91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/* BEGIN_HEADER */
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#include "mbedtls/pk.h"
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#include "mbedtls/pem.h"
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#include "mbedtls/oid.h"
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typedef enum {
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TEST_PEM,
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TEST_DER
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} pkwrite_file_format_t;
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static void pk_write_check_common(char *key_file, int is_public_key, int is_der)
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{
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mbedtls_pk_context key;
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unsigned char *buf = NULL;
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unsigned char *check_buf = NULL;
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unsigned char *start_buf;
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size_t buf_len, check_buf_len;
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int ret;
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/* Note: if mbedtls_pk_load_file() successfully reads the file, then
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it also allocates check_buf, which should be freed on exit */
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TEST_EQUAL(mbedtls_pk_load_file(key_file, &check_buf, &check_buf_len), 0);
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TEST_ASSERT(check_buf_len > 0);
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ASSERT_ALLOC(buf, check_buf_len);
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mbedtls_pk_init(&key);
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if (is_public_key) {
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TEST_EQUAL(mbedtls_pk_parse_public_keyfile(&key, key_file), 0);
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if (is_der) {
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ret = mbedtls_pk_write_pubkey_der(&key, buf, check_buf_len);
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} else {
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#if defined(MBEDTLS_PEM_WRITE_C)
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ret = mbedtls_pk_write_pubkey_pem(&key, buf, check_buf_len);
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#else
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ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
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#endif
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}
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} else {
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TEST_EQUAL(mbedtls_pk_parse_keyfile(&key, key_file, NULL,
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mbedtls_test_rnd_std_rand, NULL), 0);
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if (is_der) {
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ret = mbedtls_pk_write_key_der(&key, buf, check_buf_len);
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} else {
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#if defined(MBEDTLS_PEM_WRITE_C)
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ret = mbedtls_pk_write_key_pem(&key, buf, check_buf_len);
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#else
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ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
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#endif
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}
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}
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if (is_der) {
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TEST_LE_U(1, ret);
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buf_len = ret;
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start_buf = buf + check_buf_len - buf_len;
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} else {
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TEST_EQUAL(ret, 0);
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buf_len = strlen((char *) buf) + 1; /* +1 takes the string terminator into account */
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start_buf = buf;
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}
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ASSERT_COMPARE(start_buf, buf_len, check_buf, check_buf_len);
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exit:
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mbedtls_free(buf);
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mbedtls_free(check_buf);
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mbedtls_pk_free(&key);
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}
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_BIGNUM_C:MBEDTLS_FS_IO
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void pk_write_pubkey_check(char *key_file, int is_der)
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{
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pk_write_check_common(key_file, 1, is_der);
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goto exit; /* make the compiler happy */
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void pk_write_key_check(char *key_file, int is_der)
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{
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pk_write_check_common(key_file, 0, is_der);
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goto exit; /* make the compiler happy */
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}
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/* END_CASE */
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