PBE2PARAM *pbe2 = NULL;
ASN1_OCTET_STRING *osalt = NULL;
ASN1_OBJECT *obj;
+ int prf_nid;
alg_nid = EVP_CIPHER_type(cipher);
if(alg_nid == NID_undef) {
EVP_CIPHER_CTX_init(&ctx);
- /* Dummy cipherinit to just setup the IV */
+ /* Dummy cipherinit to just setup the IV, and PRF */
EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 0);
if(EVP_CIPHER_param_to_asn1(&ctx, scheme->parameter) < 0) {
ASN1err(ASN1_F_PKCS5_PBE2_SET,
EVP_CIPHER_CTX_cleanup(&ctx);
goto err;
}
+ /* An error is OK here: just means use default PRF */
+ if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0)
+ {
+ ERR_clear_error();
+ prf_nid = NID_hmacWithSHA1;
+ }
EVP_CIPHER_CTX_cleanup(&ctx);
if(!(kdf = PBKDF2PARAM_new())) goto merr;
EVP_CIPHER_key_length(cipher))) goto merr;
}
- /* prf can stay NULL because we are using hmacWithSHA1 */
+ /* prf can stay NULL if we are using hmacWithSHA1 */
+ if (prf_nid != NID_hmacWithSHA1)
+ {
+ kdf->prf = X509_ALGOR_new();
+ if (!kdf->prf)
+ goto merr;
+ X509_ALGOR_set0(kdf->prf, OBJ_nid2obj(prf_nid),
+ V_ASN1_NULL, NULL);
+ }
/* Now setup the PBE2PARAM keyfunc structure */