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e_aes.c
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e_aes.c
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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 <stdio.h>
#include <execinfo.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <openssl/aes.h>
#include "internal/evp_int.h"
#include "modes_lcl.h"
#include <openssl/rand.h>
#include "evp_locl.h"
#include "e_aes.h"
#include <memsep.h>
#include "memsep_eaes.h"
ERIM_BUILD_BRIDGE1(void*, erim_mallocIsolated, size_t);
ERIM_BUILD_BRIDGE1(void*, erim_zallocIsolated, size_t);
ERIM_BUILD_BRIDGE2(void*, erim_reallocIsolated, void*, size_t);
ERIM_BUILD_BRIDGE_VOID1(erim_freeIsolated, void*);
/*#ifdef ERIM_DBG
FILE * f = NULL;
#define DBG_PRT(...) \
do { \
if(f == NULL)\
f = fopen("run.out", "a");\
fprintf(f, __VA_ARGS__);\
fflush(f);\
} while(0)
void
prt_stack_trace(const char * name, void * data)
{
int j, nptrs;
void *buffer[100];
char **strings;
nptrs = backtrace(buffer, 100);
strings = backtrace_symbols(buffer, nptrs);
if (strings == NULL) {
perror("backtrace_symbols");
return;
}
if(!f)
f = fopen("run.out", "a");
DBG_PRT("stack trace for %s(%p):\n", name, data);
for (j = 0; j < nptrs; j++)
DBG_PRT("%s\n", strings[j]);
free(strings);
}
#else
*/
#define DBG_PRT(...)
#define prt_stack_trace(...)
//#endif
#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
#ifdef VPAES_ASM
int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
void vpaes_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void vpaes_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void vpaes_cbc_encrypt(const unsigned char *in,
unsigned char *out,
size_t length,
const AES_KEY *key, unsigned char *ivec, int enc);
#endif
#ifdef BSAES_ASM
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]);
#endif
#ifdef AES_CTR_ASM
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]);
#endif
#ifdef AES_XTS_ASM
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]);
#endif
#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)
# endif
# 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
#endif
#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) )
extern unsigned int OPENSSL_ia32cap_P[];
# 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
/*
* AES-NI section
*/
# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
void aesni_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void aesni_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
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,
unsigned char *out,
size_t blocks,
const void *key, const unsigned char *ivec);
void aesni_xts_encrypt(const unsigned char *in,
unsigned char *out,
size_t length,
const AES_KEY *key1, const AES_KEY *key2,
const unsigned char iv[16]);
void aesni_xts_decrypt(const unsigned char *in,
unsigned char *out,
size_t length,
const AES_KEY *key1, const AES_KEY *key2,
const unsigned char iv[16]);
void aesni_ccm64_encrypt_blocks(const unsigned char *in,
unsigned char *out,
size_t blocks,
const void *key,
const unsigned char ivec[16],
unsigned char cmac[16]);
void aesni_ccm64_decrypt_blocks(const unsigned char *in,
unsigned char *out,
size_t blocks,
const void *key,
const unsigned char ivec[16],
unsigned char cmac[16]);
# if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
size_t aesni_gcm_encrypt(const unsigned char *in,
unsigned char *out,
size_t len,
const void *key, unsigned char ivec[16], u64 *Xi);
# define AES_gcm_encrypt aesni_gcm_encrypt
size_t aesni_gcm_decrypt(const unsigned char *in,
unsigned char *out,
size_t len,
const void *key, unsigned char ivec[16], u64 *Xi);
# define AES_gcm_decrypt aesni_gcm_decrypt
void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
size_t len);
# define AES_GCM_ASM(gctx) (gctx->ctr==(ctr128_f)ERIM_BRIDGE_FCTPTR(aesni_ctr32_encrypt_blocks) && \
gctx->gcm.ghash==gcm_ghash_avx)
# define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)ERIM_BRIDGE_FCTPTR(aesni_encrypt) && \
gctx->gcm.ghash==gcm_ghash_avx)
# undef AES_GCM_ASM2 /* minor size optimization */
# endif
static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
/*
* MEMSEP get key allocation
*/
EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
int ret = 0, mode;
/*
* TODO CALL TO MEMSEP ALLOC BRIDGE
*/
dat->ks = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
DBG_PRT("allocated %p len %d\n", dat->ks, ctx->key_len);
