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/* evp.c
*
* Copyright (C) 2006-2026 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include <wolfssl/wolfcrypt/libwolfssl_sources.h>
#if !defined(WOLFSSL_EVP_INCLUDED)
#ifndef WOLFSSL_IGNORE_FILE_WARN
#warning evp.c does not need to be compiled separately from ssl.c
#endif
#elif defined(WOLFCRYPT_ONLY)
#else
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(HAVE_CURL)
#if !defined(HAVE_PKCS7) && \
((defined(HAVE_FIPS) && defined(HAVE_FIPS_VERSION) && \
(HAVE_FIPS_VERSION == 2)) || defined(HAVE_SELFTEST))
#include <wolfssl/wolfcrypt/aes.h>
#endif
#include <wolfssl/openssl/ecdsa.h>
#include <wolfssl/openssl/evp.h>
#include <wolfssl/openssl/kdf.h>
#include <wolfssl/wolfcrypt/wolfmath.h>
static const struct s_ent {
const enum wc_HashType macType;
const int nid;
const char *name;
} md_tbl[] = {
#ifndef NO_MD4
{WC_HASH_TYPE_MD4, WC_NID_md4, WC_SN_md4},
#endif /* NO_MD4 */
#ifndef NO_MD5
{WC_HASH_TYPE_MD5, WC_NID_md5, WC_SN_md5},
#endif /* NO_MD5 */
#ifndef NO_SHA
{WC_HASH_TYPE_SHA, WC_NID_sha1, WC_SN_sha1},
{WC_HASH_TYPE_SHA, WC_NID_sha1, "SHA"}, /* Leave for backwards compatibility */
#endif /* NO_SHA */
#ifdef WOLFSSL_SHA224
{WC_HASH_TYPE_SHA224, WC_NID_sha224, WC_SN_sha224},
#endif /* WOLFSSL_SHA224 */
#ifndef NO_SHA256
{WC_HASH_TYPE_SHA256, WC_NID_sha256, WC_SN_sha256},
#endif
#ifdef WOLFSSL_SHA384
{WC_HASH_TYPE_SHA384, WC_NID_sha384, WC_SN_sha384},
#endif /* WOLFSSL_SHA384 */
#ifdef WOLFSSL_SHA512
{WC_HASH_TYPE_SHA512, WC_NID_sha512, WC_SN_sha512},
#endif /* WOLFSSL_SHA512 */
#if defined(WOLFSSL_SHA512) && !defined(WOLFSSL_NOSHA512_224)
{WC_HASH_TYPE_SHA512_224, WC_NID_sha512_224, WC_SN_sha512_224},
#endif /* WOLFSSL_SHA512 && !WOLFSSL_NOSHA512_224 */
#if defined(WOLFSSL_SHA512) && !defined(WOLFSSL_NOSHA512_256)
{WC_HASH_TYPE_SHA512_256, WC_NID_sha512_256, WC_SN_sha512_256},
#endif /* WOLFSSL_SHA512 && !WOLFSSL_NOSHA512_256 */
#ifndef WOLFSSL_NOSHA3_224
{WC_HASH_TYPE_SHA3_224, WC_NID_sha3_224, WC_SN_sha3_224},
#endif
#ifndef WOLFSSL_NOSHA3_256
{WC_HASH_TYPE_SHA3_256, WC_NID_sha3_256, WC_SN_sha3_256},
#endif
#ifndef WOLFSSL_NOSHA3_384
{WC_HASH_TYPE_SHA3_384, WC_NID_sha3_384, WC_SN_sha3_384},
#endif
#ifndef WOLFSSL_NOSHA3_512
{WC_HASH_TYPE_SHA3_512, WC_NID_sha3_512, WC_SN_sha3_512},
#endif
#ifdef WOLFSSL_SM3
{WC_HASH_TYPE_SM3, WC_NID_sm3, WC_SN_sm3},
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2B
{WC_HASH_TYPE_BLAKE2B, WC_NID_blake2b512, WC_SN_blake2b512},
#endif
#ifdef HAVE_BLAKE2S
{WC_HASH_TYPE_BLAKE2S, WC_NID_blake2s256, WC_SN_blake2s256},
#endif
#ifdef WOLFSSL_SHAKE128
{WC_HASH_TYPE_SHAKE128, WC_NID_shake128, WC_SN_shake128},
#endif
#ifdef WOLFSSL_SHAKE256
{WC_HASH_TYPE_SHAKE256, WC_NID_shake256, WC_SN_shake256},
#endif
{WC_HASH_TYPE_NONE, 0, NULL}
};
#endif /* OPENSSL_EXTRA || HAVE_CURL */
#if defined(OPENSSL_EXTRA)
#ifndef NO_AES
#if defined(HAVE_AES_CBC) || defined(WOLFSSL_AES_DIRECT)
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CBC[] = "AES-128-CBC";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CBC[] = "AES-192-CBC";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CBC[] = "AES-256-CBC";
