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btrfs-progs: crypto: remove unused blake2 code 

We don't use the simple API and the self testing code.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2023-05-03 14:03:39 +08:00 committed by David Sterba
parent 83ab92512e
commit 9c2b07e901
1 changed files with 0 additions and 109 deletions
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109
crypto/blake2b-ref.c
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@ -295,112 +295,3 @@ int blake2b_final( blake2b_state *S, void *out, size_t outlen )
secure_zero_memory(buffer, sizeof(buffer)); secure_zero_memory(buffer, sizeof(buffer));
return 0; return 0;
} }
/* inlen, at least, should be uint64_t. Others can be size_t. */
int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
{
blake2b_state S[1];
/* Verify parameters */
if ( NULL == in && inlen > 0 ) return -1;
if ( NULL == out ) return -1;
if( NULL == key && keylen > 0 ) return -1;
if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1;
if( keylen > BLAKE2B_KEYBYTES ) return -1;
if( keylen > 0 )
{
if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1;
}
else
{
if( blake2b_init( S, outlen ) < 0 ) return -1;
}
blake2b_update( S, ( const uint8_t * )in, inlen );
blake2b_final( S, out, outlen );
return 0;
}
int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) {
return blake2b(out, outlen, in, inlen, key, keylen);
}
#if defined(SUPERCOP)
int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
{
return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 );
}
#endif
#if defined(BLAKE2B_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( void )
{
uint8_t key[BLAKE2B_KEYBYTES];
uint8_t buf[BLAKE2_KAT_LENGTH];
size_t i, step;
for( i = 0; i < BLAKE2B_KEYBYTES; ++i )
key[i] = ( uint8_t )i;
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
buf[i] = ( uint8_t )i;
/* Test simple API */
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
{
uint8_t hash[BLAKE2B_OUTBYTES];
blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES );
if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) )
{
goto fail;
}
}
/* Test streaming API */
for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) {
for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
uint8_t hash[BLAKE2B_OUTBYTES];
blake2b_state S;
uint8_t * p = buf;
size_t mlen = i;
int err = 0;
if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) {
goto fail;
}
while (mlen >= step) {
if ( (err = blake2b_update(&S, p, step)) < 0 ) {
goto fail;
}
mlen -= step;
p += step;
}
if ( (err = blake2b_update(&S, p, mlen)) < 0) {
goto fail;
}
if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) {
goto fail;
}
if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) {
goto fail;
}
}
}
puts( "ok" );
return 0;
fail:
puts("error");
return -1;
}
#endif