if (dat->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
prt_stack_trace(__FUNCTION__, dat);
mode = EVP_CIPHER_CTX_mode(ctx);
if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) && !enc) {
ret = ERIM_BRIDGE_CALL(aesni_set_decrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
dat->ks);
dat->block = (block128_f) ERIM_BRIDGE_FCTPTR(aesni_decrypt);
dat->stream.cbc =
mode == EVP_CIPH_CBC_MODE ? (cbc128_f) aesni_cbc_encrypt : NULL;
} else {
ret = ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
dat->ks);
dat->block = (block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt);
if (mode == EVP_CIPH_CBC_MODE)
dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
else if (mode == EVP_CIPH_CTR_MODE)
dat->stream.ctr = (ctr128_f) ERIM_BRIDGE_FCTPTR(aesni_ctr32_encrypt_blocks);
else
dat->stream.cbc = NULL;
}
if (ret < 0) {
EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
return 0;
}
return 1;
}
static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
(void) ERIM_BRIDGE_CALL(aesni_cbc_encrypt, in, out, len, EVP_C_DATA(EVP_AES_KEY,ctx)->ks,
EVP_CIPHER_CTX_iv_noconst(ctx),
EVP_CIPHER_CTX_encrypting(ctx));
return 1;
}
static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
size_t bl = EVP_CIPHER_CTX_block_size(ctx);
if (len < bl)
return 1;
(void) ERIM_BRIDGE_CALL(aesni_ecb_encrypt, in, out, len, EVP_C_DATA(EVP_AES_KEY,ctx)->ks,
EVP_CIPHER_CTX_encrypting(ctx));
return 1;
}
# define aesni_ofb_cipher aes_ofb_cipher
static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aesni_cfb_cipher aes_cfb_cipher
static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aesni_cfb8_cipher aes_cfb8_cipher
static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aesni_cfb1_cipher aes_cfb1_cipher
static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aesni_ctr_cipher aes_ctr_cipher
static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
prt_stack_trace(__FUNCTION__, gctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
gctx->ks = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (gctx->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
(void) ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
gctx->ks);
CRYPTO_gcm128_init(&gctx->gcm, gctx->ks, (block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt));
gctx->ctr = (ctr128_f) ERIM_BRIDGE_FCTPTR(aesni_ctr32_encrypt_blocks);
/*
* If we have an iv can set it directly, otherwise use saved IV.
*/
if (iv == NULL && gctx->iv_set)
iv = gctx->iv;
if (iv) {
CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
gctx->iv_set = 1;
}
gctx->key_set = 1;
} else {
/* If key set use IV, otherwise copy */
if (gctx->key_set)
CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
else
memcpy(gctx->iv, iv, gctx->ivlen);
gctx->iv_set = 1;
gctx->iv_gen = 0;
}
return 1;
}
# define aesni_gcm_cipher aes_gcm_cipher
static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
prt_stack_trace(__FUNCTION__, xctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
xctx->ks1 = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (xctx->ks1 == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
/*
* MEMSEP get key allocation
*/
xctx->ks2 = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (xctx->ks2 == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
/* key_len is two AES keys */
if (enc) {
(void) ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 4,
xctx->ks1);
xctx->xts.block1 = (block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt);
xctx->stream = aesni_xts_encrypt;
} else {
(void) ERIM_BRIDGE_CALL(aesni_set_decrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 4,
xctx->ks1);
xctx->xts.block1 = (block128_f) ERIM_BRIDGE_FCTPTR(aesni_decrypt);
xctx->stream = aesni_xts_decrypt;
}
(void) ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key + EVP_CIPHER_CTX_key_length(ctx) / 2,
EVP_CIPHER_CTX_key_length(ctx) * 4,
xctx->ks2);
xctx->xts.block2 = (block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt);
xctx->xts.key1 = xctx->ks1;
}
if (iv) {
xctx->xts.key2 = xctx->ks2;
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
}
return 1;
}
# define aesni_xts_cipher aes_xts_cipher
static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
prt_stack_trace(__FUNCTION__, cctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
cctx->ks = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (cctx->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
(void) ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
