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mbedtls/library/psa_util.c
Joakim Andersson b349108b99 library: Move mbedtls_ecc helper functions to psa_util 
Move the mbedtls_ecc helper functions from psa_core to psa_util.
These files are not implemented as part of the PSA API and should not
be part of the PSA crypto implementation.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
2023-12-14 13:55:11 +01:00

333 lines
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/*
* PSA hashing layer on top of Mbed TLS software crypto
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include "common.h"
#if defined(MBEDTLS_PSA_CRYPTO_C)
#include <psa/crypto.h>
#include "psa_util_internal.h"
/* The following includes are needed for MBEDTLS_ERR_XXX macros */
#include <mbedtls/error.h>
#if defined(MBEDTLS_MD_LIGHT)
#include <mbedtls/md.h>
#endif
#if defined(MBEDTLS_LMS_C)
#include <mbedtls/lms.h>
#endif
#if defined(MBEDTLS_SSL_TLS_C) && \
(defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3))
#include <mbedtls/ssl.h>
#endif
#if defined(PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY) || \
defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC)
#include <mbedtls/rsa.h>
#endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
#include <mbedtls/ecp.h>
#endif
#if defined(MBEDTLS_PK_C)
#include <mbedtls/pk.h>
#endif
/* PSA_SUCCESS is kept at the top of each error table since
* it's the most common status when everything functions properly. */
#if defined(MBEDTLS_MD_LIGHT)
const mbedtls_error_pair_t psa_to_md_errors[] =
{
{ PSA_SUCCESS, 0 },
{ PSA_ERROR_NOT_SUPPORTED, MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE },
{ PSA_ERROR_INVALID_ARGUMENT, MBEDTLS_ERR_MD_BAD_INPUT_DATA },
{ PSA_ERROR_INSUFFICIENT_MEMORY, MBEDTLS_ERR_MD_ALLOC_FAILED }
};
#endif
#if defined(MBEDTLS_LMS_C)
const mbedtls_error_pair_t psa_to_lms_errors[] =
{
{ PSA_SUCCESS, 0 },
{ PSA_ERROR_BUFFER_TOO_SMALL, MBEDTLS_ERR_LMS_BUFFER_TOO_SMALL },
{ PSA_ERROR_INVALID_ARGUMENT, MBEDTLS_ERR_LMS_BAD_INPUT_DATA }
};
#endif
#if defined(MBEDTLS_SSL_TLS_C) && \
(defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3))
const mbedtls_error_pair_t psa_to_ssl_errors[] =
{
{ PSA_SUCCESS, 0 },
{ PSA_ERROR_INSUFFICIENT_MEMORY, MBEDTLS_ERR_SSL_ALLOC_FAILED },
{ PSA_ERROR_NOT_SUPPORTED, MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE },
{ PSA_ERROR_INVALID_SIGNATURE, MBEDTLS_ERR_SSL_INVALID_MAC },
{ PSA_ERROR_INVALID_ARGUMENT, MBEDTLS_ERR_SSL_BAD_INPUT_DATA },
{ PSA_ERROR_BAD_STATE, MBEDTLS_ERR_SSL_INTERNAL_ERROR },
{ PSA_ERROR_BUFFER_TOO_SMALL, MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL }
};
#endif
#if defined(PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY) || \
defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC)
const mbedtls_error_pair_t psa_to_pk_rsa_errors[] =
{
{ PSA_SUCCESS, 0 },
{ PSA_ERROR_NOT_PERMITTED, MBEDTLS_ERR_RSA_BAD_INPUT_DATA },
{ PSA_ERROR_INVALID_ARGUMENT, MBEDTLS_ERR_RSA_BAD_INPUT_DATA },
{ PSA_ERROR_INVALID_HANDLE, MBEDTLS_ERR_RSA_BAD_INPUT_DATA },
{ PSA_ERROR_BUFFER_TOO_SMALL, MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE },
