X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/5c72ca6161da0e7976245222c412d62ebae2e386..27cd7fc28c020044e7394fe8274ffb853e12082c:/ssh.h

diff --git a/ssh.h b/ssh.h
index 0d9613b0..9f9f1e6e 100644
--- a/ssh.h
+++ b/ssh.h
@@ -64,12 +64,21 @@ int rsastr_len(struct RSAKey *key);
 void rsastr_fmt(char *str, struct RSAKey *key);
 void rsa_fingerprint(char *str, int len, struct RSAKey *key);
 int rsa_verify(struct RSAKey *key);
+unsigned char *rsa_public_blob(struct RSAKey *key, int *len);
+int rsa_public_blob_len(void *data);
 void freersakey(struct RSAKey *key);
 
 typedef unsigned int word32;
 typedef unsigned int uint32;
 
 unsigned long crc32(const void *s, size_t len);
+unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len);
+
+/* SSH CRC compensation attack detector */
+void *crcda_make_context(void);
+void crcda_free_context(void *handle);
+int detect_attack(void *handle, unsigned char *buf, uint32 len,
+		  unsigned char *IV);
 
 typedef struct {
     uint32 h[4];
@@ -117,22 +126,26 @@ void SHA512_Final(SHA512_State * s, unsigned char *output);
 void SHA512_Simple(const void *p, int len, unsigned char *output);
 
 struct ssh_cipher {
-    void (*sesskey) (unsigned char *key);	/* for ssh 1 */
-    void (*encrypt) (unsigned char *blk, int len);
-    void (*decrypt) (unsigned char *blk, int len);
+    void *(*make_context)(void);
+    void (*free_context)(void *);
+    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;
+    char *text_name;
 };
 
 struct ssh2_cipher {
-    void (*setcsiv) (unsigned char *key);	/* for ssh 2 */
-    void (*setcskey) (unsigned char *key);	/* for ssh 2 */
-    void (*setsciv) (unsigned char *key);	/* for ssh 2 */
-    void (*setsckey) (unsigned char *key);	/* for ssh 2 */
-    void (*encrypt) (unsigned char *blk, int len);
-    void (*decrypt) (unsigned char *blk, int len);
+    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 (*encrypt) (void *, unsigned char *blk, int len);
+    void (*decrypt) (void *, unsigned char *blk, int len);
     char *name;
     int blksize;
     int keylen;
+    char *text_name;
 };
 
 struct ssh2_ciphers {
@@ -141,10 +154,11 @@ struct ssh2_ciphers {
 };
 
 struct ssh_mac {
-    void (*setcskey) (unsigned char *key);
-    void (*setsckey) (unsigned char *key);
-    void (*generate) (unsigned char *blk, int len, unsigned long seq);
-    int (*verify) (unsigned char *blk, int len, unsigned long seq);
+    void *(*make_context)(void);
+    void (*free_context)(void *);
+    void (*setkey) (void *, unsigned char *key);
+    void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
+    int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
     char *name;
     int len;
 };
@@ -200,6 +214,7 @@ 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_3des;
+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;
@@ -220,7 +235,7 @@ extern char sshver[];
  * that fails. This variable is the means by which scp.c can reach
  * into the SSH code and find out which one it got.
  */
-extern int ssh_fallback_cmd;
+extern int ssh_fallback_cmd(void *handle);
 
 #ifndef MSCRYPTOAPI
 void SHATransform(word32 * digest, word32 * data);
@@ -231,8 +246,11 @@ void random_add_noise(void *noise, int length);
 void random_add_heavynoise(void *noise, int length);
 
 void logevent(char *);
-void *new_sock_channel(Socket s); // allocates and register a new channel for port forwarding
-void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
+
+/* Allocate and register a new channel for port forwarding */
+void *new_sock_channel(void *handle, Socket s);
+void ssh_send_port_open(void *handle, void *channel,
+			char *hostname, int port, char *org);
 