#endif
#endif /* HAVE_AES_CBC || WOLFSSL_AES_DIRECT */
#ifdef WOLFSSL_AES_OFB
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_OFB[] = "AES-128-OFB";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_OFB[] = "AES-192-OFB";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_OFB[] = "AES-256-OFB";
#endif
#endif /* WOLFSSL_AES_OFB */
#if defined(WOLFSSL_AES_XTS) && \
(!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_XTS[] = "AES-128-XTS";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_XTS[] = "AES-256-XTS";
#endif
#endif /* WOLFSSL_AES_XTS &&
(!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3)) */
#ifdef WOLFSSL_AES_CFB
#ifndef WOLFSSL_NO_AES_CFB_1_8
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB1[] = "AES-128-CFB1";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB1[] = "AES-192-CFB1";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB1[] = "AES-256-CFB1";
#endif
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB8[] = "AES-128-CFB8";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB8[] = "AES-192-CFB8";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB8[] = "AES-256-CFB8";
#endif
#endif /* !WOLFSSL_NO_AES_CFB_1_8 */
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CFB128[] = "AES-128-CFB128";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CFB128[] = "AES-192-CFB128";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CFB128[] = "AES-256-CFB128";
#endif
#endif /* WOLFSSL_AES_CFB */
#ifdef HAVE_AESGCM
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_GCM[] = "AES-128-GCM";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_GCM[] = "AES-192-GCM";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_GCM[] = "AES-256-GCM";
#endif
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CCM[] = "AES-128-CCM";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CCM[] = "AES-192-CCM";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CCM[] = "AES-256-CCM";
#endif
#endif /* HAVE_AESCCM */
#ifdef WOLFSSL_AES_COUNTER
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_CTR[] = "AES-128-CTR";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_CTR[] = "AES-192-CTR";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_CTR[] = "AES-256-CTR";
#endif
#endif
#ifdef HAVE_AES_ECB
#ifdef WOLFSSL_AES_128
static const char EVP_AES_128_ECB[] = "AES-128-ECB";
#endif
#ifdef WOLFSSL_AES_192
static const char EVP_AES_192_ECB[] = "AES-192-ECB";
#endif
#ifdef WOLFSSL_AES_256
static const char EVP_AES_256_ECB[] = "AES-256-ECB";
#endif
#endif
#endif
#ifdef HAVE_ARIA
#include <wolfssl/wolfcrypt/port/aria/aria-crypt.h>
static const char EVP_ARIA_128_GCM[] = "ARIA-128-GCM";
static const char EVP_ARIA_192_GCM[] = "ARIA-192-GCM";
static const char EVP_ARIA_256_GCM[] = "ARIA-256-GCM";
#endif
#ifndef NO_DES3
static const char EVP_DES_CBC[] = "DES-CBC";
static const char EVP_DES_ECB[] = "DES-ECB";
static const char EVP_DES_EDE3_CBC[] = "DES-EDE3-CBC";
static const char EVP_DES_EDE3_ECB[] = "DES-EDE3-ECB";
#endif
#ifndef NO_RC4
static const char EVP_ARC4[] = "ARC4";
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
