/*
- * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1999-2024 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
* Encrypt/Decrypt a buffer based on password and algor, result in a
* OPENSSL_malloc'ed buffer
*/
-unsigned char *PKCS12_pbe_crypt(const X509_ALGOR *algor,
- const char *pass, int passlen,
- const unsigned char *in, int inlen,
- unsigned char **data, int *datalen, int en_de)
+unsigned char *PKCS12_pbe_crypt_ex(const X509_ALGOR *algor,
+ const char *pass, int passlen,
+ const unsigned char *in, int inlen,
+ unsigned char **data, int *datalen, int en_de,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
unsigned char *out = NULL;
int outlen, i;
EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
+ int max_out_len, mac_len = 0;
+ int block_size;
if (ctx == NULL) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_EVP_LIB);
goto err;
}
- /* 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);
+ /* Process data */
+ if (!EVP_PBE_CipherInit_ex(algor->algorithm, pass, passlen,
+ algor->parameter, ctx, en_de, libctx, propq))
goto err;
- }
- if ((out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(ctx)))
- == NULL) {
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
+ /*
+ * GOST algorithm specifics:
+ * OMAC algorithm calculate and encrypt MAC of the encrypted objects
+ * It's appended to encrypted text on encrypting
+ * MAC should be processed on decrypting separately from plain text
+ */
+ block_size = EVP_CIPHER_CTX_get_block_size(ctx);
+
+ if (block_size == 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
goto err;
}
+ max_out_len = inlen + block_size;
+ if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ctx))
+ & EVP_CIPH_FLAG_CIPHER_WITH_MAC) != 0) {
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_TLS1_AAD, 0, &mac_len) < 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
+ max_out_len += mac_len;
+ } else {
+ if (inlen < mac_len) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_UNSUPPORTED_PKCS12_MODE);
+ goto err;
+ }
+ inlen -= mac_len;
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
+ (int)mac_len, (unsigned char *)in+inlen) < 0) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ }
+ }
+
+ if ((out = OPENSSL_malloc(max_out_len)) == NULL)
+ 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);
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_EVP_LIB);
goto err;
}
if (!EVP_CipherFinal_ex(ctx, out + i, &i)) {
OPENSSL_free(out);
out = NULL;
- PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
- PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
+ ERR_raise_data(ERR_LIB_PKCS12, PKCS12_R_PKCS12_CIPHERFINAL_ERROR,
+ passlen == 0 ? "empty password"
+ : "maybe wrong password");
goto err;
}
outlen += i;
+ if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ctx))
+ & EVP_CIPH_FLAG_CIPHER_WITH_MAC) != 0) {
+ if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG,
+ (int)mac_len, out+outlen) < 0) {
+ OPENSSL_free(out);
+ out = NULL;
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ outlen += mac_len;
+ }
+ }
if (datalen)
*datalen = outlen;
if (data)
}
+unsigned char *PKCS12_pbe_crypt(const X509_ALGOR *algor,
+ const char *pass, int passlen,
+ const unsigned char *in, int inlen,
+ unsigned char **data, int *datalen, int en_de)
+{
+ return PKCS12_pbe_crypt_ex(algor, pass, passlen, in, inlen, data, datalen,
+ en_de, NULL, NULL);
+}
+
/*
* Decrypt an OCTET STRING and decode ASN1 structure if zbuf set zero buffer
* after use.
*/
-void *PKCS12_item_decrypt_d2i(const X509_ALGOR *algor, const ASN1_ITEM *it,
- const char *pass, int passlen,
- const ASN1_OCTET_STRING *oct, int zbuf)
+void *PKCS12_item_decrypt_d2i_ex(const X509_ALGOR *algor, const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ const ASN1_OCTET_STRING *oct, int zbuf,
+ OSSL_LIB_CTX *libctx,
+ const char *propq)
{
- unsigned char *out;
+ unsigned char *out = NULL;
const unsigned char *p;
void *ret;
- int outlen;
+ int outlen = 0;
- 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);
+ if (!PKCS12_pbe_crypt_ex(algor, pass, passlen, oct->data, oct->length,
+ &out, &outlen, 0, libctx, propq))
return NULL;
- }
p = out;
OSSL_TRACE_BEGIN(PKCS12_DECRYPT) {
BIO_printf(trc_out, "\n");
if (zbuf)
OPENSSL_cleanse(out, outlen);
if (!ret)
- PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I, PKCS12_R_DECODE_ERROR);
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
OPENSSL_free(out);
return ret;
}
+void *PKCS12_item_decrypt_d2i(const X509_ALGOR *algor, const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ const ASN1_OCTET_STRING *oct, int zbuf)
+{
+ return PKCS12_item_decrypt_d2i_ex(algor, it, pass, passlen, oct, zbuf,
+ NULL, NULL);
+}
+
/*
* 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_ex(X509_ALGOR *algor,
+ const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ void *obj, int zbuf,
+ OSSL_LIB_CTX *ctx,
+ const char *propq)
{
ASN1_OCTET_STRING *oct = NULL;
unsigned char *in = NULL;
int inlen;
if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
goto err;
}
inlen = ASN1_item_i2d(obj, &in, it);
if (!in) {
- PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCODE_ERROR);
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCODE_ERROR);
goto err;
}
- 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);
+ if (!PKCS12_pbe_crypt_ex(algor, pass, passlen, in, inlen, &oct->data,
+ &oct->length, 1, ctx, propq)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
OPENSSL_free(in);
goto err;
}
ASN1_OCTET_STRING_free(oct);
return NULL;
}
+
+ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
+ const ASN1_ITEM *it,
+ const char *pass, int passlen,
+ void *obj, int zbuf)
+{
+ return PKCS12_item_i2d_encrypt_ex(algor, it, pass, passlen, obj, zbuf, NULL, NULL);
+}