa_set_key_algorithm(&attributes, PSA_ALG_RSA_PKCS1V15_CRYPT);
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status = psa_import_key(&attributes,
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buf + sizeof(buf) - key_len, key_len,
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&key_id);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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status = psa_asymmetric_decrypt(key_id, PSA_ALG_RSA_PKCS1V15_CRYPT,
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input, ilen,
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NULL, 0,
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output, osize, olen);
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_RSA_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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mbedtls_platform_zeroize(buf, sizeof(buf));
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status = psa_destroy_key(key_id);
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if (ret == 0 && status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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}
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return ret;
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}
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#else /* MBEDTLS_USE_PSA_CRYPTO */
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static int rsa_decrypt_wrap(mbedtls_pk_context *pk,
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const unsigned char *input, size_t ilen,
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unsigned char *output, size_t *olen, size_t osize,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
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{
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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if (ilen != mbedtls_rsa_get_len(rsa)) {
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return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
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}
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return mbedtls_rsa_pkcs1_decrypt(rsa, f_rng, p_rng,
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olen, input, output, osize);
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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static int rsa_encrypt_wrap(mbedtls_pk_context *pk,
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const unsigned char *input, size_t ilen,
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unsigned char *output, size_t *olen, size_t osize,
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
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{
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
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mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
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psa_status_t status;
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int key_len;
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unsigned char buf[MBEDTLS_PK_RSA_PUB_DER_MAX_BYTES];
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unsigned char *p = buf + sizeof(buf);
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|
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((void) f_rng);
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((void) p_rng);
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|
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#if !defined(MBEDTLS_RSA_ALT)
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if (rsa->padding != MBEDTLS_RSA_PKCS_V15) {
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return MBEDTLS_ERR_RSA_INVALID_PADDING;
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}
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#endif
|
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if (mbedtls_rsa_get_len(rsa) > osize) {
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return MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE;
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}
|
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key_len = mbedtls_rsa_write_pubkey(rsa, buf, &p);
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if (key_len <= 0) {
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return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
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}
|
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|
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psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
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psa_set_key_algorithm(&attributes, PSA_ALG_RSA_PKCS1V15_CRYPT);
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psa_set_key_type(&attributes, PSA_KEY_TYPE_RSA_PUBLIC_KEY);
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|
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status = psa_import_key(&attributes,
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buf + sizeof(buf) - key_len, key_len,
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&key_id);
|
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if (status != PSA_SUCCESS) {
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ret = PSA_PK_TO_MBEDTLS_ERR(status);
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goto cleanup;
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}
|
|
|
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status = psa_asymmetric_encrypt(key_id, PSA_ALG_RSA_PKCS1V15_CRYPT,
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input, ilen,
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NULL, 0,
|
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output, osize, olen);
|
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if (status != PSA_SUCCESS) {
|
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ret = PSA_PK_RSA_TO_MBEDTLS_ERR(status);
|
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goto cleanup;
|
|
}
|
|
|
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ret = 0;
|
|
|
|
cleanup:
|
|
status = psa_destroy_key(key_id);
|
|
if (ret == 0 && status != PSA_SUCCESS) {
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
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}
|
|
|
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return ret;
|
|
}
|
|
#else /* MBEDTLS_USE_PSA_CRYPTO */
|
|
static int rsa_encrypt_wrap(mbedtls_pk_context *pk,
|
|
const unsigned char *input, size_t ilen,
|
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unsigned char *output, size_t *olen, size_t osize,
|
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int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
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mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
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*olen = mbedtls_rsa_get_len(rsa);
|
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|
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if (*olen > osize) {
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return MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE;
|
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}
|
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|
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return mbedtls_rsa_pkcs1_encrypt(rsa, f_rng, p_rng,
|
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ilen, input, output);
|