static const char EVP_CHACHA20_POLY1305[] = "CHACHA20-POLY1305";
#endif
#ifdef HAVE_CHACHA
static const char EVP_CHACHA20[] = "CHACHA20";
#endif
#ifdef WOLFSSL_SM4_ECB
static const char EVP_SM4_ECB[] = "SM4-ECB";
#endif /* WOLFSSL_SM4_ECB */
#ifdef WOLFSSL_SM4_CBC
static const char EVP_SM4_CBC[] = "SM4-CBC";
#endif /* WOLFSSL_SM4_CBC */
#ifdef WOLFSSL_SM4_CTR
static const char EVP_SM4_CTR[] = "SM4-CTR";
#endif /* WOLFSSL_SM4_CTR */
#ifdef WOLFSSL_SM4_GCM
static const char EVP_SM4_GCM[] = "SM4-GCM";
#endif /* WOLFSSL_SM4_GCM */
#ifdef WOLFSSL_SM4_CCM
static const char EVP_SM4_CCM[] = "SM4-CCM";
#endif /* WOLFSSL_SM4_CCM */
static const char EVP_NULL[] = "NULL";
static const struct pkey_type_name_ent {
int type;
const char *name;
} pkey_type_names[] = {
{ WC_EVP_PKEY_RSA, "RSA" },
{ WC_EVP_PKEY_EC, "EC" },
{ WC_EVP_PKEY_DH, "DH" },
{ WC_EVP_PKEY_DSA, "DSA" }
};
static int pkey_type_by_name(const char *name) {
unsigned int i;
if (name == NULL)
return WC_EVP_PKEY_NONE;
for (i = 0; i < XELEM_CNT(pkey_type_names); ++i) {
if (XSTRCMP(name, pkey_type_names[i].name) == 0)
return pkey_type_names[i].type;
}
return WC_EVP_PKEY_NONE;
}
int wolfSSL_EVP_PKEY_is_a(const WOLFSSL_EVP_PKEY *pkey, const char *name) {
int type;
if (pkey == NULL)
return WOLFSSL_FAILURE;
type = pkey_type_by_name(name);
if (type == WC_EVP_PKEY_NONE)
return WOLFSSL_FAILURE;
return (pkey->type == type) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
#define EVP_CIPHER_TYPE_MATCHES(x, y) (XSTRCMP(x,y) == 0)
#define WOLFSSL_EVP_PKEY_PRINT_LINE_WIDTH_MAX 80
#define WOLFSSL_EVP_PKEY_PRINT_DIGITS_PER_LINE 15
#define WOLFSSL_EVP_EXPONENT_PRINT_MAX 24
static unsigned int cipherType(const WOLFSSL_EVP_CIPHER *cipher);
static enum wc_HashType EvpMd2MacType(const WOLFSSL_EVP_MD *md);
/* Getter function for cipher key length
*
* c WOLFSSL_EVP_CIPHER structure to get key length from
*
* NOTE: OpenSSL_add_all_ciphers() should be called first before using this
* function
*
* Returns size of key in bytes
*/
int wolfSSL_EVP_Cipher_key_length(const WOLFSSL_EVP_CIPHER* c)
{
WOLFSSL_ENTER("wolfSSL_EVP_Cipher_key_length");
if (c == NULL) {
return 0;
}
switch (cipherType(c)) {
#if !defined(NO_AES)
#if defined(HAVE_AES_CBC) || defined(WOLFSSL_AES_DIRECT)
case WC_AES_128_CBC_TYPE: return 16;
case WC_AES_192_CBC_TYPE: return 24;
case WC_AES_256_CBC_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_CFB)
case WC_AES_128_CFB1_TYPE: return 16;
case WC_AES_192_CFB1_TYPE: return 24;
case WC_AES_256_CFB1_TYPE: return 32;
case WC_AES_128_CFB8_TYPE: return 16;
case WC_AES_192_CFB8_TYPE: return 24;
case WC_AES_256_CFB8_TYPE: return 32;
case WC_AES_128_CFB128_TYPE: return 16;
case WC_AES_192_CFB128_TYPE: return 24;
case WC_AES_256_CFB128_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_OFB)
case WC_AES_128_OFB_TYPE: return 16;
case WC_AES_192_OFB_TYPE: return 24;
case WC_AES_256_OFB_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_XTS) && (!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
/* Two keys for XTS. */
case WC_AES_128_XTS_TYPE: return 16 * 2;
case WC_AES_256_XTS_TYPE: return 32 * 2;
#endif
#if defined(HAVE_AESGCM)
case WC_AES_128_GCM_TYPE: return 16;
