#include <openssl/objects.h>
#include <openssl/aes.h>
#include <openssl/sha.h>
+#include <openssl/rand.h>
+#include "modes_lcl.h"
#ifndef EVP_CIPH_FLAG_AEAD_CIPHER
#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
#define EVP_CIPH_FLAG_DEFAULT_ASN1 0
#endif
+#if !defined(EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)
+#define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0
+#endif
+
#define TLS1_1_VERSION 0x0302
typedef struct
defined(_M_AMD64) || defined(_M_X64) || \
defined(__INTEL__) )
-#if defined(__GNUC__) && __GNUC__>=2 && !defined(PEDANTIC)
-# define BSWAP(x) ({ unsigned int r=(x); asm ("bswapl %0":"=r"(r):"0"(r)); r; })
-#endif
-
extern unsigned int OPENSSL_ia32cap_P[3];
-#define AESNI_AVX_CAPABLE (1<<(57-32)|1<<(60-32))
+#define AESNI_CAPABLE (1<<(57-32))
int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
AES_KEY *key);
#endif
#define SHA256_Update sha256_update
+#if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
+
+typedef struct { unsigned int A[8],B[8],C[8],D[8],E[8],F[8],G[8],H[8]; } SHA256_MB_CTX;
+typedef struct { const unsigned char *ptr; int blocks; } HASH_DESC;
+
+void sha256_multi_block(SHA256_MB_CTX *,const HASH_DESC *,int);
+
+typedef struct { const unsigned char *inp; unsigned char *out;
+ int blocks; u64 iv[2]; } CIPH_DESC;
+
+void aesni_multi_cbc_encrypt(CIPH_DESC *,void *,int);
+
+static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key,
+ unsigned char *out, const unsigned char *inp, size_t inp_len,
+ int n4x) /* n4x is 1 or 2 */
+{
+ HASH_DESC hash_d[8], edges[8];
+ CIPH_DESC ciph_d[8];
+ unsigned char storage[sizeof(SHA256_MB_CTX)+32];
+ union { u64 q[16];
+ u32 d[32];
+ u8 c[128]; } blocks[8];
+ SHA256_MB_CTX *ctx;
+ unsigned int frag, last, packlen, i, x4=4*n4x, minblocks, processed=0;
+ size_t ret = 0;
+ u8 *IVs;
+#if defined(BSWAP8)
+ u64 seqnum;
+#endif
+
+ if (RAND_bytes((IVs=blocks[0].c),16*x4)<=0) /* ask for IVs in bulk */
+ return 0;
+
+ ctx = (SHA256_MB_CTX *)(storage+32-((size_t)storage%32)); /* align */
+
+ frag = (unsigned int)inp_len>>(1+n4x);
+ last = (unsigned int)inp_len+frag-(frag<<(1+n4x));
+ if (last>frag && ((last+13+9)%64)<(x4-1)) {
+ frag++;
+ last -= x4-1;
+ }
+
+ packlen = 5+16+((frag+32+16)&-16);
+
+ /* populate descriptors with pointers and IVs */
+ hash_d[0].ptr = inp;
+ ciph_d[0].inp = inp;
+ ciph_d[0].out = out+5+16; /* 5+16 is place for header and explicit IV */
+ memcpy(ciph_d[0].out-16,IVs,16);
+ memcpy(ciph_d[0].iv,IVs,16); IVs += 16;
+
+ for (i=1;i<x4;i++) {
+ ciph_d[i].inp = hash_d[i].ptr = hash_d[i-1].ptr+frag;
+ ciph_d[i].out = ciph_d[i-1].out+packlen;
+ memcpy(ciph_d[i].out-16,IVs,16);
