ssh_keys.h

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#pragma once

 
#include <ascii-chat/crypto/sizes.h>
#include "../../common.h"
#include "../../crypto/key_types.h" // Include the key type definitions
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>


asciichat_error_t parse_ssh_ed25519_line(const char *line, uint8_t ed25519_pk[ED25519_PUBLIC_KEY_SIZE]);

asciichat_error_t parse_ssh_private_key(const char *key_path, private_key_t *key_out);

asciichat_error_t validate_ssh_key_file(const char *key_path);



asciichat_error_t ed25519_to_x25519_public(const uint8_t ed25519_pk[ED25519_PUBLIC_KEY_SIZE],
                                           uint8_t x25519_pk[X25519_KEY_SIZE]);

asciichat_error_t ed25519_to_x25519_private(const uint8_t ed25519_sk[ED25519_PRIVATE_KEY_SIZE],
                                            uint8_t x25519_sk[X25519_KEY_SIZE]);



asciichat_error_t ed25519_sign_message(const private_key_t *key, const uint8_t *message, size_t message_len,
                                       uint8_t signature[ED25519_SIGNATURE_SIZE]);

asciichat_error_t ed25519_verify_signature(const uint8_t public_key[ED25519_PUBLIC_KEY_SIZE], const uint8_t *message,
                                           size_t message_len, const uint8_t signature[ED25519_SIGNATURE_SIZE],
                                           const char *gpg_key_id);