case WC_AES_192_GCM_TYPE: return 24;
case WC_AES_256_GCM_TYPE: return 32;
#endif
#if defined(HAVE_AESCCM)
case WC_AES_128_CCM_TYPE: return 16;
case WC_AES_192_CCM_TYPE: return 24;
case WC_AES_256_CCM_TYPE: return 32;
#endif
#if defined(WOLFSSL_AES_COUNTER)
case WC_AES_128_CTR_TYPE: return 16;
case WC_AES_192_CTR_TYPE: return 24;
case WC_AES_256_CTR_TYPE: return 32;
#endif
#if defined(HAVE_AES_ECB)
case WC_AES_128_ECB_TYPE: return 16;
case WC_AES_192_ECB_TYPE: return 24;
case WC_AES_256_ECB_TYPE: return 32;
#endif
#endif /* !NO_AES */
#ifndef NO_DES3
case WC_DES_CBC_TYPE: return 8;
case WC_DES_EDE3_CBC_TYPE: return 24;
case WC_DES_ECB_TYPE: return 8;
case WC_DES_EDE3_ECB_TYPE: return 24;
#endif
#ifndef NO_RC4
case WC_ARC4_TYPE: return 16;
#endif
#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305)
case WC_CHACHA20_POLY1305_TYPE: return 32;
#endif
#ifdef HAVE_CHACHA
case WC_CHACHA20_TYPE: return CHACHA_MAX_KEY_SZ;
#endif
#ifdef WOLFSSL_SM4_ECB
case WC_SM4_ECB_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CBC
case WC_SM4_CBC_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CTR
case WC_SM4_CTR_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_GCM
case WC_SM4_GCM_TYPE: return 16;
#endif
#ifdef WOLFSSL_SM4_CCM
case WC_SM4_CCM_TYPE: return 16;
#endif
default:
return 0;
}
}
int wolfSSL_EVP_EncryptInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
const unsigned char* key,
const unsigned char* iv)
{
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 1);
}
int wolfSSL_EVP_EncryptInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv)
{
(void) impl;
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 1);
}
int wolfSSL_EVP_DecryptInit(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
const unsigned char* key,
const unsigned char* iv)
{
WOLFSSL_ENTER("wolfSSL_EVP_CipherInit");
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 0);
}
int wolfSSL_EVP_DecryptInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv)
{
(void) impl;
WOLFSSL_ENTER("wolfSSL_EVP_DecryptInit");
return wolfSSL_EVP_CipherInit(ctx, type, (byte*)key, (byte*)iv, 0);
}
WOLFSSL_EVP_CIPHER_CTX *wolfSSL_EVP_CIPHER_CTX_new(void)
{
WOLFSSL_EVP_CIPHER_CTX *ctx = (WOLFSSL_EVP_CIPHER_CTX*)XMALLOC(sizeof(*ctx),
NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ctx) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_new");
wolfSSL_EVP_CIPHER_CTX_init(ctx);
}
return ctx;
}
void wolfSSL_EVP_CIPHER_CTX_free(WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_free");
wolfSSL_EVP_CIPHER_CTX_cleanup(ctx);
XFREE(ctx, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
}
int wolfSSL_EVP_CIPHER_CTX_reset(WOLFSSL_EVP_CIPHER_CTX *ctx)
{
int ret = WC_NO_ERR_TRACE(WOLFSSL_FAILURE);
if (ctx != NULL) {
WOLFSSL_ENTER("wolfSSL_EVP_CIPHER_CTX_reset");
wolfSSL_EVP_CIPHER_CTX_cleanup(ctx);
ret = WOLFSSL_SUCCESS;
}
return ret;
}
unsigned long wolfSSL_EVP_CIPHER_CTX_mode(const WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx == NULL) return 0;
return ctx->flags & WOLFSSL_EVP_CIPH_MODE;
}
unsigned long wolfSSL_EVP_CIPHER_CTX_flags(const WOLFSSL_EVP_CIPHER_CTX *ctx)
{
if (ctx == NULL) return 0;
