-/*
- * Requests the agent to decrypt the given challenge. Returns true if the
- * agent claims it was able to decrypt it.
- */
-int
-ssh_decrypt_challenge(AuthenticationConnection *auth,
- Key *key, BIGNUM * challenge,
- unsigned char session_id[16],
- unsigned int response_type,
- unsigned char response[16]);
+typedef struct {
+ int fd;
+ Buffer identities;
+ int howmany;
+} AuthenticationConnection;
+
+int ssh_agent_present(void);
+int ssh_get_authentication_socket(void);
+void ssh_close_authentication_socket(int);
+
+AuthenticationConnection *ssh_get_authentication_connection(void);
+void ssh_close_authentication_connection(AuthenticationConnection *);
+int ssh_get_num_identities(AuthenticationConnection *, int);
+Key *ssh_get_first_identity(AuthenticationConnection *, char **, int);
+Key *ssh_get_next_identity(AuthenticationConnection *, char **, int);
+int ssh_add_identity(AuthenticationConnection *, Key *, const char *);
+int ssh_add_identity_constrained(AuthenticationConnection *, Key *, const char *, u_int);
+int ssh_remove_identity(AuthenticationConnection *, Key *);
+int ssh_remove_all_identities(AuthenticationConnection *, int);
+int ssh_lock_agent(AuthenticationConnection *, int, const char *);
+int ssh_update_card(AuthenticationConnection *, int, const char *, const char *);