libsodium (1.0.19)

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       1  #ifndef crypto_kdf_blake2b_H
       2  #define crypto_kdf_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  #define crypto_kdf_blake2b_BYTES_MIN 16
      18  SODIUM_EXPORT
      19  size_t crypto_kdf_blake2b_bytes_min(void);
      20  
      21  #define crypto_kdf_blake2b_BYTES_MAX 64
      22  SODIUM_EXPORT
      23  size_t crypto_kdf_blake2b_bytes_max(void);
      24  
      25  #define crypto_kdf_blake2b_CONTEXTBYTES 8
      26  SODIUM_EXPORT
      27  size_t crypto_kdf_blake2b_contextbytes(void);
      28  
      29  #define crypto_kdf_blake2b_KEYBYTES 32
      30  SODIUM_EXPORT
      31  size_t crypto_kdf_blake2b_keybytes(void);
      32  
      33  SODIUM_EXPORT
      34  int crypto_kdf_blake2b_derive_from_key(unsigned char *subkey, size_t subkey_len,
      35                                         uint64_t subkey_id,
      36                                         const char ctx[crypto_kdf_blake2b_CONTEXTBYTES],
      37                                         const unsigned char key[crypto_kdf_blake2b_KEYBYTES])
      38              __attribute__ ((nonnull));
      39  
      40  #ifdef __cplusplus
      41  }
      42  #endif
      43  
      44  #endif