return ctx->flags;
}
int wolfSSL_EVP_EncryptFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_EncryptFinal");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else
return WOLFSSL_FAILURE;
}
int wolfSSL_EVP_CipherInit_ex(WOLFSSL_EVP_CIPHER_CTX* ctx,
const WOLFSSL_EVP_CIPHER* type,
WOLFSSL_ENGINE *impl,
const unsigned char* key,
const unsigned char* iv,
int enc)
{
(void)impl;
return wolfSSL_EVP_CipherInit(ctx, type, key, iv, enc);
}
int wolfSSL_EVP_EncryptFinal_ex(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_EncryptFinal_ex");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else
return WOLFSSL_FAILURE;
}
int wolfSSL_EVP_DecryptFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && !ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_DecryptFinal");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else {
return WOLFSSL_FAILURE;
}
}
int wolfSSL_EVP_DecryptFinal_ex(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl)
{
if (ctx && !ctx->enc) {
WOLFSSL_ENTER("wolfSSL_EVP_DecryptFinal_ex");
return wolfSSL_EVP_CipherFinal(ctx, out, outl);
}
else {
return WOLFSSL_FAILURE;
}
}
#ifdef DEBUG_WOLFSSL_EVP
#define PRINT_BUF(b, sz) { int _i; for(_i=0; _i<(sz); _i++) { \
printf("%02x(%c),", (b)[_i], (b)[_i]); if ((_i+1)%8==0)printf("\n");}}
#else
#define PRINT_BUF(b, sz) WC_DO_NOTHING
#endif
static int fillBuff(WOLFSSL_EVP_CIPHER_CTX *ctx, const unsigned char *in, int sz)
{
if (sz > 0) {
int fill;
if ((sz+ctx->bufUsed) > ctx->block_size) {
fill = ctx->block_size - ctx->bufUsed;
} else {
fill = sz;
}
XMEMCPY(&(ctx->buf[ctx->bufUsed]), in, (size_t)fill);
ctx->bufUsed += fill;
return fill;
} else return 0;
}
static int evpCipherBlock(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out,
const unsigned char *in, int inLen)
{
int ret = 0;
word32 inl = (word32)inLen;
switch (ctx->cipherType) {
#if !defined(NO_AES)
#if defined(HAVE_AES_CBC)
case WC_AES_128_CBC_TYPE:
case WC_AES_192_CBC_TYPE:
case WC_AES_256_CBC_TYPE:
if (ctx->enc)
ret = wc_AesCbcEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCbcDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_COUNTER)
case WC_AES_128_CTR_TYPE:
case WC_AES_192_CTR_TYPE:
case WC_AES_256_CTR_TYPE:
ret = wc_AesCtrEncrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(HAVE_AES_ECB)
case WC_AES_128_ECB_TYPE:
case WC_AES_192_ECB_TYPE:
case WC_AES_256_ECB_TYPE:
if (ctx->enc)
ret = wc_AesEcbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesEcbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_OFB)
case WC_AES_128_OFB_TYPE:
case WC_AES_192_OFB_TYPE:
case WC_AES_256_OFB_TYPE:
if (ctx->enc)
ret = wc_AesOfbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesOfbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_CFB)
#if !defined(WOLFSSL_NO_AES_CFB_1_8)
case WC_AES_128_CFB1_TYPE:
case WC_AES_192_CFB1_TYPE:
case WC_AES_256_CFB1_TYPE:
if (ctx->enc)
ret = wc_AesCfb1Encrypt(&ctx->cipher.aes, out, in,
inl * WOLFSSL_BIT_SIZE);
else
ret = wc_AesCfb1Decrypt(&ctx->cipher.aes, out, in,
inl * WOLFSSL_BIT_SIZE);
break;
case WC_AES_128_CFB8_TYPE:
case WC_AES_192_CFB8_TYPE:
case WC_AES_256_CFB8_TYPE:
if (ctx->enc)