+ memcpy(ciph_d[i].iv,IVs,16); IVs+=16;
+ }
+
+#if defined(BSWAP8)
+ memcpy(blocks[0].c,key->md.data,8);
+ seqnum = BSWAP8(blocks[0].q[0]);
+#endif
+ for (i=0;i<x4;i++) {
+ unsigned int len = (i==(x4-1)?last:frag);
+#if !defined(BSWAP8)
+ unsigned int carry, j;
+#endif
+
+ ctx->A[i] = key->md.h[0];
+ ctx->B[i] = key->md.h[1];
+ ctx->C[i] = key->md.h[2];
+ ctx->D[i] = key->md.h[3];
+ ctx->E[i] = key->md.h[4];
+ ctx->F[i] = key->md.h[5];
+ ctx->G[i] = key->md.h[6];
+ ctx->H[i] = key->md.h[7];
+
+ /* fix seqnum */
+#if defined(BSWAP8)
+ blocks[i].q[0] = BSWAP8(seqnum+i);
+#else
+ for (carry=i,j=8;j--;) {
+ blocks[i].c[j] = ((u8*)key->md.data)[j]+carry;
+ carry = (blocks[i].c[j]-carry)>>(sizeof(carry)*8-1);
+ }
+#endif
+ blocks[i].c[8] = ((u8*)key->md.data)[8];
+ blocks[i].c[9] = ((u8*)key->md.data)[9];
+ blocks[i].c[10] = ((u8*)key->md.data)[10];
+ /* fix length */
+ blocks[i].c[11] = (u8)(len>>8);
+ blocks[i].c[12] = (u8)(len);
+
+ memcpy(blocks[i].c+13,hash_d[i].ptr,64-13);
+ hash_d[i].ptr += 64-13;
+ hash_d[i].blocks = (len-(64-13))/64;
+
+ edges[i].ptr = blocks[i].c;
+ edges[i].blocks = 1;
+ }
+
+ /* hash 13-byte headers and first 64-13 bytes of inputs */
+ sha256_multi_block(ctx,edges,n4x);
+ /* hash bulk inputs */
+#define MAXCHUNKSIZE 2048
+#if MAXCHUNKSIZE%64
+#error "MAXCHUNKSIZE is not divisible by 64"
+#elif MAXCHUNKSIZE
+ /* goal is to minimize pressure on L1 cache by moving
+ * in shorter steps, so that hashed data is still in
+ * the cache by the time we encrypt it */
+ minblocks = ((frag<=last ? frag : last)-(64-13))/64;
+ if (minblocks>MAXCHUNKSIZE/64) {
+ for (i=0;i<x4;i++) {
+ edges[i].ptr = hash_d[i].ptr;
+ edges[i].blocks = MAXCHUNKSIZE/64;
+ ciph_d[i].blocks = MAXCHUNKSIZE/16;
+ }
+ do {
+ sha256_multi_block(ctx,edges,n4x);
+ aesni_multi_cbc_encrypt(ciph_d,&key->ks,n4x);
+
+ for (i=0;i<x4;i++) {
+ edges[i].ptr = hash_d[i].ptr += MAXCHUNKSIZE;
+ hash_d[i].blocks -= MAXCHUNKSIZE/64;
+ edges[i].blocks = MAXCHUNKSIZE/64;
+ ciph_d[i].inp += MAXCHUNKSIZE;
+ ciph_d[i].out += MAXCHUNKSIZE;
+ ciph_d[i].blocks = MAXCHUNKSIZE/16;
+ memcpy(ciph_d[i].iv,ciph_d[i].out-16,16);
+ }
+ processed += MAXCHUNKSIZE;
+ minblocks -= MAXCHUNKSIZE/64;
+ } while (minblocks>MAXCHUNKSIZE/64);
+ }
+#endif
+#undef MAXCHUNKSIZE
+ sha256_multi_block(ctx,hash_d,n4x);
+
+ memset(blocks,0,sizeof(blocks));
+ for (i=0;i<x4;i++) {
+ unsigned int len = (i==(x4-1)?last:frag),
+ off = hash_d[i].blocks*64;
+ const unsigned char *ptr = hash_d[i].ptr+off;
+
+ off = (len-processed)-(64-13)-off; /* remainder actually */
+ memcpy(blocks[i].c,ptr,off);
+ blocks[i].c[off]=0x80;
+ len += 64+13; /* 64 is HMAC header */
