#include <string.h>
+#include "puttymem.h"
+
/*
* Useful thing.
*/
#define APIEXTRA 0
#endif
-/*
- * A Bignum is stored as a sequence of `unsigned short' words. The
- * first tells how many remain; the remaining ones are digits, LS
- * first.
- */
-typedef unsigned short *Bignum;
+#ifndef BIGNUM_INTERNAL
+typedef void *Bignum;
+#endif
struct RSAKey {
int bits;
Bignum modulus;
Bignum exponent;
Bignum private_exponent;
-#endif
- char *comment;
-};
-
-struct RSAAux {
Bignum p;
Bignum q;
Bignum iqmp;
+#endif
+ char *comment;
};
int makekey(unsigned char *data, struct RSAKey *result,
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);
+ int blksize;
+};
+
+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 (*decrypt)(unsigned char *blk, int len);
char *name;
int blksize;
+ int keylen;
+};
+
+struct ssh2_ciphers {
+ int nciphers;
+ const struct ssh2_cipher *const *list;
};
struct ssh_mac {
char *name;
};
-struct ssh_hostkey {
- void (*setkey)(char *data, int len);
- char *(*fmtkey)(void);
- char *(*fingerprint)(void);
- int (*verifysig)(char *sig, int siglen, char *data, int datalen);
+struct ssh_signkey {
+ void *(*newkey)(char *data, int len);
+ void (*freekey)(void *key);
+ char *(*fmtkey)(void *key);
+ unsigned char *(*public_blob)(void *key, int *len);
+ unsigned char *(*private_blob)(void *key, int *len);
+ void *(*createkey)(unsigned char *pub_blob, int pub_len,
+ unsigned char *priv_blob, int priv_len);
+ char *(*fingerprint)(void *key);
+ int (*verifysig)(void *key, char *sig, int siglen,
+ char *data, int datalen);
+ unsigned char *(*sign)(void *key, char *data, int datalen, int *siglen);
char *name;
char *keytype; /* for host key cache */
};
struct ssh_compress {
char *name;
+ void (*compress_init)(void);
+ int (*compress)(unsigned char *block, int len,
+ unsigned char **outblock, int *outlen);
+ void (*decompress_init)(void);
+ int (*decompress)(unsigned char *block, int len,
+ unsigned char **outblock, int *outlen);
};
+struct ssh2_userkey {
+ const struct ssh_signkey *alg; /* the key algorithm */
+ void *data; /* the key data */
+ char *comment; /* the key comment */
+};
+
+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_aes;
+extern const struct ssh2_ciphers ssh2_blowfish;
+extern const struct ssh_kex ssh_diffiehellman;
+extern const struct ssh_kex 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;
+
#ifndef MSCRYPTOAPI
void SHATransform(word32 *digest, word32 *data);
#endif
int random_byte(void);
void random_add_noise(void *noise, int length);
+void random_add_heavynoise(void *noise, int length);
void logevent (char *);
-Bignum newbn(int length);
Bignum copybn(Bignum b);
+Bignum bn_power_2(int n);
+void bn_restore_invariant(Bignum b);
Bignum bignum_from_short(unsigned short n);
void freebn(Bignum b);
-void modpow(Bignum base, Bignum exp, Bignum mod, Bignum result);
-void modmul(Bignum a, Bignum b, Bignum mod, Bignum result);
+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);
int ssh1_bignum_bitcount(Bignum bn);
int ssh1_bignum_length(Bignum bn);
Bignum bignum_add_long(Bignum number, unsigned long addend);
Bignum bigmul(Bignum a, Bignum b);
Bignum modinv(Bignum number, Bignum modulus);
+Bignum bignum_bitmask(Bignum number);
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(void);
Bignum dh_find_K(Bignum f);
int loadrsakey(char *filename, struct RSAKey *key, char *passphrase);
int rsakey_encrypted(char *filename, char **comment);
-void des3_decrypt_pubkey(unsigned char *key,
- unsigned char *blk, int len);
+int saversakey(char *filename, struct RSAKey *key, char *passphrase);
+
+void base64_encode_atom(unsigned char *data, int n, char *out);
+
+/* ssh2_load_userkey can return this as an error */
+extern struct ssh2_userkey ssh2_wrong_passphrase;
+#define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase)
+
+int ssh2_userkey_encrypted(char *filename, char **comment);
+struct ssh2_userkey *ssh2_load_userkey(char *filename, char *passphrase);
+char *ssh2_userkey_loadpub(char *filename, char **algorithm, int *pub_blob_len);
+int ssh2_save_userkey(char *filename, struct ssh2_userkey *key, char *passphrase);
+
+int keyfile_version(char *filename);
+
+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 aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
+void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
/*
* For progress updates in the key generation utility.
*/
typedef void (*progfn_t)(void *param, int phase, int progress);
-int rsa_generate(struct RSAKey *key, struct RSAAux *aux, int bits,
- progfn_t pfn, void *pfnparam);
+int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn, void *pfnparam);
Bignum primegen(int bits, int modulus, int residue,
int phase, progfn_t pfn, void *pfnparam);
+
+/*
+ * zlib compression.
+ */
+void zlib_compress_init(void);
+void zlib_decompress_init(void);
+int zlib_compress_block(unsigned char *block, int len,
+ unsigned char **outblock, int *outlen);
+int zlib_decompress_block(unsigned char *block, int len,
+ unsigned char **outblock, int *outlen);
projects / u / mdw / putty / blobdiff