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}
|
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
|
|
static int rsa_check_pair_wrap(mbedtls_pk_context *pub, mbedtls_pk_context *prv,
|
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int (*f_rng)(void *, unsigned char *, size_t),
|
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void *p_rng)
|
|
{
|
|
(void) f_rng;
|
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(void) p_rng;
|
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return mbedtls_rsa_check_pub_priv((const mbedtls_rsa_context *) pub->pk_ctx,
|
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(const mbedtls_rsa_context *) prv->pk_ctx);
|
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}
|
|
|
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static void *rsa_alloc_wrap(void)
|
|
{
|
|
void *ctx = mbedtls_calloc(1, sizeof(mbedtls_rsa_context));
|
|
|
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if (ctx != NULL) {
|
|
mbedtls_rsa_init((mbedtls_rsa_context *) ctx);
|
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}
|
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|
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return ctx;
|
|
}
|
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|
|
static void rsa_free_wrap(void *ctx)
|
|
{
|
|
mbedtls_rsa_free((mbedtls_rsa_context *) ctx);
|
|
mbedtls_free(ctx);
|
|
}
|
|
|
|
static void rsa_debug(mbedtls_pk_context *pk, mbedtls_pk_debug_item *items)
|
|
{
|
|
#if defined(MBEDTLS_RSA_ALT)
|
|
/* Not supported */
|
|
(void) pk;
|
|
(void) items;
|
|
#else
|
|
mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
|
|
|
|
items->type = MBEDTLS_PK_DEBUG_MPI;
|
|
items->name = "rsa.N";
|
|
items->value = &(rsa->N);
|
|
|
|
items++;
|
|
|
|
items->type = MBEDTLS_PK_DEBUG_MPI;
|
|
items->name = "rsa.E";
|
|
items->value = &(rsa->E);
|
|
#endif
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_rsa_info = {
|
|
.type = MBEDTLS_PK_RSA,
|
|
.name = "RSA",
|
|
.get_bitlen = rsa_get_bitlen,
|
|
.can_do = rsa_can_do,
|
|
.verify_func = rsa_verify_wrap,
|
|
.sign_func = rsa_sign_wrap,
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = NULL,
|
|
.sign_rs_func = NULL,
|
|
.rs_alloc_func = NULL,
|
|
.rs_free_func = NULL,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = rsa_decrypt_wrap,
|
|
.encrypt_func = rsa_encrypt_wrap,
|
|
.check_pair_func = rsa_check_pair_wrap,
|
|
.ctx_alloc_func = rsa_alloc_wrap,
|
|
.ctx_free_func = rsa_free_wrap,
|
|
.debug_func = rsa_debug,
|
|
};
|
|
#endif /* MBEDTLS_RSA_C */
|
|
|
|
#if defined(MBEDTLS_PK_HAVE_ECC_KEYS)
|
|
/*
|
|
* Generic EC key
|
|
*/
|
|
static int eckey_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_ECKEY ||
|
|
type == MBEDTLS_PK_ECKEY_DH ||
|
|
type == MBEDTLS_PK_ECDSA;
|
|
}
|
|
|
|
static size_t eckey_get_bitlen(mbedtls_pk_context *pk)
|
|
{
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
return pk->ec_bits;
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
mbedtls_ecp_keypair *ecp = (mbedtls_ecp_keypair *) pk->pk_ctx;
|
|
return ecp->grp.pbits;
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
}
|
|
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY)
|
|
#if defined(MBEDTLS_USE_PSA_CRYPTO)
|
|
/* Common helper for ECDSA verify using PSA functions. */
|
|
static int ecdsa_verify_psa(unsigned char *key, size_t key_len,
|
|
psa_ecc_family_t curve, size_t curve_bits,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
|
|
psa_algorithm_t psa_sig_md = PSA_ALG_ECDSA_ANY;
|
|
size_t signature_len = PSA_ECDSA_SIGNATURE_SIZE(curve_bits);
|
|
size_t converted_sig_len;
|
|
unsigned char extracted_sig[PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE];
|
|
unsigned char *p;
|
|
psa_status_t status;
|
|
|
|
if (curve == 0) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
psa_set_key_type(&attributes, PSA_KEY_TYPE_ECC_PUBLIC_KEY(curve));
|
|
psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
|
|
psa_set_key_algorithm(&attributes, psa_sig_md);
|
|
|
|
status = psa_import_key(&attributes, key, key_len, &key_id);
|
|
if (status != PSA_SUCCESS) {
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (signature_len > sizeof(extracted_sig)) {
|
|
ret = MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
goto cleanup;
|
|
}
|
|
|
|
p = (unsigned char *) sig;
|
|
ret = mbedtls_ecdsa_der_to_raw(curve_bits, p, sig_len, extracted_sig,
|
|
sizeof(extracted_sig), &converted_sig_len);
|
|
if (ret != 0) {
|
|
goto cleanup;
|
|
}
|
|
|
|
if (converted_sig_len != signature_len) {
|
|
ret = MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
goto cleanup;
|
|
}
|
|
|
|
status = psa_verify_hash(key_id, psa_sig_md, hash, hash_len,
|
|
extracted_sig, signature_len);
|
|
if (status != PSA_SUCCESS) {
|
|
ret = PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
cleanup:
|
|
status = psa_destroy_key(key_id);
|
|
if (ret == 0 && status != PSA_SUCCESS) {
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ecdsa_opaque_verify_wrap(mbedtls_pk_context *pk,
|
|
mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len)
|
|
{
|
|
(void) md_alg;
|
|
unsigned char key[MBEDTLS_PK_MAX_EC_PUBKEY_RAW_LEN];
|
|
size_t key_len;
|
|
psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_ecc_family_t curve;
|
|
size_t curve_bits;
|
|
psa_status_t status;
|
|
|
|
status = psa_get_key_attributes(pk->priv_id, &key_attr);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
curve = PSA_KEY_TYPE_ECC_GET_FAMILY(psa_get_key_type(&key_attr));
|
|
curve_bits = psa_get_key_bits(&key_attr);
|
|
psa_reset_key_attributes(&key_attr);
|
|
|
|
status = psa_export_public_key(pk->priv_id, key, sizeof(key), &key_len);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
return ecdsa_verify_psa(key, key_len, curve, curve_bits,
|
|
hash, hash_len, sig, sig_len);
|
|
}
|
|
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
static int ecdsa_verify_wrap(mbedtls_pk_context *pk,
|
|
mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len)
|
|
{
|
|
(void) md_alg;
|
|
psa_ecc_family_t curve = pk->ec_family;
|
|
size_t curve_bits = pk->ec_bits;
|
|
|
|
return ecdsa_verify_psa(pk->pub_raw, pk->pub_raw_len, curve, curve_bits,
|
|
hash, hash_len, sig, sig_len);
|
|
}
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
static int ecdsa_verify_wrap(mbedtls_pk_context *pk,
|
|
mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len)
|
|
{
|
|
(void) md_alg;
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
mbedtls_ecp_keypair *ctx = pk->pk_ctx;
|
|
unsigned char key[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
|
|
size_t key_len;
|
|
size_t curve_bits;
|
|
psa_ecc_family_t curve = mbedtls_ecc_group_to_psa(ctx->grp.id, &curve_bits);
|
|
|
|
ret = mbedtls_ecp_point_write_binary(&ctx->grp, &ctx->Q,
|
|
MBEDTLS_ECP_PF_UNCOMPRESSED,
|
|
&key_len, key, sizeof(key));
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
return ecdsa_verify_psa(key, key_len, curve, curve_bits,
|
|
hash, hash_len, sig, sig_len);
|
|
}
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
#else /* MBEDTLS_USE_PSA_CRYPTO */
|
|
static int ecdsa_verify_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
((void) md_alg);
|
|
|
|
ret = mbedtls_ecdsa_read_signature((mbedtls_ecdsa_context *) pk->pk_ctx,
|
|
hash, hash_len, sig, sig_len);
|
|
|
|
if (ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) {
|
|
return MBEDTLS_ERR_PK_SIG_LEN_MISMATCH;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
|
|
#if defined(MBEDTLS_USE_PSA_CRYPTO)
|
|
/* Common helper for ECDSA sign using PSA functions.