+ len *= 8; /* convert to bits */
+ if (off<(64-8)) {
+#ifdef BSWAP4
+ blocks[i].d[15] = BSWAP4(len);
+#else
+ PUTU32(blocks[i].c+60,len);
+#endif
+ edges[i].blocks = 1;
+ } else {
+#ifdef BSWAP4
+ blocks[i].d[31] = BSWAP4(len);
+#else
+ PUTU32(blocks[i].c+124,len);
+#endif
+ edges[i].blocks = 2;
+ }
+ edges[i].ptr = blocks[i].c;
+ }
+
+ /* hash input tails and finalize */
+ sha256_multi_block(ctx,edges,n4x);
+
+ memset(blocks,0,sizeof(blocks));
+ for (i=0;i<x4;i++) {
+#ifdef BSWAP4
+ blocks[i].d[0] = BSWAP4(ctx->A[i]); ctx->A[i] = key->tail.h[0];
+ blocks[i].d[1] = BSWAP4(ctx->B[i]); ctx->B[i] = key->tail.h[1];
+ blocks[i].d[2] = BSWAP4(ctx->C[i]); ctx->C[i] = key->tail.h[2];
+ blocks[i].d[3] = BSWAP4(ctx->D[i]); ctx->D[i] = key->tail.h[3];
+ blocks[i].d[4] = BSWAP4(ctx->E[i]); ctx->E[i] = key->tail.h[4];
+ blocks[i].d[5] = BSWAP4(ctx->F[i]); ctx->F[i] = key->tail.h[5];
+ blocks[i].d[6] = BSWAP4(ctx->G[i]); ctx->G[i] = key->tail.h[6];
+ blocks[i].d[7] = BSWAP4(ctx->H[i]); ctx->H[i] = key->tail.h[7];
+ blocks[i].c[32] = 0x80;
+ blocks[i].d[15] = BSWAP4((64+32)*8);
+#else
+ PUTU32(blocks[i].c+0,ctx->A[i]); ctx->A[i] = key->tail.h[0];
+ PUTU32(blocks[i].c+4,ctx->B[i]); ctx->B[i] = key->tail.h[1];
+ PUTU32(blocks[i].c+8,ctx->C[i]); ctx->C[i] = key->tail.h[2];
+ PUTU32(blocks[i].c+12,ctx->D[i]); ctx->D[i] = key->tail.h[3];
+ PUTU32(blocks[i].c+16,ctx->E[i]); ctx->E[i] = key->tail.h[4];
+ PUTU32(blocks[i].c+20,ctx->F[i]); ctx->F[i] = key->tail.h[5];
+ PUTU32(blocks[i].c+24,ctx->G[i]); ctx->G[i] = key->tail.h[6];
+ PUTU32(blocks[i].c+28,ctx->H[i]); ctx->H[i] = key->tail.h[7];
+ blocks[i].c[32] = 0x80;
+ PUTU32(blocks[i].c+60,(64+32)*8);
+#endif
+ edges[i].ptr = blocks[i].c;
+ edges[i].blocks = 1;
+ }
+
+ /* finalize MACs */
+ sha256_multi_block(ctx,edges,n4x);
+
+ for (i=0;i<x4;i++) {
+ unsigned int len = (i==(x4-1)?last:frag), pad, j;
+ unsigned char *out0 = out;
+
+ memcpy(ciph_d[i].out,ciph_d[i].inp,len-processed);
+ ciph_d[i].inp = ciph_d[i].out;
+
+ out += 5+16+len;
+
+ /* write MAC */
+ PUTU32(out+0,ctx->A[i]);
+ PUTU32(out+4,ctx->B[i]);
+ PUTU32(out+8,ctx->C[i]);
+ PUTU32(out+12,ctx->D[i]);
+ PUTU32(out+16,ctx->E[i]);
+ PUTU32(out+20,ctx->F[i]);
+ PUTU32(out+24,ctx->G[i]);
+ PUTU32(out+28,ctx->H[i]);
+ out += 32;
+ len += 32;
+
+ /* pad */
+ pad = 15-len%16;
+ for (j=0;j<=pad;j++) *(out++) = pad;
+ len += pad+1;
+
+ ciph_d[i].blocks = (len-processed)/16;
+ len += 16; /* account for explicit iv */
+
+ /* arrange header */
+ out0[0] = ((u8*)key->md.data)[8];
+ out0[1] = ((u8*)key->md.data)[9];
+ out0[2] = ((u8*)key->md.data)[10];
+ out0[3] = (u8)(len>>8);
+ out0[4] = (u8)(len);