cctx->ks);
CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
cctx->ks, (block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt));
cctx->str = enc ? (ccm128_f) ERIM_BRIDGE_FCTPTR(aesni_ccm64_encrypt_blocks) :
(ccm128_f) ERIM_BRIDGE_FCTPTR(aesni_ccm64_decrypt_blocks);
cctx->key_set = 1;
}
if (iv) {
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
cctx->iv_set = 1;
}
return 1;
}
# define aesni_ccm_cipher aes_ccm_cipher
static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# ifndef OPENSSL_NO_OCB
void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
size_t start_block_num,
unsigned char offset_i[16],
const unsigned char L_[][16],
unsigned char checksum[16]);
void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
size_t start_block_num,
unsigned char offset_i[16],
const unsigned char L_[][16],
unsigned char checksum[16]);
static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
prt_stack_trace(__FUNCTION__, octx);
if (!iv && !key)
return 1;
if(key) {
/*
* MEMSEP get key allocation
*/
octx->ksenc = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (octx->ksenc == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
/*
* MEMSEP get key allocation
*/
octx->ksdec = (AES_KEY*) ERIM_BRIDGE_CALL(erim_zallocIsolated, sizeof(AES_KEY));
if (octx->ksdec == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
do {
/*
* We set both the encrypt and decrypt key here because decrypt
* needs both. We could possibly optimise to remove setting the
* decrypt for an encryption operation.
*/
(void) ERIM_BRIDGE_CALL(aesni_set_encrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
octx->ksenc);
(void) ERIM_BRIDGE_CALL(aesni_set_decrypt_key, key, EVP_CIPHER_CTX_key_length(ctx) * 8,
octx->ksdec);
if (!CRYPTO_ocb128_init(&octx->ocb, octx->ksenc, octx->ksdec,
(block128_f) ERIM_BRIDGE_FCTPTR(aesni_encrypt),
(block128_f) ERIM_BRIDGE_FCTPTR(aesni_decrypt),
enc ? (ocb128_f) ERIM_BRIDGE_FCTPTR(aesni_ocb_encrypt)
: (ocb128_f)ERIM_BRIDGE_FCTPTR(aesni_ocb_decrypt)))
return 0;
}while (0);
/*
* If we have an iv we can set it directly, otherwise use saved IV.
*/
if (iv == NULL && octx->iv_set)
iv = octx->iv;
if (iv) {
if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
!= 1) {
return 0;
}
octx->iv_set = 1;
}
octx->key_set = 1;
return 1;
} else {
/* If key set use IV, otherwise copy */
if (octx->key_set)
CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
else
memcpy(octx->iv, iv, octx->ivlen);
octx->iv_set = 1;
}
return 1;
}
# define aesni_ocb_cipher aes_ocb_cipher
static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# endif /* OPENSSL_NO_OCB */
# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
static const EVP_CIPHER aesni_##keylen##_##mode = { \
nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
flags|EVP_CIPH_##MODE##_MODE, \
aesni_init_key, \
aesni_##mode##_cipher, \
aes_cleanup, \
sizeof(EVP_AES_KEY), \
NULL,NULL,aes_ctrl,NULL }; \
static const EVP_CIPHER aes_##keylen##_##mode = { \
nid##_##keylen##_##nmode,blocksize, \
keylen/8,ivlen, \
flags|EVP_CIPH_##MODE##_MODE, \
aes_init_key, \
aes_##mode##_cipher, \
aes_cleanup, \
sizeof(EVP_AES_KEY), \
NULL,NULL,aes_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
static const EVP_CIPHER aesni_##keylen##_##mode = { \
nid##_##keylen##_##mode,blocksize, \
(EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
flags|EVP_CIPH_##MODE##_MODE, \
aesni_##mode##_init_key, \
aesni_##mode##_cipher, \
aes_##mode##_cleanup, \
sizeof(EVP_AES_##MODE##_CTX), \
NULL,NULL,aes_##mode##_ctrl,NULL }; \
static const EVP_CIPHER aes_##keylen##_##mode = { \
nid##_##keylen##_##mode,blocksize, \
(EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
flags|EVP_CIPH_##MODE##_MODE, \
aes_##mode##_init_key, \
aes_##mode##_cipher, \
aes_##mode##_cleanup, \
sizeof(EVP_AES_##MODE##_CTX), \
NULL,NULL,aes_##mode##_ctrl,NULL }; \
const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
{ return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
#elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
# include "sparc_arch.h"
extern unsigned int OPENSSL_sparcv9cap_P[];
/*
* Initial Fujitsu SPARC64 X support
*/
# define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
# define HWAES_set_encrypt_key aes_fx_set_encrypt_key
# define HWAES_set_decrypt_key aes_fx_set_decrypt_key
# define HWAES_encrypt aes_fx_encrypt
# define HWAES_decrypt aes_fx_decrypt
# define HWAES_cbc_encrypt aes_fx_cbc_encrypt
# define HWAES_ctr32_encrypt_blocks aes_fx_ctr32_encrypt_blocks
# define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
const AES_KEY *key);