|
|
* Instead of extracting key's properties in order to check which kind of ECDSA
|
|
* signature it supports, we try both deterministic and non-deterministic.
|
|
*/
|
|
static int ecdsa_sign_psa(mbedtls_svc_key_id_t key_id, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
psa_status_t status;
|
|
psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT;
|
|
size_t key_bits = 0;
|
|
|
|
status = psa_get_key_attributes(key_id, &key_attr);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
key_bits = psa_get_key_bits(&key_attr);
|
|
psa_reset_key_attributes(&key_attr);
|
|
|
|
status = psa_sign_hash(key_id,
|
|
PSA_ALG_DETERMINISTIC_ECDSA(mbedtls_md_psa_alg_from_type(md_alg)),
|
|
hash, hash_len, sig, sig_size, sig_len);
|
|
if (status == PSA_SUCCESS) {
|
|
goto done;
|
|
} else if (status != PSA_ERROR_NOT_PERMITTED) {
|
|
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
status = psa_sign_hash(key_id,
|
|
PSA_ALG_ECDSA(mbedtls_md_psa_alg_from_type(md_alg)),
|
|
hash, hash_len, sig, sig_size, sig_len);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_ECDSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
done:
|
|
ret = mbedtls_ecdsa_raw_to_der(key_bits, sig, *sig_len, sig, sig_size, sig_len);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ecdsa_opaque_sign_wrap(mbedtls_pk_context *pk,
|
|
mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size,
|
|
size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t),
|
|
void *p_rng)
|
|
{
|
|
((void) f_rng);
|
|
((void) p_rng);
|
|
|
|
return ecdsa_sign_psa(pk->priv_id, md_alg, hash, hash_len, sig, sig_size,
|
|
sig_len);
|
|
}
|
|
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
/* When PK_USE_PSA_EC_DATA is defined opaque and non-opaque keys end up
|
|
* using the same function. */
|
|
#define ecdsa_sign_wrap ecdsa_opaque_sign_wrap
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
static int ecdsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
|
|
psa_status_t status;
|
|
mbedtls_ecp_keypair *ctx = pk->pk_ctx;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
unsigned char buf[MBEDTLS_PSA_MAX_EC_KEY_PAIR_LENGTH];
|
|
size_t curve_bits;
|
|
psa_ecc_family_t curve =
|
|
mbedtls_ecc_group_to_psa(ctx->grp.id, &curve_bits);
|
|
size_t key_len = PSA_BITS_TO_BYTES(curve_bits);
|
|
psa_algorithm_t psa_hash = mbedtls_md_psa_alg_from_type(md_alg);
|
|
psa_algorithm_t psa_sig_md = MBEDTLS_PK_PSA_ALG_ECDSA_MAYBE_DET(psa_hash);
|
|
((void) f_rng);
|
|
((void) p_rng);
|
|
|
|
if (curve == 0) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
if (key_len > sizeof(buf)) {
|
|
return MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
}
|
|
ret = mbedtls_mpi_write_binary(&ctx->d, buf, key_len);
|
|
if (ret != 0) {
|
|
goto cleanup;
|
|
}
|
|
|
|
psa_set_key_type(&attributes, PSA_KEY_TYPE_ECC_KEY_PAIR(curve));
|
|
psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
|
|
psa_set_key_algorithm(&attributes, psa_sig_md);
|
|
|
|
status = psa_import_key(&attributes, buf, key_len, &key_id);
|
|
if (status != PSA_SUCCESS) {
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
goto cleanup;
|
|
}
|
|
|
|
ret = ecdsa_sign_psa(key_id, md_alg, hash, hash_len, sig, sig_size, sig_len);
|
|
|
|
cleanup:
|
|
mbedtls_platform_zeroize(buf, sizeof(buf));
|
|
status = psa_destroy_key(key_id);
|
|
if (ret == 0 && status != PSA_SUCCESS) {
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
#else /* MBEDTLS_USE_PSA_CRYPTO */
|
|
static int ecdsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
return mbedtls_ecdsa_write_signature((mbedtls_ecdsa_context *) pk->pk_ctx,
|
|
md_alg, hash, hash_len,
|
|
sig, sig_size, sig_len,
|
|
f_rng, p_rng);
|
|
}
|
|
#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_SIGN */
|
|
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
/* Forward declarations */
|
|
static int ecdsa_verify_rs_wrap(mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len,
|
|
void *rs_ctx);
|
|
|
|
static int ecdsa_sign_rs_wrap(mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
|
|
void *rs_ctx);
|
|
|
|
/*
|
|
* Restart context for ECDSA operations with ECKEY context
|
|
*
|
|
* We need to store an actual ECDSA context, as we need to pass the same to
|
|
* the underlying ecdsa function, so we can't create it on the fly every time.
