void testrun_stdtest_ubi1024(uint16_t outsize){ ubi1024_ctx_t ctx; skein_config_t conf; uint64_t iv[16]; uint8_t null[UBI1024_BLOCKSIZE_B]; cli_putstr_P(PSTR("\r\n\r\nTest vectors for UBI (1024 bits):")); memset(&conf, 0, sizeof(skein_config_t)); memset(null, 0, UBI1024_BLOCKSIZE_B); ubi1024_init(&ctx, null, UBI_TYPE_CFG); conf.schema[0] = 'S'; conf.schema[1] = 'H'; conf.schema[2] = 'A'; conf.schema[3] = '3'; conf.version = 1; conf.out_length = outsize; ubi1024_lastBlock(&ctx, &conf, 256); ubi1024_ctx2hash(iv, &ctx); cli_putstr_P(PSTR("\r\nIV: ")); cli_hexdump_rev(&(iv[0]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[1]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[2]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[3]), 8); cli_putstr_P(PSTR("\r\n ")); cli_hexdump_rev(&(iv[4]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[5]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[6]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[7]), 8); cli_putstr_P(PSTR("\r\n ")); cli_hexdump_rev(&(iv[8]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[9]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[10]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[11]), 8); cli_putstr_P(PSTR("\r\n ")); cli_hexdump_rev(&(iv[12]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[13]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[14]), 8); cli_putstr_P(PSTR(" ")); cli_hexdump_rev(&(iv[15]), 8); }
void skein1024_init(skein1024_ctx_t *ctx, uint16_t outsize_b){ skein_config_t conf; uint8_t null[UBI1024_BLOCKSIZE_B]; memset(null, 0, UBI1024_BLOCKSIZE_B); memset(&conf, 0, sizeof(skein_config_t)); conf.schema[0] = 'S'; conf.schema[1] = 'H'; conf.schema[2] = 'A'; conf.schema[3] = '3'; conf.version = 1; conf.out_length = outsize_b; ctx->outsize_b = outsize_b; ubi1024_init(&(ctx->ubictx), null, UBI_TYPE_CFG); ubi1024_lastBlock(&(ctx->ubictx), &conf, 256); ubi1024_init(&(ctx->ubictx), ctx->ubictx.g, UBI_TYPE_MSG); }
void skein1024_ctx2hash(void *dest, skein1024_ctx_t *ctx){ ubi1024_ctx_t uctx; uint16_t outsize_b; uint64_t counter=0; uint8_t outbuffer[UBI1024_BLOCKSIZE_B]; ubi1024_init(&(ctx->ubictx), ctx->ubictx.g, UBI_TYPE_OUT); outsize_b = ctx->outsize_b; while(1){ memcpy(&uctx, &(ctx->ubictx), sizeof(ubi1024_ctx_t)); ubi1024_lastBlock(&uctx, &counter, 64); ubi1024_ctx2hash(outbuffer, &uctx); if(outsize_b<=UBI1024_BLOCKSIZE){ memcpy(dest, outbuffer, (ctx->outsize_b+7)/8); break; }else{ memcpy(dest, outbuffer, UBI1024_BLOCKSIZE_B); dest = (uint8_t*)dest + UBI1024_BLOCKSIZE_B; outsize_b -= UBI1024_BLOCKSIZE; counter++; } } }
void skein1024_lastBlock(skein1024_ctx_t *ctx, const void *block, uint16_t length_b){ ubi1024_lastBlock(&(ctx->ubictx), block, length_b); }