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openssl: Remove unused openssl_hash_chunk() helper

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Was used by the ECDSA implementation before 293a912c7de6 ("openssl: Fixes
for ECDSA with OpenSSL 3.0").
This commit is contained in:
Tobias Brunner 2022-10-05 18:14:12 +02:00
parent 4ea61dcbfe
commit c58ba0cb9f
2 changed files with 0 additions and 57 deletions
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45
src/libstrongswan/plugins/openssl/openssl_util.c
View File

@ -129,51 +129,6 @@ bool openssl_fingerprint(EVP_PKEY *key, cred_encoding_type_t type, chunk_t *fp)
return TRUE;
}
/**
* Described in header.
*/
bool openssl_hash_chunk(int hash_type, chunk_t data, chunk_t *hash)
{
EVP_MD_CTX *ctx;
bool ret = FALSE;
const EVP_MD *hasher = EVP_get_digestbynid(hash_type);
if (!hasher)
{
return FALSE;
}
ctx = EVP_MD_CTX_create();
if (!ctx)
{
goto error;
}
if (!EVP_DigestInit_ex(ctx, hasher, NULL))
{
goto error;
}
if (!EVP_DigestUpdate(ctx, data.ptr, data.len))
{
goto error;
}
*hash = chunk_alloc(EVP_MD_size(hasher));
if (!EVP_DigestFinal_ex(ctx, hash->ptr, NULL))
{
chunk_free(hash);
goto error;
}
ret = TRUE;
error:
if (ctx)
{
EVP_MD_CTX_destroy(ctx);
}
return ret;
}
/**
* Described in header.
*/

12
src/libstrongswan/plugins/openssl/openssl_util.h
View File

@ -57,18 +57,6 @@ bool openssl_compute_shared_key(EVP_PKEY *priv, EVP_PKEY *pub, chunk_t *shared);
*/
bool openssl_fingerprint(EVP_PKEY *key, cred_encoding_type_t type, chunk_t *fp);
/**
* Creates a hash of a given type of a chunk of data.
*
* Note: this function allocates memory for the hash
*
* @param hash_type NID of the hash
* @param data the chunk of data to hash
* @param hash chunk that contains the hash
* @return TRUE on success, FALSE otherwise
*/
bool openssl_hash_chunk(int hash_type, chunk_t data, chunk_t *hash);
/**
* Concatenates two bignums into a chunk, thereby enforcing the length of
* a single BIGNUM, if necessary, by pre-pending it with zeros.