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/*
* 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 <openssl/opensslconf.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <string.h>
#include <assert.h>
#include <openssl/aes.h>
#include "internal/evp_int.h"
#include "modes_lcl.h"
#include <openssl/rand.h>
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typedef struct {
union {
double align;
AES_KEY ks;
} ks;
block128_f block;
union {
cbc128_f cbc;
ctr128_f ctr;
} stream;
} EVP_AES_KEY;
typedef struct {
union {
double align;
AES_KEY ks;
} ks; /* AES key schedule to use */
int key_set; /* Set if key initialised */
int iv_set; /* Set if an iv is set */
GCM128_CONTEXT gcm;
unsigned char *iv; /* Temporary IV store */
int ivlen; /* IV length */
int taglen;
int iv_gen; /* It is OK to generate IVs */
int tls_aad_len; /* TLS AAD length */
ctr128_f ctr;
} EVP_AES_GCM_CTX;
typedef struct {
union {
double align;
AES_KEY ks;
} ks1, ks2; /* AES key schedules to use */
XTS128_CONTEXT xts;
void (*stream) (const unsigned char *in,
unsigned char *out, size_t length,
const AES_KEY *key1, const AES_KEY *key2,
const unsigned char iv[16]);
} EVP_AES_XTS_CTX;
typedef struct {
union {
double align;
AES_KEY ks;
} ks; /* AES key schedule to use */
int key_set; /* Set if key initialised */
int iv_set; /* Set if an iv is set */
int tag_set; /* Set if tag is valid */
int len_set; /* Set if message length set */
int L, M; /* L and M parameters from RFC3610 */
CCM128_CONTEXT ccm;
ccm128_f str;
} EVP_AES_CCM_CTX;
union {
double align;
AES_KEY ks;
} ksenc; /* AES key schedule to use for encryption */
union {
double align;
AES_KEY ks;
} ksdec; /* AES key schedule to use for decryption */
int key_set; /* Set if key initialised */
int iv_set; /* Set if an iv is set */
OCB128_CONTEXT ocb;
unsigned char *iv; /* Temporary IV store */
unsigned char tag[16];
unsigned char data_buf[16]; /* Store partial data blocks */
unsigned char aad_buf[16]; /* Store partial AAD blocks */
int data_buf_len;
int aad_buf_len;
int ivlen; /* IV length */
int taglen;
} EVP_AES_OCB_CTX;
#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
Andy Polyakov
committed
int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
void vpaes_encrypt(const unsigned char *in, unsigned char *out,
void vpaes_decrypt(const unsigned char *in, unsigned char *out,
void vpaes_cbc_encrypt(const unsigned char *in,
unsigned char *out,
size_t length,
const AES_KEY *key, unsigned char *ivec, int enc);
void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const AES_KEY *key,
unsigned char ivec[16], int enc);
void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
const unsigned char ivec[16]);
void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
size_t len, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char iv[16]);
void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
size_t len, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char iv[16]);
void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key,
const unsigned char ivec[AES_BLOCK_SIZE]);
void AES_xts_encrypt(const unsigned char *inp, unsigned char *out, size_t len,
const AES_KEY *key1, const AES_KEY *key2,
const unsigned char iv[16]);
void AES_xts_decrypt(const unsigned char *inp, unsigned char *out, size_t len,
const AES_KEY *key1, const AES_KEY *key2,
const unsigned char iv[16]);
#if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
# include "ppc_arch.h"
# ifdef VPAES_ASM
# define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
# define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
# define HWAES_set_encrypt_key aes_p8_set_encrypt_key
# define HWAES_set_decrypt_key aes_p8_set_decrypt_key
# define HWAES_encrypt aes_p8_encrypt
# define HWAES_decrypt aes_p8_decrypt
# define HWAES_cbc_encrypt aes_p8_cbc_encrypt
# define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
# define HWAES_xts_encrypt aes_p8_xts_encrypt
# define HWAES_xts_decrypt aes_p8_xts_decrypt
#if defined(AES_ASM) && !defined(I386_ONLY) && ( \
((defined(__i386) || defined(__i386__) || \
defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
defined(__x86_64) || defined(__x86_64__) || \
defined(_M_AMD64) || defined(_M_X64) )
# ifdef VPAES_ASM
# define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
# endif
# ifdef BSAES_ASM
# define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
# endif
Andy Polyakov
committed
/*
* AES-NI section
*/
# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
void aesni_encrypt(const unsigned char *in, unsigned char *out,
void aesni_decrypt(const unsigned char *in, unsigned char *out,
void aesni_ecb_encrypt(const unsigned char *in,
unsigned char *out,
size_t length, const AES_KEY *key, int enc);
void aesni_cbc_encrypt(const unsigned char *in,
unsigned char *out,
size_t length,
const AES_KEY *key, unsigned char *ivec, int enc);
void aesni_ctr32_encrypt_blocks(const unsigned char *in,
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