]> git.cryptolib.org Git - avr-crypto-lib.git/blobdiff - bmw/bmw_small-cstub.c
even more asm fun for BMW
[avr-crypto-lib.git] / bmw / bmw_small-cstub.c
index 5b3414587ecd75b22b254a8df44b9ab184043323..3ace5e2a894e5aebd27adc44947c9366e4958ec8 100644 (file)
  #define dump_x(a,b,c)
 #endif
 
-void bmw_small_f1(uint32_t* q, const void* m, const void* h);
-void bmw_small_f0(uint32_t* h, const void* m, uint32_t* q);
-void bmw_small_f2(uint32_t* h, uint32_t* q, const void* m);
-void bmw_small_nextBlock(bmw_small_ctx_t* ctx, const void* block);
-
-/*
-void bmw_small_nextBlock(bmw_small_ctx_t* ctx, const void* block){
-       uint32_t q[32];
-       dump_x(block, 16, 'M');
-       bmw_small_f0(ctx->h, block, q);
-       dump_x(q, 16, 'Q');
-       bmw_small_f1(q, block, ctx->h);
-       dump_x(q, 32, 'Q');
-       bmw_small_f2(ctx->h, q, block);
-       ctx->counter += 1;
-       ctx_dump(ctx);
-}
-*/
-
-void bmw_small_lastBlock(bmw_small_ctx_t* ctx, const void* block, uint16_t length_b){
-       struct {
-               uint8_t  buffer[64];
-               uint32_t ctr;
-       } pctx;
-       while(length_b >= BMW_SMALL_BLOCKSIZE){
-               bmw_small_nextBlock(ctx, block);
-               length_b -= BMW_SMALL_BLOCKSIZE;
-               block = (uint8_t*)block + BMW_SMALL_BLOCKSIZE_B;
-       }
-       memset(pctx.buffer, 0, 64);
-       memcpy(pctx.buffer, block, (length_b+7)/8);
-       pctx.buffer[length_b>>3] |= 0x80 >> (length_b&0x07);
-       if(length_b+1>64*8-64){
-               bmw_small_nextBlock(ctx, pctx.buffer);
-               memset(pctx.buffer, 0, 64-8);
-               ctx->counter -= 1;
-       }
-       *((uint64_t*)&(pctx.buffer[64-8])) = (uint64_t)(ctx->counter*512LL)+(uint64_t)length_b;
-       bmw_small_nextBlock(ctx, pctx.buffer);
-       uint8_t i;
-       memset(pctx.buffer, 0xaa, 64);
-       for(i=0; i<16;++i){
-               pctx.buffer[i*4] = i+0xa0;
-       }
-       bmw_small_nextBlock((bmw_small_ctx_t*)&pctx, ctx->h);
-       memcpy(ctx->h, pctx.buffer, 64);
-}
-
-void bmw224_init(bmw224_ctx_t* ctx){
-       uint8_t i;
-       ctx->h[0] = 0x00010203;
-       for(i=1; i<16; ++i){
-               ctx->h[i] = ctx->h[i-1]+ 0x04040404;
-       }
-       ctx->counter=0;
-//     ctx_dump(ctx);
-}
-
-void bmw256_init(bmw256_ctx_t* ctx){
-       uint8_t i;
-       ctx->h[0] = 0x40414243;
-       for(i=1; i<16; ++i){
-               ctx->h[i] = ctx->h[i-1]+ 0x04040404;
-       }
-       ctx->counter=0;
-//     ctx_dump(ctx);
-}
-
-void bmw224_nextBlock(bmw224_ctx_t* ctx, const void* block){
-       bmw_small_nextBlock(ctx, block);
-}
-
-void bmw256_nextBlock(bmw256_ctx_t* ctx, const void* block){
-       bmw_small_nextBlock(ctx, block);
-}
-
-void bmw224_lastBlock(bmw224_ctx_t* ctx, const void* block, uint16_t length_b){
-       bmw_small_lastBlock(ctx, block, length_b);
-}
-
-void bmw256_lastBlock(bmw256_ctx_t* ctx, const void* block, uint16_t length_b){
-       bmw_small_lastBlock(ctx, block, length_b);
-}
-
-void bmw224_ctx2hash(void* dest, const bmw224_ctx_t* ctx){
-       memcpy(dest, &(ctx->h[9]), 224/8);
-}
-
-void bmw256_ctx2hash(void* dest, const bmw256_ctx_t* ctx){
-       memcpy(dest, &(ctx->h[8]), 256/8);
-}
 
 void bmw224(void* dest, const void* msg, uint32_t length_b){
        bmw_small_ctx_t ctx;