/*
* Key-length specific subroutines were chosen for following reason.
* Each SPARC T4 core can execute up to 8 threads which share core's
* resources. Loading as much key material to registers allows to
* minimize references to shared memory interface, as well as amount
* of instructions in inner loops [much needed on T4]. But then having
* non-key-length specific routines would require conditional branches
* either in inner loops or on subroutines' entries. Former is hardly
* acceptable, while latter means code size increase to size occupied
* by multiple key-length specific subroutines, so why fight?
*/
void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const AES_KEY *key,
unsigned char *ivec);
void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key,
unsigned char *ivec);
void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key,
unsigned char *ivec);
void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key,
unsigned char *ivec);
void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char *ivec);
void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char *ivec);
void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char *ivec);
void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
size_t blocks, const AES_KEY *key1,
const AES_KEY *key2, const unsigned char *ivec);
static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
int ret, mode, bits;
EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
/*
* MEMSEP get key allocation
*/
dat->ks = OPENSSL_zalloc(sizeof(AES_KEY));
if (dat->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
mode = EVP_CIPHER_CTX_mode(ctx);
bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
&& !enc) {
ret = 0;
aes_t4_set_decrypt_key(key, bits, dat->ks);
dat->block = (block128_f) aes_t4_decrypt;
switch (bits) {
case 128:
dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
(cbc128_f) aes128_t4_cbc_decrypt : NULL;
break;
case 192:
dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
(cbc128_f) aes192_t4_cbc_decrypt : NULL;
break;
case 256:
dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
(cbc128_f) aes256_t4_cbc_decrypt : NULL;
break;
default:
ret = -1;
}
} else {
ret = 0;
aes_t4_set_encrypt_key(key, bits, dat->ks);
dat->block = (block128_f) aes_t4_encrypt;
switch (bits) {
case 128:
if (mode == EVP_CIPH_CBC_MODE)
dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
else if (mode == EVP_CIPH_CTR_MODE)
dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
else
dat->stream.cbc = NULL;
break;
case 192:
if (mode == EVP_CIPH_CBC_MODE)
dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
else if (mode == EVP_CIPH_CTR_MODE)
dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
else
dat->stream.cbc = NULL;
break;
case 256:
if (mode == EVP_CIPH_CBC_MODE)
dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
else if (mode == EVP_CIPH_CTR_MODE)
dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
else
dat->stream.cbc = NULL;
break;
default:
ret = -1;
}
}
if (ret < 0) {
EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
return 0;
}
return 1;
}
# define aes_t4_cbc_cipher aes_cbc_cipher
static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_ecb_cipher aes_ecb_cipher
static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_ofb_cipher aes_ofb_cipher
static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_cfb_cipher aes_cfb_cipher
static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_cfb8_cipher aes_cfb8_cipher
static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_cfb1_cipher aes_cfb1_cipher
static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# define aes_t4_ctr_cipher aes_ctr_cipher
static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
gctx->ks = OPENSSL_zalloc(sizeof(AES_KEY));
if (gctx->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
aes_t4_set_encrypt_key(key, bits, gctx->ks);
CRYPTO_gcm128_init(&gctx->gcm, gctx->ks,
(block128_f) aes_t4_encrypt);
switch (bits) {
case 128:
gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
break;
case 192:
gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
break;
case 256:
gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
break;
default:
return 0;
}
/*
* If we have an iv can set it directly, otherwise use saved IV.
