41 static inline int blake2s_set_lastnode( blake2s_state *S )  in blake2s_set_lastnode()  argument
43   S->f[1] = ~0U;  in blake2s_set_lastnode()
47 static inline int blake2s_clear_lastnode( blake2s_state *S )  in blake2s_clear_lastnode()  argument
49   S->f[1] = 0U;  in blake2s_clear_lastnode()
54 static inline int blake2s_set_lastblock( blake2s_state *S )  in blake2s_set_lastblock()  argument
56   if( S->last_node ) blake2s_set_lastnode( S );  in blake2s_set_lastblock()
58   S->f[0] = ~0U;  in blake2s_set_lastblock()
62 static inline int blake2s_clear_lastblock( blake2s_state *S )  in blake2s_clear_lastblock()  argument
64   if( S->last_node ) blake2s_clear_lastnode( S );  in blake2s_clear_lastblock()
66   S->f[0] = 0U;  in blake2s_clear_lastblock()
70 static inline int blake2s_increment_counter( blake2s_state *S, const uint32_t inc )  in blake2s_increment_counter()  argument
72   S->t[0] += inc;  in blake2s_increment_counter()
73   S->t[1] += ( S->t[0] < inc );  in blake2s_increment_counter()
132 static inline int blake2s_init0( blake2s_state *S )  in blake2s_init0()  argument
134   memset( S, 0, sizeof( blake2s_state ) );  in blake2s_init0()
136   for( int i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];  in blake2s_init0()
151   int blake2s_init( blake2s_state *S, size_t outlen );
152   int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
153   int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
154   int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen );
155   int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen );
162 int blake2s_init_param( blake2s_state *S, const blake2s_param *P )  in blake2s_init_param()  argument
164   blake2s_init0( S );  in blake2s_init_param()
169     S->h[i] ^= load32( &p[i] );  in blake2s_init_param()
171   S->outlen = P->digest_length;  in blake2s_init_param()
177 int blake2s_init( blake2s_state *S, size_t outlen )  in blake2s_init()  argument
195   return blake2s_init_param( S, P );  in blake2s_init()
198 int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )  in blake2s_init_key()  argument
218   if( blake2s_init_param( S, P ) < 0 ) return -1;  in blake2s_init_key()
224     blake2s_update( S, block, BLAKE2S_BLOCKBYTES );  in blake2s_init_key()
230 static int blake2s_compress( blake2s_state *S, const uint8_t block[BLAKE2S_BLOCKBYTES] )  in blake2s_compress()  argument
239     v[i] = S->h[i];  in blake2s_compress()
245   v[12] = S->t[0] ^ blake2s_IV[4];  in blake2s_compress()
246   v[13] = S->t[1] ^ blake2s_IV[5];  in blake2s_compress()
247   v[14] = S->f[0] ^ blake2s_IV[6];  in blake2s_compress()
248   v[15] = S->f[1] ^ blake2s_IV[7];  in blake2s_compress()
283     S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];  in blake2s_compress()
291 int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen )  in blake2s_update()  argument
295     uint32_t left = S->buflen;  in blake2s_update()
300       memcpy( S->buf + left, in, fill ); // Fill buffer  in blake2s_update()
301       S->buflen += fill;  in blake2s_update()
302       blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );  in blake2s_update()
303       blake2s_compress( S, S->buf ); // Compress  in blake2s_update()
304       memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); // Shift buffer left  in blake2s_update()
305       S->buflen -= BLAKE2S_BLOCKBYTES;  in blake2s_update()
311       memcpy( S->buf + left, in, inlen );  in blake2s_update()
312       S->buflen += ( uint32_t ) inlen; // Be lazy, do not compress  in blake2s_update()
321 int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )  in blake2s_final()  argument
326   if(S->outlen != outlen) return -1;  in blake2s_final()
328   if( S->buflen > BLAKE2S_BLOCKBYTES )  in blake2s_final()
330     blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );  in blake2s_final()
331     blake2s_compress( S, S->buf );  in blake2s_final()
332     S->buflen -= BLAKE2S_BLOCKBYTES;  in blake2s_final()
333     memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );  in blake2s_final()
336   blake2s_increment_counter( S, ( uint32_t )S->buflen );  in blake2s_final()
337   blake2s_set_lastblock( S );  in blake2s_final()
338   memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */  in blake2s_final()
339   blake2s_compress( S, S->buf );  in blake2s_final()
342     store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );  in blake2s_final()
350   blake2s_state S[1];  in blake2s()  local
365     if( blake2s_init_key( S, outlen, key, keylen ) < 0 ) return -1;  in blake2s()
369     if( blake2s_init( S, outlen ) < 0 ) return -1;  in blake2s()
372   if( blake2s_update( S, ( uint8_t * )in, inlen ) < 0) return -1;  in blake2s()
373   return blake2s_final( S, out, outlen );  in blake2s()