 Bignum copybn(Bignum b);
 Bignum bn_power_2(int n);
@@ -243,8 +261,8 @@ Bignum modpow(Bignum base, Bignum exp, Bignum mod);
 Bignum modmul(Bignum a, Bignum b, Bignum mod);
 void decbn(Bignum n);
 extern Bignum Zero, One;
-Bignum bignum_from_bytes(unsigned char *data, int nbytes);
-int ssh1_read_bignum(unsigned char *data, Bignum * result);
+Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
+int ssh1_read_bignum(const unsigned char *data, Bignum * result);
 int bignum_bitcount(Bignum bn);
 int ssh1_bignum_length(Bignum bn);
 int ssh2_bignum_length(Bignum bn);
@@ -265,14 +283,15 @@ Bignum bignum_rshift(Bignum number, int shift);
 int bignum_cmp(Bignum a, Bignum b);
 char *bignum_decimal(Bignum x);
 
-void dh_setup_group1(void);
-void dh_setup_group(Bignum pval, Bignum gval);
-void dh_cleanup(void);
-Bignum dh_create_e(int nbits);
-Bignum dh_find_K(Bignum f);
+void *dh_setup_group1(void);
+void *dh_setup_group(Bignum pval, Bignum gval);
+void dh_cleanup(void *);
+Bignum dh_create_e(void *, int nbits);
+Bignum dh_find_K(void *, Bignum f);
 
 int loadrsakey(char *filename, struct RSAKey *key, char *passphrase);
 int rsakey_encrypted(char *filename, char **comment);
+int rsakey_pubblob(char *filename, void **blob, int *bloblen);
 
 int saversakey(char *filename, struct RSAKey *key, char *passphrase);
 
@@ -289,10 +308,30 @@ char *ssh2_userkey_loadpub(char *filename, char **algorithm,
 int ssh2_save_userkey(char *filename, struct ssh2_userkey *key,
 		      char *passphrase);
 
-int keyfile_version(char *filename);
+enum {
+    SSH_KEYTYPE_UNOPENABLE,
+    SSH_KEYTYPE_UNKNOWN,
+    SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
+    SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
+};
+int key_type(char *filename);
+char *key_type_to_str(int type);
+
+int import_possible(int type);
+int import_target_type(int type);
+int import_encrypted(char *filename, int type, char **comment);
+int import_ssh1(char *filename, int type, struct RSAKey *key,char *passphrase);
+struct ssh2_userkey *import_ssh2(char *filename, int type, char *passphrase);
+int export_ssh1(char *filename, int type, struct RSAKey *key,char *passphrase);
+int export_ssh2(char *filename, int type,
+                struct ssh2_userkey *key, char *passphrase);
 
 void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
 void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
+void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
+			      unsigned char *blk, int len);
+void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
+			      unsigned char *blk, int len);
 void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk,
 			   int len);
 void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
@@ -301,11 +340,12 @@ void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
 /*
  * For progress updates in the key generation utility.
  */
-#define PROGFN_LIN_PHASE 1
-#define PROGFN_EXP_PHASE 2
-#define PROGFN_PHASE_EXTENT 3
-#define PROGFN_READY 4
-#define PROGFN_PROGRESS 5
+#define PROGFN_INITIALISE 1
+#define PROGFN_LIN_PHASE 2
+#define PROGFN_EXP_PHASE 3
+#define PROGFN_PHASE_EXTENT 4
+#define PROGFN_READY 5
+#define PROGFN_PROGRESS 6
 typedef void (*progfn_t) (void *param, int action, int phase, int progress);
 
 int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn,
@@ -353,3 +393,9 @@ int zlib_decompress_block(unsigned char *block, int len,
 #define SSH2_AGENTC_ADD_IDENTITY                17
 #define SSH2_AGENTC_REMOVE_IDENTITY             18
 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES       19
+
+/*
+ * Need this to warn about support for the original SSH2 keyfile
+ * format.
+ */
+void old_keyfile_warning(void);