lib/libssh
1
0
Fork 0
mirror of https://git.libssh.org/projects/libssh.git synced 2025-12-14 04:18:54 +03:00
Code Activity

CVE-2023-6918: Remove unused evp functions and types

Browse Source 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2023-12-15 12:55:27 +01:00
committed by Andreas Schneider
parent a16f34c57a
commit 10c200037a
7 changed files with 0 additions and 192 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
src/libgcrypt.c
View File

@@ -69,59 +69,6 @@ static int alloc_key(struct ssh_cipher_struct *cipher) {
void ssh_reseed(void){
}
#ifdef HAVE_GCRYPT_ECC
static int nid_to_md_algo(int nid)
{
switch (nid) {
case NID_gcrypt_nistp256:
return GCRY_MD_SHA256;
case NID_gcrypt_nistp384:
return GCRY_MD_SHA384;
case NID_gcrypt_nistp521:
return GCRY_MD_SHA512;
}
return GCRY_MD_NONE;
}
void evp(int nid, unsigned char *digest, size_t len,
unsigned char *hash, unsigned int *hlen)
{
int algo = nid_to_md_algo(nid);
/* Note: What gcrypt calls 'hash' is called 'digest' here and
vice-versa. */
gcry_md_hash_buffer(algo, hash, digest, len);
*hlen = gcry_md_get_algo_dlen(algo);
}
EVPCTX evp_init(int nid)
{
gcry_error_t err;
int algo = nid_to_md_algo(nid);
EVPCTX ctx;
err = gcry_md_open(&ctx, algo, 0);
if (err) {
return NULL;
}
return ctx;
}
void evp_update(EVPCTX ctx, const void *data, size_t len)
{
gcry_md_write(ctx, data, len);
}
void evp_final(EVPCTX ctx, unsigned char *md, unsigned int *mdlen)
{
int algo = gcry_md_get_algo(ctx);
*mdlen = gcry_md_get_algo_dlen(algo);
memcpy(md, gcry_md_read(ctx, algo), *mdlen);
gcry_md_close(ctx);
}
#endif
int ssh_kdf(struct ssh_crypto_struct *crypto,
unsigned char *key, size_t key_len,
uint8_t key_type, unsigned char *output,