Line data    Source code

       1             : #ifndef HEADER_fd_src_ballet_chacha20_fd_chacha20_h
       2             : #define HEADER_fd_src_ballet_chacha20_fd_chacha20_h
       3             : 
       4             : #include "../fd_ballet_base.h"
       5             : 
       6             : /* FD_CHACHA20_BLOCK_SZ is the output size of the ChaCha20 block function. */
       7             : 
       8    79762047 : #define FD_CHACHA20_BLOCK_SZ (64UL)
       9             : 
      10             : /* FD_CHACHA20_KEY_SZ is the size of the ChaCha20 encryption key */
      11             : 
      12     4513698 : #define FD_CHACHA20_KEY_SZ (32UL)
      13             : 
      14             : FD_PROTOTYPES_BEGIN
      15             : 
      16             : /* fd_chacha20_block is the ChaCha20 block function.
      17             : 
      18             :    - block points to the output block (64 byte size, 32 byte align)
      19             :    - key points to the encryption key (32 byte size, 32 byte align)
      20             :    - idx_nonce points to the block index and block nonce
      21             :      (first byte is 32-bit index, rest is 96-bit nonce)
      22             :      (16 byte size, 16 byte align)
      23             : 
      24             :    FIXME this should probably do multiple blocks */
      25             : 
      26             : void *
      27             : fd_chacha20_block( void *       block,
      28             :                    void const * key,
      29             :                    void const * idx_nonce );
      30             : 
      31             : /* Encryption/decryption functions not implemented for now
      32             :    as they are not yet required. */
      33             : 
      34             : FD_PROTOTYPES_END
      35             : 
      36             : #endif /* HEADER_fd_src_ballet_chacha20_fd_chacha20_h */