void hmac_sha1_simple(void *key, int keylen, void *data, int datalen,
unsigned char *output);
+typedef struct {
+ uint32 h[8];
+ unsigned char block[64];
+ int blkused;
+ uint32 lenhi, lenlo;
+} SHA256_State;
+void SHA256_Init(SHA256_State * s);
+void SHA256_Bytes(SHA256_State * s, const void *p, int len);
+void SHA256_Final(SHA256_State * s, unsigned char *output);
+void SHA256_Simple(const void *p, int len, unsigned char *output);
typedef struct {
uint64 h[8];
struct ssh_cipher {
void *(*make_context)(void);
void (*free_context)(void *);
- void (*sesskey) (void *, unsigned char *key); /* for ssh 1 */
+ void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */
void (*encrypt) (void *, unsigned char *blk, int len);
void (*decrypt) (void *, unsigned char *blk, int len);
int blksize;
struct ssh2_cipher {
void *(*make_context)(void);
void (*free_context)(void *);
- void (*setiv) (void *, unsigned char *key); /* for ssh 2 */
- void (*setkey) (void *, unsigned char *key);/* for ssh 2 */
+ void (*setiv) (void *, unsigned char *key); /* for SSH-2 */
+ void (*setkey) (void *, unsigned char *key);/* for SSH-2 */
void (*encrypt) (void *, unsigned char *blk, int len);
void (*decrypt) (void *, unsigned char *blk, int len);
char *name;
int blksize;
int keylen;
+ unsigned int flags;
+#define SSH_CIPHER_IS_CBC 1
char *text_name;
};
char *text_name;
};
+struct ssh_hash {
+ void *(*init)(void); /* also allocates context */
+ void (*bytes)(void *, void *, int);
+ void (*final)(void *, unsigned char *); /* also frees context */
+ int hlen; /* output length in bytes */
+ char *text_name;
+};
+
struct ssh_kex {
/*
* Plugging in another KEX algorithm requires structural chaos,
char *name, *groupname;
const unsigned char *pdata, *gdata;/* NULL means use group exchange */
int plen, glen;
+ const struct ssh_hash *hash;
+};
+
+struct ssh_kexes {
+ int nkexes;
+ const struct ssh_kex *const *list;
};
struct ssh_signkey {
char *comment; /* the key comment */
};
+/* The maximum length of any hash algorithm used in kex. (bytes) */
+#define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */
+
extern const struct ssh_cipher ssh_3des;
extern const struct ssh_cipher ssh_des;
extern const struct ssh_cipher ssh_blowfish_ssh1;
extern const struct ssh2_ciphers ssh2_des;
extern const struct ssh2_ciphers ssh2_aes;
extern const struct ssh2_ciphers ssh2_blowfish;
-extern const struct ssh_kex ssh_diffiehellman_group1;
-extern const struct ssh_kex ssh_diffiehellman_group14;
-extern const struct ssh_kex ssh_diffiehellman_gex;
+extern const struct ssh2_ciphers ssh2_arcfour;
+extern const struct ssh_hash ssh_sha1;
+extern const struct ssh_hash ssh_sha256;
+extern const struct ssh_kexes ssh_diffiehellman_group1;
+extern const struct ssh_kexes ssh_diffiehellman_group14;
+extern const struct ssh_kexes ssh_diffiehellman_gex;
extern const struct ssh_signkey ssh_dss;
extern const struct ssh_signkey ssh_rsa;
-extern const struct ssh_mac ssh_md5;
-extern const struct ssh_mac ssh_sha1;
-extern const struct ssh_mac ssh_sha1_buggy;
+extern const struct ssh_mac ssh_hmac_md5;
+extern const struct ssh_mac ssh_hmac_sha1;
+extern const struct ssh_mac ssh_hmac_sha1_buggy;
+extern const struct ssh_mac ssh_hmac_sha1_96;
+extern const struct ssh_mac ssh_hmac_sha1_96_buggy;
+
/*
* PuTTY version number formatted as an SSH version string.
char *passphrase, const char **errorstr);
int rsakey_encrypted(const Filename *filename, char **comment);
int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
- const char **errorstr);
+ char **commentptr, const char **errorstr);
int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
char *passphrase, const char **errorstr);
char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
- int *pub_blob_len, const char **errorstr);
+ int *pub_blob_len, char **commentptr,
+ const char **errorstr);
int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key,
char *passphrase);
const struct ssh_signkey *find_pubkey_alg(const char *name);
int import_target_type(int type);
int import_encrypted(const Filename *filename, int type, char **comment);
int import_ssh1(const Filename *filename, int type,
- struct RSAKey *key, char *passphrase);
+ struct RSAKey *key, char *passphrase, const char **errmsg_p);
struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
- char *passphrase);
+ char *passphrase, const char **errmsg_p);
int export_ssh1(const Filename *filename, int type,
struct RSAKey *key, char *passphrase);
int export_ssh2(const Filename *filename, int type,
unsigned char **outblock, int *outlen);
/*
- * SSH1 agent messages.
+ * SSH-1 agent messages.
*/
#define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1
#define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2
#define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */
/*
- * Messages common to SSH1 and OpenSSH's SSH2.
+ * Messages common to SSH-1 and OpenSSH's SSH-2.
*/
#define SSH_AGENT_FAILURE 5
#define SSH_AGENT_SUCCESS 6
/*
- * OpenSSH's SSH2 agent messages.
+ * OpenSSH's SSH-2 agent messages.
*/
#define SSH2_AGENTC_REQUEST_IDENTITIES 11
#define SSH2_AGENT_IDENTITIES_ANSWER 12
#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
/*
- * Need this to warn about support for the original SSH2 keyfile
+ * Need this to warn about support for the original SSH-2 keyfile
* format.
*/
void old_keyfile_warning(void);