static
void blake_small_compress(uint32_t* v,const void* m){
uint8_t r,i;
- uint8_t s0, s1;
+ uint16_t s, *p=(uint16_t*)blake_sigma;
union {
uint32_t v32;
uint8_t v8[4];
} idx;
- for(r=0; r<10; ++r){
+ for(r=0; r<14; ++r){
for(i=0; i<8; ++i){
idx.v32 = ((uint32_t*)blake_index_lut)[i];
- s0 = blake_sigma[16*r+2*i+0];
- s1 = blake_sigma[16*r+2*i+1];
- A += B + (((uint32_t*)m)[s0] ^ blake_c[s1]);
+ s = *p++;
+ if(p==(uint16_t*)(blake_sigma+160)){
+ p=(uint16_t*)blake_sigma;
+ }
+ A += B + (((uint32_t*)m)[s&0xff] ^ blake_c[s>>8]);
D = ROTR32(A^D, 16);
C += D;
B = ROTR32(B^C, 12);
- A += B + (((uint32_t*)m)[s1] ^ blake_c[s0]);
+ A += B + (((uint32_t*)m)[s>>8] ^ blake_c[s&0xff]);
D = ROTR32(A^D, 8);
C += D;
B = ROTR32(B^C, 7);
msg = (uint8_t*)msg + BLAKE_SMALL_BLOCKSIZE_B;
length_b -= BLAKE_SMALL_BLOCKSIZE;
}
- uint8_t buffer[64];
+ union {
+ uint8_t v8[64];
+ uint32_t v32[16];
+ uint64_t v64[ 8];
+ } buffer;
uint32_t v[16];
union {
uint64_t v64;
uint32_t v32[2];
}ctr;
ctr.v64 = ctx->counter*512+length_b;
- memset(buffer, 0, 64);
- memcpy(buffer, msg, (length_b+7)/8);
- buffer[length_b/8] |= 0x80 >> (length_b&0x7);
- blake_small_changeendian(buffer, buffer);
+ memset(buffer.v8, 0, 64);
+ memcpy(buffer.v8, msg, (length_b+7)/8);
+ buffer.v8[length_b/8] |= 0x80 >> (length_b&0x7);
+ blake_small_changeendian(buffer.v8, buffer.v8);
blake_small_expand(v, ctx);
if(length_b>512-64-2){
v[12] ^= ctr.v32[0];
v[13] ^= ctr.v32[0];
v[14] ^= ctr.v32[1];
v[15] ^= ctr.v32[1];
- blake_small_compress(v, buffer);
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
- memset(buffer, 0, 64-8);
+ memset(buffer.v8, 0, 64-8);
blake_small_expand(v, ctx);
}else{
if(length_b){
}
}
if(ctx->appendone)
- buffer[64-8-4] |= 0x01;
- *((uint32_t*)(&(buffer[64-8]))) = ctr.v32[1];
- *((uint32_t*)(&(buffer[64-4]))) = ctr.v32[0];
- blake_small_compress(v, buffer);
+ buffer.v8[64-8-4] |= 0x01;
+ buffer.v32[14] = ctr.v32[1];
+ buffer.v32[15] = ctr.v32[0];
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
}
static const
-uint32_t blake32_iv[] = {
+uint32_t blake256_iv[] = {
0x6A09E667L, 0xBB67AE85,
0x3C6EF372L, 0xA54FF53A,
0x510E527FL, 0x9B05688C,
0x1F83D9ABL, 0x5BE0CD19
};
-void blake32_init(blake32_ctx_t* ctx){
+void blake256_init(blake256_ctx_t* ctx){
uint8_t i;
for(i=0; i<8; ++i){
- ctx->h[i] = blake32_iv[i];
+ ctx->h[i] = blake256_iv[i];
}
memset(ctx->s, 0, 4*4);
ctx->counter = 0;
}
static const
-uint32_t blake28_iv[] = {
+uint32_t blake224_iv[] = {
0xC1059ED8, 0x367CD507,
0x3070DD17, 0xF70E5939,
0xFFC00B31, 0x68581511,
0x64F98FA7, 0xBEFA4FA4
};
-void blake28_init(blake28_ctx_t* ctx){
+void blake224_init(blake224_ctx_t* ctx){
uint8_t i;
for(i=0; i<8; ++i){
- ctx->h[i] = blake28_iv[i];
+ ctx->h[i] = blake224_iv[i];
}
memset(ctx->s, 0, 4*4);
ctx->counter = 0;
ctx->appendone = 0;
}
-void blake32_ctx2hash(void* dest, const blake32_ctx_t* ctx){
+void blake256_ctx2hash(void* dest, const blake256_ctx_t* ctx){
uint8_t i;
for(i=0; i<8; ++i){
((uint32_t*)dest)[i] = CHANGE_ENDIAN32(ctx->h[i]);
}
}
-void blake28_ctx2hash(void* dest, const blake28_ctx_t* ctx){
+void blake224_ctx2hash(void* dest, const blake224_ctx_t* ctx){
uint8_t i;
for(i=0; i<7; ++i){
((uint32_t*)dest)[i] = CHANGE_ENDIAN32(ctx->h[i]);
}
}
-void blake32_nextBlock(blake32_ctx_t* ctx, const void* block){
+void blake256_nextBlock(blake256_ctx_t* ctx, const void* block){
blake_small_nextBlock(ctx, block);
}
-void blake28_nextBlock(blake28_ctx_t* ctx, const void* block){
+void blake224_nextBlock(blake224_ctx_t* ctx, const void* block){
blake_small_nextBlock(ctx, block);
}
-void blake32_lastBlock(blake32_ctx_t* ctx, const void* block, uint16_t length_b){
+void blake256_lastBlock(blake256_ctx_t* ctx, const void* block, uint16_t length_b){
blake_small_lastBlock(ctx, block, length_b);
}
-void blake28_lastBlock(blake28_ctx_t* ctx, const void* block, uint16_t length_b){
+void blake224_lastBlock(blake224_ctx_t* ctx, const void* block, uint16_t length_b){
blake_small_lastBlock(ctx, block, length_b);
}
-void blake32(void* dest, const void* msg, uint32_t length_b){
+void blake256(void* dest, const void* msg, uint32_t length_b){
blake_small_ctx_t ctx;
- blake32_init(&ctx);
+ blake256_init(&ctx);
while(length_b>=BLAKE_SMALL_BLOCKSIZE){
blake_small_nextBlock(&ctx, msg);
msg = (uint8_t*)msg + BLAKE_SMALL_BLOCKSIZE_B;
length_b -= BLAKE_SMALL_BLOCKSIZE;
}
blake_small_lastBlock(&ctx, msg, length_b);
- blake32_ctx2hash(dest, &ctx);
+ blake256_ctx2hash(dest, &ctx);
}
-void blake28(void* dest, const void* msg, uint32_t length_b){
+void blake224(void* dest, const void* msg, uint32_t length_b){
blake_small_ctx_t ctx;
- blake28_init(&ctx);
+ blake224_init(&ctx);
while(length_b>=BLAKE_SMALL_BLOCKSIZE){
blake_small_nextBlock(&ctx, msg);
msg = (uint8_t*)msg + BLAKE_SMALL_BLOCKSIZE_B;
length_b -= BLAKE_SMALL_BLOCKSIZE;
}
blake_small_lastBlock(&ctx, msg, length_b);
- blake28_ctx2hash(dest, &ctx);
+ blake224_ctx2hash(dest, &ctx);
}