|
|
*/
|
|
typedef struct {
|
|
mbedtls_ecdsa_restart_ctx ecdsa_rs;
|
|
mbedtls_ecdsa_context ecdsa_ctx;
|
|
} eckey_restart_ctx;
|
|
|
|
static void *eckey_rs_alloc(void)
|
|
{
|
|
eckey_restart_ctx *rs_ctx;
|
|
|
|
void *ctx = mbedtls_calloc(1, sizeof(eckey_restart_ctx));
|
|
|
|
if (ctx != NULL) {
|
|
rs_ctx = ctx;
|
|
mbedtls_ecdsa_restart_init(&rs_ctx->ecdsa_rs);
|
|
mbedtls_ecdsa_init(&rs_ctx->ecdsa_ctx);
|
|
}
|
|
|
|
return ctx;
|
|
}
|
|
|
|
static void eckey_rs_free(void *ctx)
|
|
{
|
|
eckey_restart_ctx *rs_ctx;
|
|
|
|
if (ctx == NULL) {
|
|
return;
|
|
}
|
|
|
|
rs_ctx = ctx;
|
|
mbedtls_ecdsa_restart_free(&rs_ctx->ecdsa_rs);
|
|
mbedtls_ecdsa_free(&rs_ctx->ecdsa_ctx);
|
|
|
|
mbedtls_free(ctx);
|
|
}
|
|
|
|
static int eckey_verify_rs_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len,
|
|
void *rs_ctx)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
eckey_restart_ctx *rs = rs_ctx;
|
|
|
|
/* Should never happen */
|
|
if (rs == NULL) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
/* set up our own sub-context if needed (that is, on first run) */
|
|
if (rs->ecdsa_ctx.grp.pbits == 0) {
|
|
MBEDTLS_MPI_CHK(mbedtls_ecdsa_from_keypair(&rs->ecdsa_ctx, pk->pk_ctx));
|
|
}
|
|
|
|
MBEDTLS_MPI_CHK(ecdsa_verify_rs_wrap(pk,
|
|
md_alg, hash, hash_len,
|
|
sig, sig_len, &rs->ecdsa_rs));
|
|
|
|
cleanup:
|
|
return ret;
|
|
}
|
|
|
|
static int eckey_sign_rs_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
|
|
void *rs_ctx)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
eckey_restart_ctx *rs = rs_ctx;
|
|
|
|
/* Should never happen */
|
|
if (rs == NULL) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
/* set up our own sub-context if needed (that is, on first run) */
|
|
if (rs->ecdsa_ctx.grp.pbits == 0) {
|
|
MBEDTLS_MPI_CHK(mbedtls_ecdsa_from_keypair(&rs->ecdsa_ctx, pk->pk_ctx));
|
|
}
|
|
|
|
MBEDTLS_MPI_CHK(ecdsa_sign_rs_wrap(pk, md_alg,
|
|
hash, hash_len, sig, sig_size, sig_len,
|
|
f_rng, p_rng, &rs->ecdsa_rs));
|
|
|
|
cleanup:
|
|
return ret;
|
|
}
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
|
|
#if defined(MBEDTLS_USE_PSA_CRYPTO)
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
static int eckey_check_pair_psa(mbedtls_pk_context *pub, mbedtls_pk_context *prv)
|
|
{
|
|
psa_status_t status;
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
uint8_t prv_key_buf[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
|
|
size_t prv_key_len;
|
|
mbedtls_svc_key_id_t key_id = prv->priv_id;
|
|
|
|
status = psa_export_public_key(key_id, prv_key_buf, sizeof(prv_key_buf),
|
|
&prv_key_len);
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (memcmp(prv_key_buf, pub->pub_raw, pub->pub_raw_len) != 0) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
static int eckey_check_pair_psa(mbedtls_pk_context *pub, mbedtls_pk_context *prv)
|
|
{
|
|
psa_status_t status;
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
uint8_t prv_key_buf[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
|
|
size_t prv_key_len;
|
|
psa_status_t destruction_status;
|
|
mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
|
|
psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT;
|
|
uint8_t pub_key_buf[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
|
|
size_t pub_key_len;
|
|
size_t curve_bits;
|
|
const psa_ecc_family_t curve =
|
|
mbedtls_ecc_group_to_psa(mbedtls_pk_ec_ro(*prv)->grp.id, &curve_bits);
|
|
const size_t curve_bytes = PSA_BITS_TO_BYTES(curve_bits);
|
|
|
|
if (curve == 0) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
psa_set_key_type(&key_attr, PSA_KEY_TYPE_ECC_KEY_PAIR(curve));
|
|
psa_set_key_usage_flags(&key_attr, PSA_KEY_USAGE_EXPORT);
|
|
|
|
ret = mbedtls_mpi_write_binary(&mbedtls_pk_ec_ro(*prv)->d,
|
|
prv_key_buf, curve_bytes);
|
|
if (ret != 0) {
|
|
mbedtls_platform_zeroize(prv_key_buf, sizeof(prv_key_buf));
|
|
return ret;
|
|
}
|
|
|
|
status = psa_import_key(&key_attr, prv_key_buf, curve_bytes, &key_id);
|
|
mbedtls_platform_zeroize(prv_key_buf, sizeof(prv_key_buf));
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
// From now on prv_key_buf is used to store the public key of prv.
