diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/evp_pbe.c')
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/evp/evp_pbe.c | 49 |
1 files changed, 41 insertions, 8 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/evp_pbe.c b/Cryptlib/OpenSSL/crypto/evp/evp_pbe.c index 5e830be6..766ea42b 100755 --- a/Cryptlib/OpenSSL/crypto/evp/evp_pbe.c +++ b/Cryptlib/OpenSSL/crypto/evp/evp_pbe.c @@ -116,17 +116,50 @@ static int pbe_cmp(const char * const *a, const char * const *b) int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, EVP_PBE_KEYGEN *keygen) { - EVP_PBE_CTL *pbe_tmp; - if (!pbe_algs) pbe_algs = sk_new(pbe_cmp); - if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) { - EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE); - return 0; - } - pbe_tmp->pbe_nid = nid; + EVP_PBE_CTL *pbe_tmp = NULL, pbelu; + int i; + if (!pbe_algs) + { + pbe_algs = sk_new(pbe_cmp); + if (!pbe_algs) + { + EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE); + return 0; + } + } + else + { + /* Check if already present */ + pbelu.pbe_nid = nid; + i = sk_find(pbe_algs, (char *)&pbelu); + if (i >= 0) + { + pbe_tmp = (EVP_PBE_CTL *)sk_value(pbe_algs, i); + /* If everything identical leave alone */ + if (pbe_tmp->cipher == cipher + && pbe_tmp->md == md + && pbe_tmp->keygen == keygen) + return 1; + } + } + + if (!pbe_tmp) + { + pbe_tmp = OPENSSL_malloc (sizeof(EVP_PBE_CTL)); + if (!pbe_tmp) + { + EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE); + return 0; + } + /* If adding a new PBE, set nid, append and sort */ + pbe_tmp->pbe_nid = nid; + sk_push (pbe_algs, (char *)pbe_tmp); + sk_sort(pbe_algs); + } + pbe_tmp->cipher = cipher; pbe_tmp->md = md; pbe_tmp->keygen = keygen; - sk_push (pbe_algs, (char *)pbe_tmp); return 1; } |