-/* returns 1 if all ciphers are supported (ssh2 only) */
-int ciphers_valid(const char *names);
-
-/*
- * Selects the cipher to use and sets the key. If for_encryption is true,
- * the key is setup for encryption; otherwise it is setup for decryption.
- */
-void
-cipher_set_key(CipherContext * context, int cipher,
- const unsigned char *key, int keylen);
-void
-cipher_set_key_iv(CipherContext * context, int cipher,
- const unsigned char *key, int keylen,
- const unsigned char *iv, int ivlen);
-
-/*
- * Sets key for the cipher by computing the MD5 checksum of the passphrase,
- * and using the resulting 16 bytes as the key.
- */
-void
-cipher_set_key_string(CipherContext * context, int cipher,
- const char *passphrase);