static
void one_in512_hash(uint16_t pos){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.blocksize_B];
uint16_t n=512;
char *tab[8] = { "80", "40", "20", "10",
"08", "04", "02", "01" };
pos&=511;
fputs_P(PSTR("\n message="), stdout);
fputs_P(PSTR("512-bit string: "), stdout);
fprintf_P(stdout, PSTR("%2"PRIu16"*00,%s,%2"PRIu16"*00"), pos / 8, tab[pos & 7], 63 - pos / 8);
/* now the real stuff */
memset(block, 0, 512/8);
block[pos>>3] = 0x80>>(pos&0x7);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B*8){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B*8;
}
nessie_hash_ctx.hash_last(ctx, block, n);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void zero_hash(uint16_t n){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.blocksize_B];
NESSIE_PUTSTR_P(PSTR("\r\n message="));
if(n>=10000)
NESSIE_PUTC('0'+n/10000);
if(n>=1000)
NESSIE_PUTC('0'+(n/1000)%10);
if(n>=100)
NESSIE_PUTC('0'+(n/100)%10);
if(n>=10)
NESSIE_PUTC('0'+(n/10)%10);
NESSIE_PUTC('0'+n%10);
NESSIE_PUTSTR_P(PSTR(" zero bits"));
memset(block, 0, nessie_hash_ctx.blocksize_B);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B*8){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B*8;
}
nessie_hash_ctx.hash_last(ctx, block, n);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void tv4_hash(void){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.hashsize_b/8];
uint16_t n=nessie_hash_ctx.hashsize_b;
uint32_t i;
fputs_P(PSTR("\r\n message="), stdout);
fprintf_P(stdout, PSTR("%"PRIu16" zero bits"), nessie_hash_ctx.hashsize_b);
memset(block, 0, nessie_hash_ctx.hashsize_b/8);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B*8){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B*8;
}
nessie_hash_ctx.hash_last(ctx, block, n);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
if(nessie_hash_quick)
return;
for(i=1; i<100000L; ++i){ /* this assumes BLOCKSIZE >= HASHSIZE */
nessie_hash_ctx.hash_init(ctx);
nessie_hash_ctx.hash_last(ctx, hash, nessie_hash_ctx.hashsize_b);
nessie_hash_ctx.hash_conv(hash, ctx);
NESSIE_SEND_ALIVE_A(i);
}
nessie_print_item("iterated 100000 times", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void zero_hash(uint16_t n){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.blocksize_B];
fputs_P(PSTR("\n message="), stdout);
fprintf_P(stdout, PSTR("%"PRIu16" zero bits"));
memset(block, 0, nessie_hash_ctx.blocksize_B);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B*8){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B*8;
}
nessie_hash_ctx.hash_last(ctx, block, n);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void one_in512_hash(uint16_t pos){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.blocksize_B];
uint16_t n=512;
char* tab[8]={"80", "40", "20", "10",
"08", "04", "02", "01" };
pos&=511;
NESSIE_PUTSTR_P(PSTR("\r\n message="));
NESSIE_PUTSTR_P(PSTR("512-bit string: "));
if((pos/8) >=10){
NESSIE_PUTC('0'+(pos/8/10)%10);
} else {
NESSIE_PUTC(' ');
}
NESSIE_PUTC('0'+(pos/8)%10);
NESSIE_PUTSTR_P(PSTR("*00,"));
NESSIE_PUTSTR(tab[pos&7]);
NESSIE_PUTC(',');
if(63-(pos/8) >=10){
NESSIE_PUTC('0'+((63-pos/8)/10)%10);
} else {
NESSIE_PUTC(' ');
}
NESSIE_PUTC('0'+(63-pos/8)%10);
NESSIE_PUTSTR_P(PSTR("*00"));
/* now the real stuff */
memset(block, 0, 512/8);
block[pos>>3] = 0x80>>(pos&0x7);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B*8){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B*8;
}
nessie_hash_ctx.hash_last(ctx, block, n);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void amillion_hash(void){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[(nessie_hash_ctx.hashsize_b+7)/8];
uint8_t block[nessie_hash_ctx.blocksize_B];
uint32_t n=1000000LL;
uint16_t i=0;
fputs_P(PSTR("\n message="), stdout);
fputs_P(PSTR("1 million times \"a\""), stdout);
memset(block, 'a', nessie_hash_ctx.blocksize_B);
nessie_hash_ctx.hash_init(ctx);
while(n>=nessie_hash_ctx.blocksize_B){
nessie_hash_ctx.hash_next(ctx, block);
n -= nessie_hash_ctx.blocksize_B;
NESSIE_SEND_ALIVE_A(i++);
}
nessie_hash_ctx.hash_last(ctx, block, n*8);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
static
void ascii_hash_P(PGM_P data, PGM_P desc){
uint8_t ctx[nessie_hash_ctx.ctx_size_B];
uint8_t hash[HASHSIZE_B];
uint16_t sl;
uint8_t buffer[BLOCKSIZE_B];
fputs_P(PSTR("\n message="), stdout);
fputs_P(desc, stdout);
nessie_hash_ctx.hash_init(ctx);
sl = strlen_P(data);
while(sl>=BLOCKSIZE_B){
memcpy_P(buffer, data, BLOCKSIZE_B);
nessie_hash_ctx.hash_next(ctx, buffer);
data += BLOCKSIZE_B;
sl -= BLOCKSIZE_B;
}
memcpy_P(buffer, data, sl);
nessie_hash_ctx.hash_last(ctx, buffer, sl*8);
nessie_hash_ctx.hash_conv(hash, ctx);
nessie_print_item("hash", hash, (nessie_hash_ctx.hashsize_b+7)/8);
}
