openssl/crypto/pkcs12/p12_p8e.c

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2023-05-09 22:08:48 +00:00
/*
* Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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/pkcs12.h>
#include "crypto/x509.h"
X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
const char *pass, int passlen,
unsigned char *salt, int saltlen, int iter,
PKCS8_PRIV_KEY_INFO *p8inf)
{
X509_SIG *p8 = NULL;
X509_ALGOR *pbe;
if (pbe_nid == -1)
pbe = PKCS5_pbe2_set(cipher, iter, salt, saltlen);
else if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
pbe = PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, pbe_nid);
else {
ERR_clear_error();
pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
}
if (!pbe) {
PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_ASN1_LIB);
return NULL;
}
p8 = PKCS8_set0_pbe(pass, passlen, p8inf, pbe);
if (p8 == NULL) {
X509_ALGOR_free(pbe);
return NULL;
}
return p8;
}
X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
{
X509_SIG *p8;
ASN1_OCTET_STRING *enckey;
enckey =
PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
pass, passlen, p8inf, 1);
if (!enckey) {
PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR);
return NULL;
}
p8 = OPENSSL_zalloc(sizeof(*p8));
if (p8 == NULL) {
PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE);
ASN1_OCTET_STRING_free(enckey);
return NULL;
}
p8->algor = pbe;
p8->digest = enckey;
return p8;
}