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Code Issues

b2xs test procedures

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This commit is contained in:
JP Aumasson 2016-10-11 20:25:14 +02:00
parent 73bd0dc652
commit ae633ca8e2
1 changed files with 53 additions and 10 deletions
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63
ref/blake2xs-ref.c
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@ -17,7 +17,7 @@ int blake2xs_init( blake2xs_state *S, const size_t outlen, const void *key, size
return -1; return -1;
} }
if (key == NULL || keylen > BLAKE2S_KEYBYTES) { if (NULL == key || keylen > BLAKE2S_KEYBYTES) {
return -1; return -1;
} }
@ -60,7 +60,7 @@ int blake2xs_final(blake2xs_state *S, void *out, size_t outlen)
uint8_t root[BLAKE2S_BLOCKBYTES]; uint8_t root[BLAKE2S_BLOCKBYTES];
size_t i; size_t i;
if (out == NULL) { if (NULL == out) {
return -1; return -1;
} }
@ -149,28 +149,71 @@ int main( void )
{ {
uint8_t key[BLAKE2S_KEYBYTES]; uint8_t key[BLAKE2S_KEYBYTES];
uint8_t buf[BLAKE2_KAT_LENGTH]; uint8_t buf[BLAKE2_KAT_LENGTH];
size_t i, step;
for( size_t i = 0; i < BLAKE2S_KEYBYTES; ++i ) { for( i = 0; i < BLAKE2S_KEYBYTES; ++i ) {
key[i] = ( uint8_t )i; key[i] = ( uint8_t )i;
} }
for( size_t i = 0; i < BLAKE2_KAT_LENGTH; ++i ) { for( i = 0; i < BLAKE2_KAT_LENGTH; ++i ) {
buf[i] = ( uint8_t )i; buf[i] = ( uint8_t )i;
} }
for( size_t i = 1; i < BLAKE2_KAT_LENGTH; ++i ) /* Testing length of ouputs rather than inputs */
/* (Test of input lengths mostly covered by blake2s tests) */
/* Test simple API */
for( size_t outlen = 1; outlen <= BLAKE2_KAT_LENGTH; ++outlen )
{ {
uint8_t hash[BLAKE2_KAT_LENGTH] = {0}; uint8_t hash[BLAKE2_KAT_LENGTH] = {0};
blake2xs( hash, i, buf, BLAKE2_KAT_LENGTH, key, BLAKE2S_KEYBYTES ); blake2xs( hash, outlen, buf, BLAKE2_KAT_LENGTH, key, BLAKE2S_KEYBYTES );
for( size_t j = 0; j < i; ++j ) { #if 0
printf("%02x", hash[j]); if( 0 != memcmp( hash, blake2xs_keyed_kat[i-1], i ) )
{
goto fail;
} }
printf("\n"); #endif
} }
//puts( "ok" ); /* Test streaming API */
for(step = 1; step < BLAKE2S_BLOCKBYTES; ++step) {
for (size_t outlen = 1; outlen <= BLAKE2_KAT_LENGTH; ++outlen) {
uint8_t hash[BLAKE2S_OUTBYTES];
blake2xs_state S;
uint8_t * p = buf;
size_t mlen = BLAKE2_KAT_LENGTH;
int err = 0;
if( (err = blake2xs_init(&S, outlen, key, BLAKE2S_KEYBYTES)) < 0 ) {
goto fail;
}
while (mlen >= step) {
if ( (err = blake2xs_update(&S, p, step)) < 0 ) {
goto fail;
}
mlen -= step;
p += step;
}
if ( (err = blake2xs_update(&S, p, mlen)) < 0) {
goto fail;
}
if ( (err = blake2xs_final(&S, hash, outlen)) < 0) {
goto fail;
}
if (0 != memcmp(hash, blake2s_keyed_kat[outlen-1], outlen)) {
goto fail;
}
}
}
puts( "ok" );
return 0; return 0;
fail:
puts("error");
return -1;
} }
#endif #endif