- if (!pbe->iter) iter = 1;
- else iter = ASN1_INTEGER_get (pbe->iter);
- salt = pbe->salt->data;
- saltlen = pbe->salt->length;
- if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,
- iter, EVP_CIPHER_key_length(cipher), key, md)) {
- PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR);
- PBEPARAM_free(pbe);
- return 0;
- }
- if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,
- iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
- PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR);
- PBEPARAM_free(pbe);
- return 0;
- }
- PBEPARAM_free(pbe);
- EVP_CipherInit(ctx, cipher, key, iv, en_de);
- memset(key, 0, EVP_MAX_KEY_LENGTH);
- memset(iv, 0, EVP_MAX_IV_LENGTH);
- return 1;
+ /* Extract useful info from parameter */
+
+ pbe = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBEPARAM), param);
+ if (pbe == NULL) {
+ PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
+ return 0;
+ }
+
+ if (!pbe->iter)
+ iter = 1;
+ else
+ iter = ASN1_INTEGER_get(pbe->iter);
+ salt = pbe->salt->data;
+ saltlen = pbe->salt->length;
+ if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
+ iter, EVP_CIPHER_key_length(cipher), key, md)) {
+ PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
+ iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
+ PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ PBEPARAM_free(pbe);
+ ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
+ OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
+ OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
+ return ret;