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      1 
      2 #include "crypto_generichash.h"
      3 #include "randombytes.h"
      4 
      5 size_t
      6 crypto_generichash_bytes_min(void)
      7 {
      8     return crypto_generichash_BYTES_MIN;
      9 }
     10 
     11 size_t
     12 crypto_generichash_bytes_max(void)
     13 {
     14     return crypto_generichash_BYTES_MAX;
     15 }
     16 
     17 size_t
     18 crypto_generichash_bytes(void)
     19 {
     20     return crypto_generichash_BYTES;
     21 }
     22 
     23 size_t
     24 crypto_generichash_keybytes_min(void)
     25 {
     26     return crypto_generichash_KEYBYTES_MIN;
     27 }
     28 
     29 size_t
     30 crypto_generichash_keybytes_max(void)
     31 {
     32     return crypto_generichash_KEYBYTES_MAX;
     33 }
     34 
     35 size_t
     36 crypto_generichash_keybytes(void)
     37 {
     38     return crypto_generichash_KEYBYTES;
     39 }
     40 
     41 const char *
     42 crypto_generichash_primitive(void)
     43 {
     44     return crypto_generichash_PRIMITIVE;
     45 }
     46 
     47 size_t
     48 crypto_generichash_statebytes(void)
     49 {
     50     return (sizeof(crypto_generichash_state) + (size_t) 63U) & ~(size_t) 63U;
     51 }
     52 
     53 int
     54 crypto_generichash(unsigned char *out, size_t outlen, const unsigned char *in,
     55                    unsigned long long inlen, const unsigned char *key,
     56                    size_t keylen)
     57 {
     58     return crypto_generichash_blake2b(out, outlen, in, inlen, key, keylen);
     59 }
     60 
     61 int
     62 crypto_generichash_init(crypto_generichash_state *state,
     63                         const unsigned char *key,
     64                         const size_t keylen, const size_t outlen)
     65 {
     66     return crypto_generichash_blake2b_init
     67         ((crypto_generichash_blake2b_state *) state, key, keylen, outlen);
     68 }
     69 
     70 int
     71 crypto_generichash_update(crypto_generichash_state *state,
     72                           const unsigned char *in,
     73                           unsigned long long inlen)
     74 {
     75     return crypto_generichash_blake2b_update
     76         ((crypto_generichash_blake2b_state *) state, in, inlen);
     77 }
     78 
     79 int
     80 crypto_generichash_final(crypto_generichash_state *state,
     81                          unsigned char *out, const size_t outlen)
     82 {
     83     return crypto_generichash_blake2b_final
     84         ((crypto_generichash_blake2b_state *) state, out, outlen);
     85 }
     86 
     87 void
     88 crypto_generichash_keygen(unsigned char k[crypto_generichash_KEYBYTES])
     89 {
     90     randombytes_buf(k, crypto_generichash_KEYBYTES);
     91 }
     92