diff options
Diffstat (limited to 'src/crypto/impl/openssl.c')
| -rw-r--r-- | src/crypto/impl/openssl.c | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/src/crypto/impl/openssl.c b/src/crypto/impl/openssl.c index fd3b4e6..132c643 100644 --- a/src/crypto/impl/openssl.c +++ b/src/crypto/impl/openssl.c @@ -150,6 +150,8 @@ EVP_MD_CTX* ctx; cstatus_t result; struct nc_hkdf_fn_cb_struct handler; + + result = CSTATUS_FAIL; /* * NOTE! Hmac reusable flag must be set to allow for multiple @@ -161,15 +163,23 @@ return CSTATUS_FAIL; } - _OSSL_FAIL(EVP_DigestInit_ex2(ctx, EVP_sha256(), NULL)) + if (!EVP_DigestInit_ex2(ctx, EVP_sha256(), NULL)) + { + goto Cleanup; + } - _OSSL_FAIL(EVP_DigestUpdate(ctx, prk->data, prk->size)); + if (!EVP_DigestUpdate(ctx, prk->data, prk->size)) + { + goto Cleanup; + } handler.update = _ossl_hkdf_update; handler.finish = _ossl_hkdf_finish; result = hkdfExpandProcess(&handler, ctx, info, okm); + Cleanup: + EVP_MD_CTX_destroy(ctx); return result; @@ -177,4 +187,47 @@ #endif /* !_IMPL_CRYPTO_SHA256_HKDF_EXPAND */ +#ifndef _IMPL_CHACHA20_CRYPT + + #define _IMPL_CHACHA20_CRYPT _ossl_chacha20_crypt + + _IMPLSTB cstatus_t _ossl_chacha20_crypt( + const uint8_t* key, + const uint8_t* nonce, + const uint8_t* input, + uint8_t* output, + uint32_t dataLen + ) + { + cstatus_t result; + EVP_CIPHER_CTX* ctx; + + result = CSTATUS_FAIL; + + if ((ctx = EVP_CIPHER_CTX_new()) == NULL) + { + return CSTATUS_FAIL; + } + + if (!EVP_EncryptInit_ex(ctx, EVP_chacha20(), NULL, key, nonce)) + { + goto Cleanup; + } + + if (!EVP_EncryptUpdate(ctx, output, (int*)&dataLen, input, dataLen)) + { + goto Cleanup; + } + + result = CSTATUS_OK; + + Cleanup: + + EVP_CIPHER_CTX_free(ctx); + + return result; + } + +#endif + #endif /*!OPENSSL_CRYPTO_LIB */
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