Viewing file:  p12_crpt.c (2.73 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/core.h>
#include <openssl/core_names.h>
#include "crypto/evp.h"
#include <openssl/pkcs12.h>
/* PKCS#12 PBE algorithms now in static table */
void PKCS12_PBE_add(void)
{
}
int PKCS12_PBE_keyivgen_ex(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
ASN1_TYPE *param, const EVP_CIPHER *cipher,
const EVP_MD *md, int en_de,
OSSL_LIB_CTX *libctx, const char *propq)
{
PBEPARAM *pbe;
int saltlen, iter, ret;
unsigned char *salt;
unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
unsigned char *piv = iv;
if (cipher == NULL)
return 0;
/* Extract useful info from parameter */
pbe = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBEPARAM), param);
if (pbe == NULL) {
ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
return 0;
}
if (pbe->iter == NULL)
iter = 1;
else
iter = ASN1_INTEGER_get(pbe->iter);
salt = pbe->salt->data;
saltlen = pbe->salt->length;
if (!PKCS12_key_gen_utf8_ex(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
iter, EVP_CIPHER_get_key_length(cipher),
key, md,
libctx, propq)) {
ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
PBEPARAM_free(pbe);
return 0;
}
if (EVP_CIPHER_get_iv_length(cipher) > 0) {
if (!PKCS12_key_gen_utf8_ex(pass, passlen, salt, saltlen, PKCS12_IV_ID,
iter, EVP_CIPHER_get_iv_length(cipher),
iv, md,
libctx, propq)) {
ERR_raise(ERR_LIB_PKCS12, PKCS12_R_IV_GEN_ERROR);
PBEPARAM_free(pbe);
return 0;
}
} else {
piv = NULL;
}
PBEPARAM_free(pbe);
ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, piv, en_de);
OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
return ret;
}
int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
ASN1_TYPE *param, const EVP_CIPHER *cipher,
const EVP_MD *md, int en_de)
{
return PKCS12_PBE_keyivgen_ex(ctx, pass, passlen, param, cipher, md, en_de,
NULL, NULL);
}
|