*/
if (iv == NULL && gctx->iv_set)
iv = gctx->iv;
if (iv) {
CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
gctx->iv_set = 1;
}
gctx->key_set = 1;
} else {
/* If key set use IV, otherwise copy */
if (gctx->key_set)
CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
else
memcpy(gctx->iv, iv, gctx->ivlen);
gctx->iv_set = 1;
gctx->iv_gen = 0;
}
return 1;
}
# define aes_t4_gcm_cipher aes_gcm_cipher
static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
xctx->ks1 = OPENSSL_zalloc(sizeof(AES_KEY));
if (xctx->ks1 == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
/*
* MEMSEP get key allocation
*/
xctx->ks2 = OPENSSL_zalloc(sizeof(AES_KEY));
if (xctx->ks2 == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
int bits = EVP_CIPHER_CTX_key_length(ctx) * 4;
xctx->stream = NULL;
/* key_len is two AES keys */
if (enc) {
aes_t4_set_encrypt_key(key, bits, xctx->ks1);
xctx->xts.block1 = (block128_f) aes_t4_encrypt;
switch (bits) {
case 128:
xctx->stream = aes128_t4_xts_encrypt;
break;
case 256:
xctx->stream = aes256_t4_xts_encrypt;
break;
default:
return 0;
}
} else {
aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
xctx->ks1);
xctx->xts.block1 = (block128_f) aes_t4_decrypt;
switch (bits) {
case 128:
xctx->stream = aes128_t4_xts_decrypt;
break;
case 256:
xctx->stream = aes256_t4_xts_decrypt;
break;
default:
return 0;
}
}
aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
EVP_CIPHER_CTX_key_length(ctx) * 4,
xctx->ks2);
xctx->xts.block2 = (block128_f) aes_t4_encrypt;
xctx->xts.key1 = &xctx->ks1;
}
if (iv) {
xctx->xts.key2 = xctx->ks2;
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
}
return 1;
}
# define aes_t4_xts_cipher aes_xts_cipher
static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
cctx->ks = OPENSSL_zalloc(sizeof(AES_KEY));
if (cctx->ks == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
aes_t4_set_encrypt_key(key, bits, cctx->ks);
CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
cctx->ks, (block128_f) aes_t4_encrypt);
cctx->str = NULL;
cctx->key_set = 1;
}
if (iv) {
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
cctx->iv_set = 1;
}
return 1;
}
# define aes_t4_ccm_cipher aes_ccm_cipher
static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len);
# ifndef OPENSSL_NO_OCB
static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
if (!iv && !key)
return 1;
/*
* MEMSEP get key allocation
*/
octx->ksenc = OPENSSL_zalloc(sizeof(AES_KEY));
if (octx->ksenc == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
/*
* MEMSEP get key allocation
*/
octx->ksdec = OPENSSL_zalloc(sizeof(AES_KEY));
if (octx->ksdec == NULL ) {
EVPerr(EVP_F_AESNI_INIT_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (key) {
do {
/*
* We set both the encrypt and decrypt key here because decrypt
* needs both. We could possibly optimise to remove setting the
* decrypt for an encryption operation.
*/
aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
octx->ksenc);
aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
octx->ksdec);
if (!CRYPTO_ocb128_init(&octx->ocb,
octx->ksenc, octx->ksdec,
(block128_f) aes_t4_encrypt,
(block128_f) aes_t4_decrypt,