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Support for selecting AES from the GUI. In the process, I've had to

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introduce another layer of abstraction in SSH2 ciphers, such that a
single `logical cipher' (as desired by a user) can equate to more
than one `physical cipher'. This is because AES comes in several key
lengths (PuTTY will pick the highest supported by the remote end)
and several different SSH2-protocol-level names (aes*-cbc,
rijndael*-cbc, and an unofficial one rijndael-cbc@lysator.liu.se).

[originally from svn r967]
This commit is contained in:
Simon Tatham
2001-03-02 13:55:23 +00:00
parent bf25fd405c
commit b182356f99
8 changed files with 156 additions and 89 deletions
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11
ssh.h
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@ -95,6 +95,12 @@ void SHA_Simple(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);
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 */
@ -106,6 +112,11 @@ struct ssh_cipher {
int keylen;
};
struct ssh2_ciphers {
int nciphers;
struct ssh2_cipher **list;
};
struct ssh_mac {
void (*setcskey)(unsigned char *key);
void (*setsckey)(unsigned char *key);