|
|
status = psa_export_public_key(key_id, prv_key_buf, sizeof(prv_key_buf),
|
|
&prv_key_len);
|
|
ret = PSA_PK_TO_MBEDTLS_ERR(status);
|
|
destruction_status = psa_destroy_key(key_id);
|
|
if (ret != 0) {
|
|
return ret;
|
|
} else if (destruction_status != PSA_SUCCESS) {
|
|
return PSA_PK_TO_MBEDTLS_ERR(destruction_status);
|
|
}
|
|
|
|
ret = mbedtls_ecp_point_write_binary(&mbedtls_pk_ec_rw(*pub)->grp,
|
|
&mbedtls_pk_ec_rw(*pub)->Q,
|
|
MBEDTLS_ECP_PF_UNCOMPRESSED,
|
|
&pub_key_len, pub_key_buf,
|
|
sizeof(pub_key_buf));
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (memcmp(prv_key_buf, pub_key_buf, curve_bytes) != 0) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
|
|
static int eckey_check_pair_wrap(mbedtls_pk_context *pub, mbedtls_pk_context *prv,
|
|
int (*f_rng)(void *, unsigned char *, size_t),
|
|
void *p_rng)
|
|
{
|
|
(void) f_rng;
|
|
(void) p_rng;
|
|
return eckey_check_pair_psa(pub, prv);
|
|
}
|
|
#else /* MBEDTLS_USE_PSA_CRYPTO */
|
|
static int eckey_check_pair_wrap(mbedtls_pk_context *pub, mbedtls_pk_context *prv,
|
|
int (*f_rng)(void *, unsigned char *, size_t),
|
|
void *p_rng)
|
|
{
|
|
return mbedtls_ecp_check_pub_priv((const mbedtls_ecp_keypair *) pub->pk_ctx,
|
|
(const mbedtls_ecp_keypair *) prv->pk_ctx,
|
|
f_rng, p_rng);
|
|
}
|
|
#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
|
|
#if defined(MBEDTLS_USE_PSA_CRYPTO)
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
/* When PK_USE_PSA_EC_DATA is defined opaque and non-opaque keys end up
|
|
* using the same function. */
|
|
#define ecdsa_opaque_check_pair_wrap eckey_check_pair_wrap
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
static int ecdsa_opaque_check_pair_wrap(mbedtls_pk_context *pub,
|
|
mbedtls_pk_context *prv,
|
|
int (*f_rng)(void *, unsigned char *, size_t),
|
|
void *p_rng)
|
|
{
|
|
psa_status_t status;
|
|
uint8_t exp_pub_key[MBEDTLS_PK_MAX_EC_PUBKEY_RAW_LEN];
|
|
size_t exp_pub_key_len = 0;
|
|
uint8_t pub_key[MBEDTLS_PK_MAX_EC_PUBKEY_RAW_LEN];
|
|
size_t pub_key_len = 0;
|
|
int ret;
|
|
(void) f_rng;
|
|
(void) p_rng;
|
|
|
|
status = psa_export_public_key(prv->priv_id, exp_pub_key, sizeof(exp_pub_key),
|
|
&exp_pub_key_len);
|
|
if (status != PSA_SUCCESS) {
|
|
ret = psa_pk_status_to_mbedtls(status);
|
|
return ret;
|
|
}
|
|
ret = mbedtls_ecp_point_write_binary(&(mbedtls_pk_ec_ro(*pub)->grp),
|
|
&(mbedtls_pk_ec_ro(*pub)->Q),
|
|
MBEDTLS_ECP_PF_UNCOMPRESSED,
|
|
&pub_key_len, pub_key, sizeof(pub_key));
|
|
if (ret != 0) {
|
|
return ret;
|
|
}
|
|
if ((exp_pub_key_len != pub_key_len) ||
|
|
memcmp(exp_pub_key, pub_key, exp_pub_key_len)) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
|
|
#if !defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
static void *eckey_alloc_wrap(void)
|
|
{
|
|
void *ctx = mbedtls_calloc(1, sizeof(mbedtls_ecp_keypair));
|
|
|
|
if (ctx != NULL) {
|
|
mbedtls_ecp_keypair_init(ctx);
|
|
}
|
|
|
|
return ctx;
|
|
}
|
|
|
|
static void eckey_free_wrap(void *ctx)
|
|
{
|
|
mbedtls_ecp_keypair_free((mbedtls_ecp_keypair *) ctx);
|
|
mbedtls_free(ctx);
|
|
}
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
|
|
static void eckey_debug(mbedtls_pk_context *pk, mbedtls_pk_debug_item *items)
|
|
{
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
items->type = MBEDTLS_PK_DEBUG_PSA_EC;
|
|
items->name = "eckey.Q";
|
|
items->value = pk;
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
mbedtls_ecp_keypair *ecp = (mbedtls_ecp_keypair *) pk->pk_ctx;
|
|
items->type = MBEDTLS_PK_DEBUG_ECP;
|
|
items->name = "eckey.Q";
|
|
items->value = &(ecp->Q);
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_eckey_info = {
|
|
.type = MBEDTLS_PK_ECKEY,
|
|
.name = "EC",
|
|
.get_bitlen = eckey_get_bitlen,
|
|
.can_do = eckey_can_do,
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY)
|
|
.verify_func = ecdsa_verify_wrap, /* Compatible key structures */
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
.verify_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
|
|
.sign_func = ecdsa_sign_wrap, /* Compatible key structures */
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
.sign_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = eckey_verify_rs_wrap,
|
|
.sign_rs_func = eckey_sign_rs_wrap,
|
|
.rs_alloc_func = eckey_rs_alloc,
|
|
.rs_free_func = eckey_rs_free,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = NULL,
