CAST5_FLAGS
IMPLEMENT_var_keylen_cipher(cast5, CAST, ecb, ECB, CAST5_FLAGS, 128, 64, 0, block)
IMPLEMENT_var_keylen_cipher(cast5, CAST, cbc, CBC, CAST5_FLAGS, 128, 64, 64, block)
IMPLEMENT_var_keylen_cipher(cast5, CAST, ofb64, OFB, CAST5_FLAGS, 128, 8, 64, stream)
IMPLEMENT_var_keylen_cipher(cast5, CAST, cfb64, CFB, CAST5_FLAGS, 128, 8, 64, stream)