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Implement mbedtls_ct_hmac() using PSA hash API

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Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong
2022-02-25 15:09:36 +01:00
parent cf8841a076
commit 2968d306e4
3 changed files with 187 additions and 0 deletions
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12
library/constant_time_internal.h
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@@ -276,6 +276,17 @@ void mbedtls_ct_memcpy_offset( unsigned char *dest,
* \retval #MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED
* The hardware accelerator failed.
*/
#if defined(MBEDTLS_USE_PSA_CRYPTO)
int mbedtls_ct_hmac( mbedtls_svc_key_id_t key,
psa_algorithm_t alg,
const unsigned char *add_data,
size_t add_data_len,
const unsigned char *data,
size_t data_len_secret,
size_t min_data_len,
size_t max_data_len,
unsigned char *output );
#else
int mbedtls_ct_hmac( mbedtls_md_context_t *ctx,
const unsigned char *add_data,
size_t add_data_len,
@@ -284,6 +295,7 @@ int mbedtls_ct_hmac( mbedtls_md_context_t *ctx,
size_t min_data_len,
size_t max_data_len,
unsigned char *output );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#endif /* MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC */