1 /* 2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include "internal/cryptlib.h" 12 #include <openssl/pkcs12.h> 13 #include "internal/x509_int.h" 14 15 X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher, 16 const char *pass, int passlen, 17 unsigned char *salt, int saltlen, int iter, 18 PKCS8_PRIV_KEY_INFO *p8inf) 19 { 20 X509_SIG *p8 = NULL; 21 X509_ALGOR *pbe; 22 23 if (pbe_nid == -1) 24 pbe = PKCS5_pbe2_set(cipher, iter, salt, saltlen); 25 else if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) 26 pbe = PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, pbe_nid); 27 else { 28 ERR_clear_error(); 29 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen); 30 } 31 if (!pbe) { 32 PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_ASN1_LIB); 33 return NULL; 34 } 35 p8 = PKCS8_set0_pbe(pass, passlen, p8inf, pbe); 36 if (p8 == NULL) { 37 X509_ALGOR_free(pbe); 38 return NULL; 39 } 40 41 return p8; 42 } 43 44 X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen, 45 PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe) 46 { 47 X509_SIG *p8; 48 ASN1_OCTET_STRING *enckey; 49 50 enckey = 51 PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO), 52 pass, passlen, p8inf, 1); 53 if (!enckey) { 54 PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR); 55 return NULL; 56 } 57 58 p8 = OPENSSL_zalloc(sizeof(*p8)); 59 60 if (p8 == NULL) { 61 PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE); 62 ASN1_OCTET_STRING_free(enckey); 63 return NULL; 64 } 65 p8->algor = pbe; 66 p8->digest = enckey; 67 68 return p8; 69 } 70