#include "ubi.h"
#include "skein.h"
+#include "cli.h"
void skein256_init(skein256_ctx_t* ctx, uint16_t outsize_b){
skein_config_t conf;
ubi256_init(&(ctx->ubictx), ctx->ubictx.g, UBI_TYPE_MSG);
}
-void skein256_nextBlock(skein256_ctx_t* ctx, void* block){
+void skein256_nextBlock(skein256_ctx_t* ctx, const void* block){
ubi256_nextBlock(&(ctx->ubictx), block);
}
-void skein256_lastBlock(skein256_ctx_t* ctx, void* block, uint16_t length_b){
+void skein256_lastBlock(skein256_ctx_t* ctx, const void* block, uint16_t length_b){
ubi256_lastBlock(&(ctx->ubictx), block, length_b);
}
ubi256_init(&(ctx->ubictx), ctx->ubictx.g, UBI_TYPE_OUT);
outsize_b = ctx->outsize_b;
- while(outsize_b){
+ while(1){
memcpy(&uctx, &(ctx->ubictx), sizeof(ubi256_ctx_t));
ubi256_lastBlock(&uctx, &counter, 64);
ubi256_ctx2hash(outbuffer, &uctx);
- if(outsize_b<=UBI256_BLOCKSIZE_B){
- memcpy(dest, outbuffer, (ctx->outsize_b+7)/8);
- outsize_b=0;
+ if(outsize_b<=UBI256_BLOCKSIZE){
+ memcpy(dest, outbuffer, (outsize_b+7)/8);
+ break;
}else{
memcpy(dest, outbuffer, UBI256_BLOCKSIZE_B);
dest = (uint8_t*)dest + UBI256_BLOCKSIZE_B;
}
}
-
+void skein256(void* dest, uint16_t outlength_b,const void* msg, uint32_t length_b){
+ skein256_ctx_t ctx;
+ skein256_init(&ctx, outlength_b);
+ while(length_b>SKEIN256_BLOCKSIZE){
+ skein256_nextBlock(&ctx, msg);
+ msg = (uint8_t*)msg + SKEIN256_BLOCKSIZE_B;
+ length_b -= SKEIN256_BLOCKSIZE;
+ }
+ skein256_lastBlock(&ctx, msg, length_b);
+ skein256_ctx2hash(dest, &ctx);
+}