ret = wc_AesCfb8Encrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCfb8Decrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif /* !WOLFSSL_NO_AES_CFB_1_8 */
case WC_AES_128_CFB128_TYPE:
case WC_AES_192_CFB128_TYPE:
case WC_AES_256_CFB128_TYPE:
if (ctx->enc)
ret = wc_AesCfbEncrypt(&ctx->cipher.aes, out, in, inl);
else
ret = wc_AesCfbDecrypt(&ctx->cipher.aes, out, in, inl);
break;
#endif
#if defined(WOLFSSL_AES_XTS) && (!defined(HAVE_FIPS) || FIPS_VERSION_GE(5,3))
case WC_AES_128_XTS_TYPE:
case WC_AES_256_XTS_TYPE:
if (ctx->enc)
ret = wc_AesXtsEncrypt(&ctx->cipher.xts, out, in, inl,
ctx->iv, (word32)ctx->ivSz);
else
ret = wc_AesXtsDecrypt(&ctx->cipher.xts, out, in, inl,
ctx->iv, (word32)ctx->ivSz);
break;
#endif
#endif /* !NO_AES */
#ifndef NO_DES3
case WC_DES_CBC_TYPE:
if (ctx->enc)
ret = wc_Des_CbcEncrypt(&ctx->cipher.des, out, in, inl);
else
ret = wc_Des_CbcDecrypt(&ctx->cipher.des, out, in, inl);
break;
case WC_DES_EDE3_CBC_TYPE:
if (ctx->enc)
ret = wc_Des3_CbcEncrypt(&ctx->cipher.des3, out, in, inl);
else
ret = wc_Des3_CbcDecrypt(&ctx->cipher.des3, out, in, inl);
break;
#if defined(WOLFSSL_DES_ECB)
case WC_DES_ECB_TYPE:
if (ctx->enc)
ret = wc_Des_EcbEncrypt(&ctx->cipher.des, out, in, inl);
else
ret = wc_Des_EcbDecrypt(&ctx->cipher.des, out, in, inl);
break;
case WC_DES_EDE3_ECB_TYPE:
if (ctx->enc)
ret = wc_Des3_EcbEncrypt(&ctx->cipher.des3, out, in, inl);
else
ret = wc_Des3_EcbDecrypt(&ctx->cipher.des3, out, in, inl);
break;
#endif
#endif
#ifndef NO_RC4
case WC_ARC4_TYPE:
wc_Arc4Process(&ctx->cipher.arc4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_ECB)
case WC_SM4_ECB_TYPE:
if (ctx->enc)
wc_Sm4EcbEncrypt(&ctx->cipher.sm4, out, in, inl);
else
wc_Sm4EcbDecrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_CBC)
case WC_SM4_CBC_TYPE:
if (ctx->enc)
wc_Sm4CbcEncrypt(&ctx->cipher.sm4, out, in, inl);
else
wc_Sm4CbcDecrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
#if defined(WOLFSSL_SM4_CTR)
case WC_SM4_CTR_TYPE:
wc_Sm4CtrEncrypt(&ctx->cipher.sm4, out, in, inl);
break;
#endif
default:
ret = WOLFSSL_FAILURE;
}
(void)in;
(void)inl;
(void)out;
return (ret == 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
#if defined(HAVE_AESGCM) || defined(WOLFSSL_SM4_GCM)
#if defined(WOLFSSL_SM4_GCM) || !defined(WOLFSSL_AESGCM_STREAM)
static int wolfSSL_EVP_CipherUpdate_GCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl) {
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}
}
return 0;
}
#endif /* WOLFSSL_AESGCM_STREAM */
static int wolfSSL_EVP_CipherUpdate_GCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
const unsigned char *in, int inLen)
{
word32 inl = (word32)inLen;
#if defined(WOLFSSL_SM4_GCM) || !defined(WOLFSSL_AESGCM_STREAM)
#if defined(WOLFSSL_SM4_GCM) && defined(WOLFSSL_AESGCM_STREAM)
if (ctx->cipherType == WC_SM4_GCM_TYPE)
#endif
{
int ret = 0;
*outl = inl;
if (out) {
/* Buffer input for one-shot API */
if (inl > 0) {
byte* tmp;
if ((int)inl > INT_MAX - ctx->authBufferLen) {
return MEMORY_E;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authBuffer, (size_t)ctx->authBufferLen);
XFREE(ctx->authBuffer, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authBuffer = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authBuffer,