|
|
.encrypt_func = NULL,
|
|
.check_pair_func = eckey_check_pair_wrap,
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
.ctx_alloc_func = NULL,
|
|
.ctx_free_func = NULL,
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.ctx_alloc_func = eckey_alloc_wrap,
|
|
.ctx_free_func = eckey_free_wrap,
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.debug_func = eckey_debug,
|
|
};
|
|
|
|
/*
|
|
* EC key restricted to ECDH
|
|
*/
|
|
static int eckeydh_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_ECKEY ||
|
|
type == MBEDTLS_PK_ECKEY_DH;
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_eckeydh_info = {
|
|
.type = MBEDTLS_PK_ECKEY_DH,
|
|
.name = "EC_DH",
|
|
.get_bitlen = eckey_get_bitlen, /* Same underlying key structure */
|
|
.can_do = eckeydh_can_do,
|
|
.verify_func = NULL,
|
|
.sign_func = NULL,
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = NULL,
|
|
.sign_rs_func = NULL,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = NULL,
|
|
.encrypt_func = NULL,
|
|
.check_pair_func = eckey_check_pair_wrap,
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
.ctx_alloc_func = NULL,
|
|
.ctx_free_func = NULL,
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.ctx_alloc_func = eckey_alloc_wrap, /* Same underlying key structure */
|
|
.ctx_free_func = eckey_free_wrap, /* Same underlying key structure */
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.debug_func = eckey_debug, /* Same underlying key structure */
|
|
};
|
|
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_SOME)
|
|
static int ecdsa_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_ECDSA;
|
|
}
|
|
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
static int ecdsa_verify_rs_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
const unsigned char *sig, size_t sig_len,
|
|
void *rs_ctx)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
((void) md_alg);
|
|
|
|
ret = mbedtls_ecdsa_read_signature_restartable(
|
|
(mbedtls_ecdsa_context *) pk->pk_ctx,
|
|
hash, hash_len, sig, sig_len,
|
|
(mbedtls_ecdsa_restart_ctx *) rs_ctx);
|
|
|
|
if (ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) {
|
|
return MBEDTLS_ERR_PK_SIG_LEN_MISMATCH;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ecdsa_sign_rs_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
|
|
void *rs_ctx)
|
|
{
|
|
return mbedtls_ecdsa_write_signature_restartable(
|
|
(mbedtls_ecdsa_context *) pk->pk_ctx,
|
|
md_alg, hash, hash_len, sig, sig_size, sig_len, f_rng, p_rng,
|
|
(mbedtls_ecdsa_restart_ctx *) rs_ctx);
|
|
|
|
}
|
|
|
|
static void *ecdsa_rs_alloc(void)
|
|
{
|
|
void *ctx = mbedtls_calloc(1, sizeof(mbedtls_ecdsa_restart_ctx));
|
|
|
|
if (ctx != NULL) {
|
|
mbedtls_ecdsa_restart_init(ctx);
|
|
}
|
|
|
|
return ctx;
|
|
}
|
|
|
|
static void ecdsa_rs_free(void *ctx)
|
|
{
|
|
mbedtls_ecdsa_restart_free(ctx);
|
|
mbedtls_free(ctx);
|
|
}
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
|
|
const mbedtls_pk_info_t mbedtls_ecdsa_info = {
|
|
.type = MBEDTLS_PK_ECDSA,
|
|
.name = "ECDSA",
|
|
.get_bitlen = eckey_get_bitlen, /* Compatible key structures */
|
|
.can_do = ecdsa_can_do,
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY)
|
|
.verify_func = ecdsa_verify_wrap, /* Compatible key structures */
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
.verify_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
|
|
.sign_func = ecdsa_sign_wrap, /* Compatible key structures */
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_SIGN */
|
|
.sign_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_SIGN */
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = ecdsa_verify_rs_wrap,
|
|
.sign_rs_func = ecdsa_sign_rs_wrap,
|
|
.rs_alloc_func = ecdsa_rs_alloc,
|
|
.rs_free_func = ecdsa_rs_free,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = NULL,
|
|
.encrypt_func = NULL,
|
|
.check_pair_func = eckey_check_pair_wrap, /* Compatible key structures */
|
|
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
|
|
.ctx_alloc_func = NULL,
|
|
.ctx_free_func = NULL,
|
|
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.ctx_alloc_func = eckey_alloc_wrap, /* Compatible key structures */
|
|
.ctx_free_func = eckey_free_wrap, /* Compatible key structures */
|
|
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
|
|
.debug_func = eckey_debug, /* Compatible key structures */
