EVP_CIPHER_CTX

type EVP_CIPHER_CTX = record

  cipher: PEVP_CIPHER;

  engine: PENGINE;

  encrypt: TIdC_INT;

  buf_len: TIdC_INT;

  oiv: array [0..EVP_MAX_IV_LENGTH-1] of TIdAnsiChar;

  iv: array [0..EVP_MAX_IV_LENGTH-1] of TIdAnsiChar;

  buf: array [0..EVP_MAX_BLOCK_LENGTH-1] of TIdAnsiChar;

  num: TIdC_INT;

  app_data: Pointer;

  key_len: TIdC_INT;

  flags: TIdC_ULONG;

  cipher_data: Pointer;

  final_used: TIdC_INT;

  block_mask: TIdC_INT;

  _final: array [0..EVP_MAX_BLOCK_LENGTH-1] of TIdAnsiChar;

end;