+
+ ret += len+5;
+ inp += frag;
+ }
+
+ aesni_multi_cbc_encrypt(ciph_d,&key->ks,n4x);
+
+ OPENSSL_cleanse(blocks,sizeof(blocks));
+ OPENSSL_cleanse(ctx,sizeof(*ctx));
+
+ return ret;
+}
+#endif
+
static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
iv = AES_BLOCK_SIZE;
#if defined(STITCHED_CALL)
- if (plen>(sha_off+iv) && (blocks=(plen-(sha_off+iv))/SHA256_CBLOCK)) {
+ if (OPENSSL_ia32cap_P[1]&(1<<(60-32)) && /* AVX? */
+ plen>(sha_off+iv) &&
+ (blocks=(plen-(sha_off+iv))/SHA256_CBLOCK)) {
SHA256_Update(&key->md,in+iv,sha_off);
(void)aesni_cbc_sha256_enc(in,out,blocks,&key->ks,
aesni_cbc_encrypt(in,out,len,
&key->ks,ctx->iv,0);
- if (plen) { /* "TLS" mode of operation */
+ if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
size_t inp_len, mask, j, i;
unsigned int res, maxpad, pad, bitlen;
int ret = 1;
/* but pretend as if we hashed padded payload */
bitlen = key->md.Nl+(inp_len<<3); /* at most 18 bits */
-#ifdef BSWAP
- bitlen = BSWAP(bitlen);
+#ifdef BSWAP4
+ bitlen = BSWAP4(bitlen);
#else
mac.c[0] = 0;
mac.c[1] = (unsigned char)(bitlen>>16);
pmac->u[6] |= key->md.h[6] & mask;
pmac->u[7] |= key->md.h[7] & mask;
-#ifdef BSWAP
- pmac->u[0] = BSWAP(pmac->u[0]);
- pmac->u[1] = BSWAP(pmac->u[1]);
- pmac->u[2] = BSWAP(pmac->u[2]);
- pmac->u[3] = BSWAP(pmac->u[3]);
- pmac->u[4] = BSWAP(pmac->u[4]);
- pmac->u[5] = BSWAP(pmac->u[5]);
- pmac->u[6] = BSWAP(pmac->u[6]);
- pmac->u[7] = BSWAP(pmac->u[7]);
+#ifdef BSWAP4
+ pmac->u[0] = BSWAP4(pmac->u[0]);
+ pmac->u[1] = BSWAP4(pmac->u[1]);
+ pmac->u[2] = BSWAP4(pmac->u[2]);
+ pmac->u[3] = BSWAP4(pmac->u[3]);
+ pmac->u[4] = BSWAP4(pmac->u[4]);
+ pmac->u[5] = BSWAP4(pmac->u[5]);
+ pmac->u[6] = BSWAP4(pmac->u[6]);
+ pmac->u[7] = BSWAP4(pmac->u[7]);
#else
- for (i=0;i<8;;i++) {
+ for (i=0;i<8;i++) {
res = pmac->u[i];
pmac->c[4*i+0]=(unsigned char)(res>>24);
pmac->c[4*i+1]=(unsigned char)(res>>16);
static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
{
EVP_AES_HMAC_SHA256 *key = data(ctx);
+ unsigned int u_arg = (unsigned int)arg;
switch (type)
{
memset (hmac_key,0,sizeof(hmac_key));
- if (arg > (int)sizeof(hmac_key)) {
+ if (arg < 0)
+ return -1;
+
+ if (u_arg > sizeof(hmac_key)) {
SHA256_Init(&key->head);
SHA256_Update(&key->head,ptr,arg);
SHA256_Final(hmac_key,&key->head);
return SHA256_DIGEST_LENGTH;
}
}
+#if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE:
+ return (int)(5+16+((arg+32+16)&-16));
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_AAD:
+ {
+ EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param =
+ (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *)ptr;
+ unsigned int n4x=1, x4;