(size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
XMEMCPY(tmp + ctx->authBufferLen, in, (size_t)inl);
ctx->authBufferLen += inl;
ctx->authBuffer = tmp;
*outl = 0;
}
else {
ret = MEMORY_E;
}
}
}
else {
ret = wolfSSL_EVP_CipherUpdate_GCM_AAD(ctx, in, inl);
}
if (ret != 0) {
*outl = 0;
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif
#if defined(WOLFSSL_SM4_GCM) && defined(WOLFSSL_AESGCM_STREAM)
else
#endif
#if defined(WOLFSSL_AESGCM_STREAM)
{
int ret;
/* When out is NULL then this is AAD. */
if (out == NULL) {
if (ctx->enc) {
ret = wc_AesGcmEncryptUpdate(&ctx->cipher.aes, NULL, NULL, 0,
in, inl);
}
else {
ret = wc_AesGcmDecryptUpdate(&ctx->cipher.aes, NULL, NULL, 0,
in, inl);
}
}
/* When out is not NULL then this is plaintext/cipher text. */
else {
if (ctx->enc) {
ret = wc_AesGcmEncryptUpdate(&ctx->cipher.aes, out, in, inl,
NULL, 0);
}
else {
ret = wc_AesGcmDecryptUpdate(&ctx->cipher.aes, out, in, inl,
NULL, 0);
}
}
*outl = (int)inl;
if (ret == 0) {
ret = WOLFSSL_SUCCESS;
}
else {
ret = WOLFSSL_FAILURE;
}
return ret;
}
#endif /* WOLFSSL_AESGCM_STREAM */
}
#endif /* HAVE_AESGCM || WOLFSSL_SM4_GCM */
#if defined(HAVE_AESCCM) || defined(WOLFSSL_SM4_CCM)
static int wolfSSL_EVP_CipherUpdate_CCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl) {
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}
}
return 0;
}
static int wolfSSL_EVP_CipherUpdate_CCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
const unsigned char *in, int inl)
{
int ret = 0;
*outl = inl;
if (out) {
/* Buffer input for one-shot API */
if (inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authBufferLen) {
return MEMORY_E;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authBuffer, (size_t)ctx->authBufferLen);
XFREE(ctx->authBuffer, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authBuffer = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authBuffer,
(size_t)(ctx->authBufferLen + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
XMEMCPY(tmp + ctx->authBufferLen, in, (size_t)inl);
ctx->authBufferLen += inl;
ctx->authBuffer = tmp;
*outl = 0;
}
else {
ret = MEMORY_E;
}
}
}
else {
ret = wolfSSL_EVP_CipherUpdate_CCM_AAD(ctx, in, inl);
}
if (ret != 0) {
*outl = 0;
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif /* HAVE_AESCCM || WOLFSSL_SM4_CCM */
#if defined(HAVE_ARIA)
static int wolfSSL_EVP_CipherUpdate_AriaGCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl)
{
if (in && inl > 0) {
byte* tmp;
if (inl > INT_MAX - ctx->authInSz) {
WOLFSSL_MSG("AuthIn overflow");
return BAD_FUNC_ARG;
}
#ifdef WOLFSSL_NO_REALLOC
tmp = (byte*)XMALLOC((size_t)(ctx->authInSz + inl), NULL,
DYNAMIC_TYPE_OPENSSL);
if (tmp != NULL) {
XMEMCPY(tmp, ctx->authIn, (size_t)ctx->authInSz);
XFREE(ctx->authIn, NULL, DYNAMIC_TYPE_OPENSSL);
ctx->authIn = NULL;
}
#else
tmp = (byte*)XREALLOC(ctx->authIn,
(size_t)(ctx->authInSz + inl), NULL, DYNAMIC_TYPE_OPENSSL);
#endif
if (tmp) {
ctx->authIn = tmp;
XMEMCPY(ctx->authIn + ctx->authInSz, in, (size_t)inl);
ctx->authInSz += inl;
}
else {
WOLFSSL_MSG("realloc error");
return MEMORY_E;
}