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-rw-r--r--crypto/pkcs12/p12_decr.c220
1 files changed, 117 insertions, 103 deletions
diff --git a/crypto/pkcs12/p12_decr.c b/crypto/pkcs12/p12_decr.c
index 9d3557e8d7e0..d46eae3c66a6 100644
--- a/crypto/pkcs12/p12_decr.c
+++ b/crypto/pkcs12/p12_decr.c
@@ -1,6 +1,7 @@
/* p12_decr.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -61,124 +62,137 @@
#include <openssl/pkcs12.h>
/* Define this to dump decrypted output to files called DERnnn */
-/*#define DEBUG_DECRYPT*/
-
+/*
+ * #define DEBUG_DECRYPT
+ */
-/* Encrypt/Decrypt a buffer based on password and algor, result in a
+/*
+ * Encrypt/Decrypt a buffer based on password and algor, result in a
* OPENSSL_malloc'ed buffer
*/
-unsigned char * PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
- int passlen, unsigned char *in, int inlen, unsigned char **data,
- int *datalen, int en_de)
+unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
+ int passlen, unsigned char *in, int inlen,
+ unsigned char **data, int *datalen, int en_de)
{
- unsigned char *out;
- int outlen, i;
- EVP_CIPHER_CTX ctx;
-
- EVP_CIPHER_CTX_init(&ctx);
- /* Decrypt data */
- if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen,
- algor->parameter, &ctx, en_de)) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
- return NULL;
- }
-
- if(!(out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(&ctx)))) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (!EVP_CipherUpdate(&ctx, out, &i, in, inlen))
- {
- OPENSSL_free(out);
- out = NULL;
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_EVP_LIB);
- goto err;
- }
-
- outlen = i;
- if(!EVP_CipherFinal_ex(&ctx, out + i, &i)) {
- OPENSSL_free(out);
- out = NULL;
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
- goto err;
- }
- outlen += i;
- if (datalen) *datalen = outlen;
- if (data) *data = out;
- err:
- EVP_CIPHER_CTX_cleanup(&ctx);
- return out;
+ unsigned char *out;
+ int outlen, i;
+ EVP_CIPHER_CTX ctx;
+
+ EVP_CIPHER_CTX_init(&ctx);
+ /* Decrypt data */
+ if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen,
+ algor->parameter, &ctx, en_de)) {
+ PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
+ PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
+ return NULL;
+ }
+
+ if (!(out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(&ctx)))) {
+ PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!EVP_CipherUpdate(&ctx, out, &i, in, inlen)) {
+ OPENSSL_free(out);
+ out = NULL;
+ PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_EVP_LIB);
+ goto err;
+ }
+
+ outlen = i;
+ if (!EVP_CipherFinal_ex(&ctx, out + i, &i)) {
+ OPENSSL_free(out);
+ out = NULL;
+ PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
+ PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
+ goto err;
+ }
+ outlen += i;
+ if (datalen)
+ *datalen = outlen;
+ if (data)
+ *data = out;
+ err:
+ EVP_CIPHER_CTX_cleanup(&ctx);
+ return out;
}
-/* Decrypt an OCTET STRING and decode ASN1 structure
- * if zbuf set zero buffer after use.
+/*
+ * Decrypt an OCTET STRING and decode ASN1 structure if zbuf set zero buffer
+ * after use.
*/
-void * PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
- const char *pass, int passlen, ASN1_OCTET_STRING *oct, int zbuf)
+void *PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ ASN1_OCTET_STRING *oct, int zbuf)
{
- unsigned char *out;
- const unsigned char *p;
- void *ret;
- int outlen;
-
- if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
- &out, &outlen, 0)) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I,PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
- return NULL;
- }
- p = out;
+ unsigned char *out;
+ const unsigned char *p;
+ void *ret;
+ int outlen;
+
+ if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
+ &out, &outlen, 0)) {
+ PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I,
+ PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
+ return NULL;
+ }
+ p = out;
#ifdef DEBUG_DECRYPT
- {
- FILE *op;
-
- char fname[30];
- static int fnm = 1;
- sprintf(fname, "DER%d", fnm++);
- op = fopen(fname, "wb");
- fwrite (p, 1, outlen, op);
- fclose(op);
- }
+ {
+ FILE *op;
+
+ char fname[30];
+ static int fnm = 1;
+ sprintf(fname, "DER%d", fnm++);
+ op = fopen(fname, "wb");
+ fwrite(p, 1, outlen, op);
+ fclose(op);
+ }
#endif
- ret = ASN1_item_d2i(NULL, &p, outlen, it);
- if (zbuf) OPENSSL_cleanse(out, outlen);
- if(!ret) PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);
- OPENSSL_free(out);
- return ret;
+ ret = ASN1_item_d2i(NULL, &p, outlen, it);
+ if (zbuf)
+ OPENSSL_cleanse(out, outlen);
+ if (!ret)
+ PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I, PKCS12_R_DECODE_ERROR);
+ OPENSSL_free(out);
+ return ret;
}
-/* Encode ASN1 structure and encrypt, return OCTET STRING
- * if zbuf set zero encoding.
+/*
+ * Encode ASN1 structure and encrypt, return OCTET STRING if zbuf set zero
+ * encoding.
*/
-ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor, const ASN1_ITEM *it,
- const char *pass, int passlen,
- void *obj, int zbuf)
+ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
+ const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ void *obj, int zbuf)
{
- ASN1_OCTET_STRING *oct;
- unsigned char *in = NULL;
- int inlen;
- if (!(oct = M_ASN1_OCTET_STRING_new ())) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- inlen = ASN1_item_i2d(obj, &in, it);
- if (!in) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT,PKCS12_R_ENCODE_ERROR);
- return NULL;
- }
- if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
- &oct->length, 1)) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT,PKCS12_R_ENCRYPT_ERROR);
- OPENSSL_free(in);
- return NULL;
- }
- if (zbuf) OPENSSL_cleanse(in, inlen);
- OPENSSL_free(in);
- return oct;
+ ASN1_OCTET_STRING *oct;
+ unsigned char *in = NULL;
+ int inlen;
+ if (!(oct = M_ASN1_OCTET_STRING_new())) {
+ PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ inlen = ASN1_item_i2d(obj, &in, it);
+ if (!in) {
+ PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCODE_ERROR);
+ return NULL;
+ }
+ if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
+ &oct->length, 1)) {
+ PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCRYPT_ERROR);
+ OPENSSL_free(in);
+ return NULL;
+ }
+ if (zbuf)
+ OPENSSL_cleanse(in, inlen);
+ OPENSSL_free(in);
+ return oct;
}
IMPLEMENT_PKCS12_STACK_OF(PKCS7)