{ PSA_ERROR_INSUFFICIENT_ENTROPY, MBEDTLS_ERR_RSA_RNG_FAILED },
{ PSA_ERROR_INVALID_SIGNATURE, MBEDTLS_ERR_RSA_VERIFY_FAILED },
{ PSA_ERROR_INVALID_PADDING, MBEDTLS_ERR_RSA_INVALID_PADDING }
};
#endif
#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
const mbedtls_error_pair_t psa_to_pk_ecdsa_errors[] =
{
{ PSA_SUCCESS, 0 },
{ PSA_ERROR_NOT_PERMITTED, MBEDTLS_ERR_ECP_BAD_INPUT_DATA },
{ PSA_ERROR_INVALID_ARGUMENT, MBEDTLS_ERR_ECP_BAD_INPUT_DATA },
{ PSA_ERROR_INVALID_HANDLE, MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE },
{ PSA_ERROR_BUFFER_TOO_SMALL, MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL },
{ PSA_ERROR_INSUFFICIENT_ENTROPY, MBEDTLS_ERR_ECP_RANDOM_FAILED },
{ PSA_ERROR_INVALID_SIGNATURE, MBEDTLS_ERR_ECP_VERIFY_FAILED }
};
#endif
int psa_generic_status_to_mbedtls(psa_status_t status)
{
switch (status) {
case PSA_SUCCESS:
return 0;
case PSA_ERROR_NOT_SUPPORTED:
return MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED;
case PSA_ERROR_CORRUPTION_DETECTED:
return MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
case PSA_ERROR_COMMUNICATION_FAILURE:
case PSA_ERROR_HARDWARE_FAILURE:
return MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED;
case PSA_ERROR_NOT_PERMITTED:
default:
return MBEDTLS_ERR_ERROR_GENERIC_ERROR;
}
}
int psa_status_to_mbedtls(psa_status_t status,
const mbedtls_error_pair_t *local_translations,
size_t local_errors_num,
int (*fallback_f)(psa_status_t))
{
for (size_t i = 0; i < local_errors_num; i++) {
if (status == local_translations[i].psa_status) {
return local_translations[i].mbedtls_error;
}
}
return fallback_f(status);
}
#if defined(MBEDTLS_PK_C)
int psa_pk_status_to_mbedtls(psa_status_t status)
{
switch (status) {
case PSA_ERROR_INVALID_HANDLE:
return MBEDTLS_ERR_PK_KEY_INVALID_FORMAT;
case PSA_ERROR_BUFFER_TOO_SMALL:
return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
case PSA_ERROR_NOT_SUPPORTED:
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
case PSA_ERROR_INVALID_ARGUMENT:
return MBEDTLS_ERR_PK_INVALID_ALG;
case PSA_ERROR_INSUFFICIENT_MEMORY:
return MBEDTLS_ERR_PK_ALLOC_FAILED;
case PSA_ERROR_BAD_STATE:
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
case PSA_ERROR_DATA_CORRUPT:
case PSA_ERROR_DATA_INVALID:
case PSA_ERROR_STORAGE_FAILURE:
return MBEDTLS_ERR_PK_FILE_IO_ERROR;
default:
return psa_generic_status_to_mbedtls(status);
}
}
#endif /* MBEDTLS_PK_C */
/****************************************************************/
/* Key management */
/****************************************************************/
#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
psa_ecc_family_t mbedtls_ecc_group_to_psa(mbedtls_ecp_group_id grpid,
size_t *bits)
{
switch (grpid) {
#if defined(MBEDTLS_ECP_HAVE_SECP192R1)
case MBEDTLS_ECP_DP_SECP192R1:
*bits = 192;
return PSA_ECC_FAMILY_SECP_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP224R1)
case MBEDTLS_ECP_DP_SECP224R1:
*bits = 224;
return PSA_ECC_FAMILY_SECP_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP256R1)
case MBEDTLS_ECP_DP_SECP256R1:
*bits = 256;
return PSA_ECC_FAMILY_SECP_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP384R1)
case MBEDTLS_ECP_DP_SECP384R1:
