46 static inline int blake2b_set_lastnode( blake2b_state *S )  in blake2b_set_lastnode()  argument
48   S->f[1] = ~0ULL;  in blake2b_set_lastnode()
52 static inline int blake2b_clear_lastnode( blake2b_state *S )  in blake2b_clear_lastnode()  argument
54   S->f[1] = 0ULL;  in blake2b_clear_lastnode()
59 static inline int blake2b_set_lastblock( blake2b_state *S )  in blake2b_set_lastblock()  argument
61   if( S->last_node ) blake2b_set_lastnode( S );  in blake2b_set_lastblock()
63   S->f[0] = ~0ULL;  in blake2b_set_lastblock()
67 static inline int blake2b_clear_lastblock( blake2b_state *S )  in blake2b_clear_lastblock()  argument
69   if( S->last_node ) blake2b_clear_lastnode( S );  in blake2b_clear_lastblock()
71   S->f[0] = 0ULL;  in blake2b_clear_lastblock()
75 static inline int blake2b_increment_counter( blake2b_state *S, const uint64_t inc )  in blake2b_increment_counter()  argument
77   S->t[0] += inc;  in blake2b_increment_counter()
78   S->t[1] += ( S->t[0] < inc );  in blake2b_increment_counter()
139 static inline int blake2b_init0( blake2b_state *S )  in blake2b_init0()  argument
141   memset( S, 0, sizeof( blake2b_state ) );  in blake2b_init0()
143   for( int i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i];  in blake2b_init0()
158   int blake2b_init( blake2b_state *S, size_t outlen );
159   int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
160   int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
161   int blake2b_update( blake2b_state *S, const uint8_t *in, size_t inlen );
162   int blake2b_final( blake2b_state *S, uint8_t *out, size_t outlen );
169 int blake2b_init_param( blake2b_state *S, const blake2b_param *P )  in blake2b_init_param()  argument
171   blake2b_init0( S );  in blake2b_init_param()
176     S->h[i] ^= load64( p + sizeof( S->h[i] ) * i );  in blake2b_init_param()
178   S->outlen = P->digest_length;  in blake2b_init_param()
184 int blake2b_init( blake2b_state *S, size_t outlen )  in blake2b_init()  argument
201   return blake2b_init_param( S, P );  in blake2b_init()
205 int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen )  in blake2b_init_key()  argument
225   if( blake2b_init_param( S, P ) < 0 ) return -1;  in blake2b_init_key()
231     blake2b_update( S, block, BLAKE2B_BLOCKBYTES );  in blake2b_init_key()
237 static int blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] )  in blake2b_compress()  argument
247     v[i] = S->h[i];  in blake2b_compress()
253   v[12] = S->t[0] ^ blake2b_IV[4];  in blake2b_compress()
254   v[13] = S->t[1] ^ blake2b_IV[5];  in blake2b_compress()
255   v[14] = S->f[0] ^ blake2b_IV[6];  in blake2b_compress()
256   v[15] = S->f[1] ^ blake2b_IV[7];  in blake2b_compress()
293     S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];  in blake2b_compress()
301 int blake2b_update( blake2b_state *S, const uint8_t *in, size_t inlen )  in blake2b_update()  argument
305     uint32_t left = S->buflen;  in blake2b_update()
310       memcpy( S->buf + left, in, fill ); // Fill buffer  in blake2b_update()
311       S->buflen += fill;  in blake2b_update()
312       blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );  in blake2b_update()
313       blake2b_compress( S, S->buf ); // Compress  in blake2b_update()
314       memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); // Shift buffer left  in blake2b_update()
315       S->buflen -= BLAKE2B_BLOCKBYTES;  in blake2b_update()
321       memcpy( S->buf + left, in, inlen );  in blake2b_update()
322       S->buflen += ( uint32_t ) inlen; // Be lazy, do not compress  in blake2b_update()
331 int blake2b_final( blake2b_state *S, uint8_t *out, size_t outlen )  in blake2b_final()  argument
336   if(S->outlen != outlen) return -1;  in blake2b_final()
338   if( S->buflen > BLAKE2B_BLOCKBYTES )  in blake2b_final()
340     blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );  in blake2b_final()
341     blake2b_compress( S, S->buf );  in blake2b_final()
342     S->buflen -= BLAKE2B_BLOCKBYTES;  in blake2b_final()
343     memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );  in blake2b_final()
346   blake2b_increment_counter( S, S->buflen );  in blake2b_final()
347   blake2b_set_lastblock( S );  in blake2b_final()
348   memset( S->buf + S->buflen, 0, 2 * BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */  in blake2b_final()
349   blake2b_compress( S, S->buf );  in blake2b_final()
352     store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );  in blake2b_final()
360   blake2b_state S[1];  in blake2b()  local
375     if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1;  in blake2b()
379     if( blake2b_init( S, outlen ) < 0 ) return -1;  in blake2b()
382   if( blake2b_update( S, ( uint8_t * )in, inlen ) < 0 ) return -1;  in blake2b()
383   return blake2b_final( S, out, outlen );  in blake2b()