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      1 #ifndef crypto_generichash_blake2b_H
      2 #define crypto_generichash_blake2b_H
      3 
      4 #include <stddef.h>
      5 #include <stdint.h>
      6 #include <stdlib.h>
      7 
      8 #include "export.h"
      9 
     10 #ifdef __cplusplus
     11 # ifdef __GNUC__
     12 #  pragma GCC diagnostic ignored "-Wlong-long"
     13 # endif
     14 extern "C" {
     15 #endif
     16 
     17 #if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
     18 # pragma pack(1)
     19 #else
     20 # pragma pack(push, 1)
     21 #endif
     22 
     23 typedef struct CRYPTO_ALIGN(64) crypto_generichash_blake2b_state {
     24     uint64_t h[8];
     25     uint64_t t[2];
     26     uint64_t f[2];
     27     uint8_t  buf[2 * 128];
     28     size_t   buflen;
     29     uint8_t  last_node;
     30 } crypto_generichash_blake2b_state;
     31 
     32 #if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
     33 # pragma pack()
     34 #else
     35 # pragma pack(pop)
     36 #endif
     37 
     38 #define crypto_generichash_blake2b_BYTES_MIN     16U
     39 SODIUM_EXPORT
     40 size_t crypto_generichash_blake2b_bytes_min(void);
     41 
     42 #define crypto_generichash_blake2b_BYTES_MAX     64U
     43 SODIUM_EXPORT
     44 size_t crypto_generichash_blake2b_bytes_max(void);
     45 
     46 #define crypto_generichash_blake2b_BYTES         32U
     47 SODIUM_EXPORT
     48 size_t crypto_generichash_blake2b_bytes(void);
     49 
     50 #define crypto_generichash_blake2b_KEYBYTES_MIN  16U
     51 SODIUM_EXPORT
     52 size_t crypto_generichash_blake2b_keybytes_min(void);
     53 
     54 #define crypto_generichash_blake2b_KEYBYTES_MAX  64U
     55 SODIUM_EXPORT
     56 size_t crypto_generichash_blake2b_keybytes_max(void);
     57 
     58 #define crypto_generichash_blake2b_KEYBYTES      32U
     59 SODIUM_EXPORT
     60 size_t crypto_generichash_blake2b_keybytes(void);
     61 
     62 #define crypto_generichash_blake2b_SALTBYTES     16U
     63 SODIUM_EXPORT
     64 size_t crypto_generichash_blake2b_saltbytes(void);
     65 
     66 #define crypto_generichash_blake2b_PERSONALBYTES 16U
     67 SODIUM_EXPORT
     68 size_t crypto_generichash_blake2b_personalbytes(void);
     69 
     70 SODIUM_EXPORT
     71 size_t crypto_generichash_blake2b_statebytes(void);
     72 
     73 SODIUM_EXPORT
     74 int crypto_generichash_blake2b(unsigned char *out, size_t outlen,
     75                                const unsigned char *in,
     76                                unsigned long long inlen,
     77                                const unsigned char *key, size_t keylen);
     78 
     79 SODIUM_EXPORT
     80 int crypto_generichash_blake2b_salt_personal(unsigned char *out, size_t outlen,
     81                                              const unsigned char *in,
     82                                              unsigned long long inlen,
     83                                              const unsigned char *key,
     84                                              size_t keylen,
     85                                              const unsigned char *salt,
     86                                              const unsigned char *personal);
     87 
     88 SODIUM_EXPORT
     89 int crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
     90                                     const unsigned char *key,
     91                                     const size_t keylen, const size_t outlen);
     92 
     93 SODIUM_EXPORT
     94 int crypto_generichash_blake2b_init_salt_personal(crypto_generichash_blake2b_state *state,
     95                                                   const unsigned char *key,
     96                                                   const size_t keylen, const size_t outlen,
     97                                                   const unsigned char *salt,
     98                                                   const unsigned char *personal);
     99 
    100 SODIUM_EXPORT
    101 int crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
    102                                       const unsigned char *in,
    103                                       unsigned long long inlen);
    104 
    105 SODIUM_EXPORT
    106 int crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
    107                                      unsigned char *out,
    108                                      const size_t outlen);
    109 
    110 SODIUM_EXPORT
    111 void crypto_generichash_blake2b_keygen(unsigned char k[crypto_generichash_blake2b_KEYBYTES]);
    112 
    113 #ifdef __cplusplus
    114 }
    115 #endif
    116 
    117 #endif
    118