diff options
Diffstat (limited to 'lib/mbedtls/sha256.c')
| -rw-r--r-- | lib/mbedtls/sha256.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/mbedtls/sha256.c b/lib/mbedtls/sha256.c index 2128e598834..7d456a82017 100644 --- a/lib/mbedtls/sha256.c +++ b/lib/mbedtls/sha256.c @@ -10,6 +10,8 @@ #endif /* USE_HOSTCC */ #include <u-boot/sha256.h> +#include <mbedtls/md.h> + const u8 sha256_der_prefix[SHA256_DER_LEN] = { 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, @@ -33,3 +35,16 @@ void sha256_finish(sha256_context *ctx, uint8_t digest[SHA256_SUM_LEN]) mbedtls_sha256_finish(ctx, digest); mbedtls_sha256_free(ctx); } + +int sha256_hmac(const unsigned char *key, int keylen, + const unsigned char *input, unsigned int ilen, + unsigned char *output) +{ + const mbedtls_md_info_t *md; + + md = mbedtls_md_info_from_type(MBEDTLS_MD_SHA256); + if (!md) + return MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE; + + return mbedtls_md_hmac(md, key, keylen, input, ilen, output); +} |