|
|
};
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_SOME */
|
|
#endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
|
|
|
|
#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
|
|
/*
|
|
* Support for alternative RSA-private implementations
|
|
*/
|
|
|
|
static int rsa_alt_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_RSA;
|
|
}
|
|
|
|
static size_t rsa_alt_get_bitlen(mbedtls_pk_context *pk)
|
|
{
|
|
const mbedtls_rsa_alt_context *rsa_alt = pk->pk_ctx;
|
|
|
|
return 8 * rsa_alt->key_len_func(rsa_alt->key);
|
|
}
|
|
|
|
static int rsa_alt_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
mbedtls_rsa_alt_context *rsa_alt = pk->pk_ctx;
|
|
|
|
#if SIZE_MAX > UINT_MAX
|
|
if (UINT_MAX < hash_len) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
#endif
|
|
|
|
*sig_len = rsa_alt->key_len_func(rsa_alt->key);
|
|
if (*sig_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE) {
|
|
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
|
|
}
|
|
if (*sig_len > sig_size) {
|
|
return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
return rsa_alt->sign_func(rsa_alt->key, f_rng, p_rng,
|
|
md_alg, (unsigned int) hash_len, hash, sig);
|
|
}
|
|
|
|
static int rsa_alt_decrypt_wrap(mbedtls_pk_context *pk,
|
|
const unsigned char *input, size_t ilen,
|
|
unsigned char *output, size_t *olen, size_t osize,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
mbedtls_rsa_alt_context *rsa_alt = pk->pk_ctx;
|
|
|
|
((void) f_rng);
|
|
((void) p_rng);
|
|
|
|
if (ilen != rsa_alt->key_len_func(rsa_alt->key)) {
|
|
return MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
|
|
}
|
|
|
|
return rsa_alt->decrypt_func(rsa_alt->key,
|
|
olen, input, output, osize);
|
|
}
|
|
|
|
#if defined(MBEDTLS_RSA_C)
|
|
static int rsa_alt_check_pair(mbedtls_pk_context *pub, mbedtls_pk_context *prv,
|
|
int (*f_rng)(void *, unsigned char *, size_t),
|
|
void *p_rng)
|
|
{
|
|
unsigned char sig[MBEDTLS_MPI_MAX_SIZE];
|
|
unsigned char hash[32];
|
|
size_t sig_len = 0;
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
|
|
if (rsa_alt_get_bitlen(prv) != rsa_get_bitlen(pub)) {
|
|
return MBEDTLS_ERR_RSA_KEY_CHECK_FAILED;
|
|
}
|
|
|
|
memset(hash, 0x2a, sizeof(hash));
|
|
|
|
if ((ret = rsa_alt_sign_wrap(prv, MBEDTLS_MD_NONE,
|
|
hash, sizeof(hash),
|
|
sig, sizeof(sig), &sig_len,
|
|
f_rng, p_rng)) != 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (rsa_verify_wrap(pub, MBEDTLS_MD_NONE,
|
|
hash, sizeof(hash), sig, sig_len) != 0) {
|
|
return MBEDTLS_ERR_RSA_KEY_CHECK_FAILED;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif /* MBEDTLS_RSA_C */
|
|
|
|
static void *rsa_alt_alloc_wrap(void)
|
|
{
|
|
void *ctx = mbedtls_calloc(1, sizeof(mbedtls_rsa_alt_context));
|
|
|
|
if (ctx != NULL) {
|
|
memset(ctx, 0, sizeof(mbedtls_rsa_alt_context));
|
|
}
|
|
|
|
return ctx;
|
|
}
|
|
|
|
static void rsa_alt_free_wrap(void *ctx)
|
|
{
|
|
mbedtls_zeroize_and_free(ctx, sizeof(mbedtls_rsa_alt_context));
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_rsa_alt_info = {
|
|
.type = MBEDTLS_PK_RSA_ALT,
|
|
.name = "RSA-alt",
|
|
.get_bitlen = rsa_alt_get_bitlen,
|
|
.can_do = rsa_alt_can_do,
|
|
.verify_func = NULL,
|
|
.sign_func = rsa_alt_sign_wrap,
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = NULL,
|
|
.sign_rs_func = NULL,
|
|
.rs_alloc_func = NULL,
|
|
.rs_free_func = NULL,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = rsa_alt_decrypt_wrap,
|
|
.encrypt_func = NULL,
|
|
#if defined(MBEDTLS_RSA_C)
|
|
.check_pair_func = rsa_alt_check_pair,
|
|
#else
|
|
.check_pair_func = NULL,
|
|
#endif
|
|
.ctx_alloc_func = rsa_alt_alloc_wrap,
|
|
.ctx_free_func = rsa_alt_free_wrap,
|
|
.debug_func = NULL,
|
|
};
|
|
#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
|
|
|
|
#if defined(MBEDTLS_USE_PSA_CRYPTO)
|
|
static size_t opaque_get_bitlen(mbedtls_pk_context *pk)
|
|
{
|
|
size_t bits;
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
|
|
if (PSA_SUCCESS != psa_get_key_attributes(pk->priv_id, &attributes)) {
|
|
return 0;
|
|
}
|
|
|
|
bits = psa_get_key_bits(&attributes);
|
|
psa_reset_key_attributes(&attributes);
|
|
return bits;
|
|
}
|
|
|
|
#if defined(MBEDTLS_PK_HAVE_ECC_KEYS)
|
|
static int ecdsa_opaque_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_ECKEY ||
|
|
type == MBEDTLS_PK_ECDSA;
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_ecdsa_opaque_info = {
|
|
.type = MBEDTLS_PK_OPAQUE,
|
|
.name = "Opaque",
|
|
.get_bitlen = opaque_get_bitlen,
|
|
.can_do = ecdsa_opaque_can_do,
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY)
|
|
.verify_func = ecdsa_opaque_verify_wrap,
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
.verify_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_VERIFY */
|
|
#if defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
|
|
.sign_func = ecdsa_opaque_sign_wrap,
|
|
#else /* MBEDTLS_PK_CAN_ECDSA_SIGN */
|
|
.sign_func = NULL,
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_SIGN */
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = NULL,
|
|
.sign_rs_func = NULL,
|
|
.rs_alloc_func = NULL,
|
|
.rs_free_func = NULL,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
.decrypt_func = NULL,
|
|
.encrypt_func = NULL,
|
|
.check_pair_func = ecdsa_opaque_check_pair_wrap,
|
|
.ctx_alloc_func = NULL,
|
|
.ctx_free_func = NULL,
|
|
.debug_func = NULL,
|
|
};
|
|
#endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
|
|
|
|
static int rsa_opaque_can_do(mbedtls_pk_type_t type)
|
|
{
|
|
return type == MBEDTLS_PK_RSA ||
|
|
type == MBEDTLS_PK_RSASSA_PSS;
|
|
}
|
|
|
|
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC)
|
|
static int rsa_opaque_decrypt(mbedtls_pk_context *pk,
|
|
const unsigned char *input, size_t ilen,
|
|
unsigned char *output, size_t *olen, size_t osize,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
psa_status_t status;
|
|
|
|
/* PSA has its own RNG */
|
|
(void) f_rng;
|
|
(void) p_rng;
|
|
|
|
status = psa_asymmetric_decrypt(pk->priv_id, PSA_ALG_RSA_PKCS1V15_CRYPT,
|
|
input, ilen,
|
|
NULL, 0,
|
|
output, osize, olen);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_RSA_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC */
|
|
|
|
static int rsa_opaque_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
|
|
const unsigned char *hash, size_t hash_len,
|
|
unsigned char *sig, size_t sig_size, size_t *sig_len,
|
|
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng)
|
|
{
|
|
#if defined(MBEDTLS_RSA_C)
|
|
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
|
|
psa_algorithm_t alg;
|
|
psa_key_type_t type;
|
|
psa_status_t status;
|
|
|
|
/* PSA has its own RNG */
|
|
(void) f_rng;
|
|
(void) p_rng;
|
|
|
|
status = psa_get_key_attributes(pk->priv_id, &attributes);
|
|
if (status != PSA_SUCCESS) {
|
|
return PSA_PK_TO_MBEDTLS_ERR(status);
|
|
}
|
|
|
|
type = psa_get_key_type(&attributes);
|
|
psa_reset_key_attributes(&attributes);
|
|
|
|
if (PSA_KEY_TYPE_IS_RSA(type)) {
|
|
alg = PSA_ALG_RSA_PKCS1V15_SIGN(mbedtls_md_psa_alg_from_type(md_alg));
|
|
} else {
|
|
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
|
|
}
|
|
|
|
/* make the signature */
|
|
status = psa_sign_hash(pk->priv_id, alg, hash, hash_len,
|
|
sig, sig_size, sig_len);
|
|
if (status != PSA_SUCCESS) {
|
|
if (PSA_KEY_TYPE_IS_RSA(type)) {
|
|
return PSA_PK_RSA_TO_MBEDTLS_ERR(status);
|
|
} else {
|
|
return PSA_PK_TO_MBEDTLS_ERR(status);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
#else /* !MBEDTLS_RSA_C */
|
|
((void) pk);
|
|
((void) md_alg);
|
|
((void) hash);
|
|
((void) hash_len);
|
|
((void) sig);
|
|
((void) sig_size);
|
|
((void) sig_len);
|
|
((void) f_rng);
|
|
((void) p_rng);
|
|
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
|
|
#endif /* !MBEDTLS_RSA_C */
|
|
}
|
|
|
|
const mbedtls_pk_info_t mbedtls_rsa_opaque_info = {
|
|
.type = MBEDTLS_PK_OPAQUE,
|
|
.name = "Opaque",
|
|
.get_bitlen = opaque_get_bitlen,
|
|
.can_do = rsa_opaque_can_do,
|
|
.verify_func = NULL,
|
|
.sign_func = rsa_opaque_sign_wrap,
|
|
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
|
|
.verify_rs_func = NULL,
|
|
.sign_rs_func = NULL,
|
|
.rs_alloc_func = NULL,
|
|
.rs_free_func = NULL,
|
|
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
|
|
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC)
|
|
.decrypt_func = rsa_opaque_decrypt,
|
|
#else /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC */
|
|
.decrypt_func = NULL,
|
|
#endif /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC */
|
|
.encrypt_func = NULL,
|
|
.check_pair_func = NULL,
|
|
.ctx_alloc_func = NULL,
|
|
.ctx_free_func = NULL,
|
|
.debug_func = NULL,
|
|
};
|
|
|
|
#endif /* MBEDTLS_USE_PSA_CRYPTO */
|
|
|
|
#endif /* MBEDTLS_PK_C */
|