diff options
Diffstat (limited to 'src/crypto/hkdf/hkdf.c')
| -rw-r--r-- | src/crypto/hkdf/hkdf.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/crypto/hkdf/hkdf.c b/src/crypto/hkdf/hkdf.c index ae43b69f..23b60afe 100644 --- a/src/crypto/hkdf/hkdf.c +++ b/src/crypto/hkdf/hkdf.c @@ -26,7 +26,7 @@ int HKDF(uint8_t *out_key, size_t out_len, const EVP_MD *digest, const uint8_t *secret, size_t secret_len, const uint8_t *salt, size_t salt_len, const uint8_t *info, size_t info_len) { - /* https://tools.ietf.org/html/rfc5869#section-2 */ + // https://tools.ietf.org/html/rfc5869#section-2 uint8_t prk[EVP_MAX_MD_SIZE]; size_t prk_len; @@ -42,10 +42,10 @@ int HKDF(uint8_t *out_key, size_t out_len, const EVP_MD *digest, int HKDF_extract(uint8_t *out_key, size_t *out_len, const EVP_MD *digest, const uint8_t *secret, size_t secret_len, const uint8_t *salt, size_t salt_len) { - /* https://tools.ietf.org/html/rfc5869#section-2.2 */ + // https://tools.ietf.org/html/rfc5869#section-2.2 - /* If salt is not given, HashLength zeros are used. However, HMAC does that - * internally already so we can ignore it.*/ + // If salt is not given, HashLength zeros are used. However, HMAC does that + // internally already so we can ignore it. unsigned len; if (HMAC(digest, salt, salt_len, secret, secret_len, out_key, &len) == NULL) { OPENSSL_PUT_ERROR(HKDF, ERR_R_HMAC_LIB); @@ -59,7 +59,7 @@ int HKDF_extract(uint8_t *out_key, size_t *out_len, const EVP_MD *digest, int HKDF_expand(uint8_t *out_key, size_t out_len, const EVP_MD *digest, const uint8_t *prk, size_t prk_len, const uint8_t *info, size_t info_len) { - /* https://tools.ietf.org/html/rfc5869#section-2.3 */ + // https://tools.ietf.org/html/rfc5869#section-2.3 const size_t digest_len = EVP_MD_size(digest); uint8_t previous[EVP_MAX_MD_SIZE]; size_t n, done = 0; @@ -67,7 +67,7 @@ int HKDF_expand(uint8_t *out_key, size_t out_len, const EVP_MD *digest, int ret = 0; HMAC_CTX hmac; - /* Expand key material to desired length. */ + // Expand key material to desired length. n = (out_len + digest_len - 1) / digest_len; if (out_len + digest_len < out_len || n > 255) { OPENSSL_PUT_ERROR(HKDF, HKDF_R_OUTPUT_TOO_LARGE); |