*bits = 384;
return PSA_ECC_FAMILY_SECP_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP521R1)
case MBEDTLS_ECP_DP_SECP521R1:
*bits = 521;
return PSA_ECC_FAMILY_SECP_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_BP256R1)
case MBEDTLS_ECP_DP_BP256R1:
*bits = 256;
return PSA_ECC_FAMILY_BRAINPOOL_P_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_BP384R1)
case MBEDTLS_ECP_DP_BP384R1:
*bits = 384;
return PSA_ECC_FAMILY_BRAINPOOL_P_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_BP512R1)
case MBEDTLS_ECP_DP_BP512R1:
*bits = 512;
return PSA_ECC_FAMILY_BRAINPOOL_P_R1;
#endif
#if defined(MBEDTLS_ECP_HAVE_CURVE25519)
case MBEDTLS_ECP_DP_CURVE25519:
*bits = 255;
return PSA_ECC_FAMILY_MONTGOMERY;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP192K1)
case MBEDTLS_ECP_DP_SECP192K1:
*bits = 192;
return PSA_ECC_FAMILY_SECP_K1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP224K1)
case MBEDTLS_ECP_DP_SECP224K1:
*bits = 224;
return PSA_ECC_FAMILY_SECP_K1;
#endif
#if defined(MBEDTLS_ECP_HAVE_SECP256K1)
case MBEDTLS_ECP_DP_SECP256K1:
*bits = 256;
return PSA_ECC_FAMILY_SECP_K1;
#endif
#if defined(MBEDTLS_ECP_HAVE_CURVE448)
case MBEDTLS_ECP_DP_CURVE448:
*bits = 448;
return PSA_ECC_FAMILY_MONTGOMERY;
#endif
default:
*bits = 0;
return 0;
}
}
mbedtls_ecp_group_id mbedtls_ecc_group_of_psa(psa_ecc_family_t curve,
size_t bits,
int bits_is_sloppy)
{
switch (curve) {
case PSA_ECC_FAMILY_SECP_R1:
switch (bits) {
#if defined(PSA_WANT_ECC_SECP_R1_192)
case 192:
return MBEDTLS_ECP_DP_SECP192R1;
#endif
#if defined(PSA_WANT_ECC_SECP_R1_224)
case 224:
return MBEDTLS_ECP_DP_SECP224R1;
#endif
#if defined(PSA_WANT_ECC_SECP_R1_256)
case 256:
return MBEDTLS_ECP_DP_SECP256R1;
#endif
#if defined(PSA_WANT_ECC_SECP_R1_384)
case 384:
return MBEDTLS_ECP_DP_SECP384R1;
#endif
#if defined(PSA_WANT_ECC_SECP_R1_521)
case 521:
return MBEDTLS_ECP_DP_SECP521R1;
case 528:
if (bits_is_sloppy) {
return MBEDTLS_ECP_DP_SECP521R1;
}
break;
#endif
}
break;
case PSA_ECC_FAMILY_BRAINPOOL_P_R1:
switch (bits) {
#if defined(PSA_WANT_ECC_BRAINPOOL_P_R1_256)
case 256:
return MBEDTLS_ECP_DP_BP256R1;
#endif
#if defined(PSA_WANT_ECC_BRAINPOOL_P_R1_384)
case 384:
return MBEDTLS_ECP_DP_BP384R1;
#endif
#if defined(PSA_WANT_ECC_BRAINPOOL_P_R1_512)
case 512:
return MBEDTLS_ECP_DP_BP512R1;
#endif
}
break;
case PSA_ECC_FAMILY_MONTGOMERY:
switch (bits) {
#if defined(PSA_WANT_ECC_MONTGOMERY_255)
case 255:
return MBEDTLS_ECP_DP_CURVE25519;
case 256:
if (bits_is_sloppy) {
return MBEDTLS_ECP_DP_CURVE25519;
}
break;
#endif
#if defined(PSA_WANT_ECC_MONTGOMERY_448)
case 448:
return MBEDTLS_ECP_DP_CURVE448;
#endif
}
break;
case PSA_ECC_FAMILY_SECP_K1:
switch (bits) {
#if defined(PSA_WANT_ECC_SECP_K1_192)
case 192:
return MBEDTLS_ECP_DP_SECP192K1;
#endif
#if defined(PSA_WANT_ECC_SECP_K1_224)
case 224:
return MBEDTLS_ECP_DP_SECP224K1;
#endif
#if defined(PSA_WANT_ECC_SECP_K1_256)
case 256:
return MBEDTLS_ECP_DP_SECP256K1;
#endif
}
break;
}
(void) bits_is_sloppy;
return MBEDTLS_ECP_DP_NONE;
}
#endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
#endif /* MBEDTLS_PSA_CRYPTO_C */
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