+ unsigned int frag, last, packlen, inp_len;
+
+ if (arg < 0)
+ return -1;
+
+ if (u_arg < sizeof(EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM)) return -1;
+
+ inp_len = param->inp[11]<<8|param->inp[12];
+
+ if (ctx->encrypt)
+ {
+ if ((param->inp[9]<<8|param->inp[10]) < TLS1_1_VERSION)
+ return -1;
+
+ if (inp_len)
+ {
+ if (inp_len<4096) return 0; /* too short */
+
+ if (inp_len>=8192 && OPENSSL_ia32cap_P[2]&(1<<5))
+ n4x=2; /* AVX2 */
+ }
+ else if ((n4x=param->interleave/4) && n4x<=2)
+ inp_len = param->len;
+ else
+ return -1;
+
+ key->md = key->head;
+ SHA256_Update(&key->md,param->inp,13);
+
+ x4 = 4*n4x; n4x += 1;
+
+ frag = inp_len>>n4x;
+ last = inp_len+frag-(frag<<n4x);
+ if (last>frag && ((last+13+9)%64<(x4-1))) {
+ frag++;
+ last -= x4-1;
+ }
+
+ packlen = 5+16+((frag+32+16)&-16);
+ packlen = (packlen<<n4x)-packlen;
+ packlen += 5+16+((last+32+16)&-16);
+
+ param->interleave = x4;
+
+ return (int)packlen;
+ }
+ else
+ return -1; /* not yet */
+ }
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT:
+ {
+ EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param =
+ (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *)ptr;
+
+ return (int)tls1_1_multi_block_encrypt(key,param->out,param->inp,
+ param->len,param->interleave/4);
+ }
+ case EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT:
+#endif
default:
return -1;
}
NID_undef,
#endif
16,16,16,
- EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|EVP_CIPH_FLAG_AEAD_CIPHER,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|
+ EVP_CIPH_FLAG_AEAD_CIPHER|EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
aesni_cbc_hmac_sha256_init_key,
aesni_cbc_hmac_sha256_cipher,
NULL,
NID_undef,
#endif
16,32,16,
- EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|EVP_CIPH_FLAG_AEAD_CIPHER,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_FLAG_DEFAULT_ASN1|
+ EVP_CIPH_FLAG_AEAD_CIPHER|EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK,
aesni_cbc_hmac_sha256_init_key,
aesni_cbc_hmac_sha256_cipher,
NULL,
const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void)
{
- return((OPENSSL_ia32cap_P[1]&AESNI_AVX_CAPABLE)==AESNI_AVX_CAPABLE &&
+ return((OPENSSL_ia32cap_P[1]&AESNI_CAPABLE) &&
aesni_cbc_sha256_enc(NULL,NULL,0,NULL,NULL,NULL,NULL) ?
&aesni_128_cbc_hmac_sha256_cipher:NULL);
}
const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void)
{
- return((OPENSSL_ia32cap_P[1]&AESNI_AVX_CAPABLE)==AESNI_AVX_CAPABLE &&
+ return((OPENSSL_ia32cap_P[1]&AESNI_CAPABLE) &&
aesni_cbc_sha256_enc(NULL,NULL,0,NULL,NULL,NULL,NULL)?
&aesni_256_cbc_hmac_sha256_cipher:NULL);
}
projects / openssl.git / blobdiff