src/usr.bin/ssh/cipher.c - diff

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Diff for /src/usr.bin/ssh/cipher.c between version 1.21 and 1.22

version 1.21, 2000/03/28 20:24:49

version 1.22, 2000/04/04 21:37:27

Line 131

unsigned int

cipher_mask()

cipher_mask1()

{

unsigned int mask = 0;

mask |= 1 << SSH_CIPHER_3DES; /* Mandatory */

mask |= 1 << SSH_CIPHER_BLOWFISH;

return mask;

}

unsigned int

cipher_mask2()

{

unsigned int mask = 0;

mask |= 1 << SSH_CIPHER_BLOWFISH_CBC;

mask |= 1 << SSH_CIPHER_3DES_CBC;

mask |= 1 << SSH_CIPHER_ARCFOUR;

mask |= 1 << SSH_CIPHER_CAST128_CBC;

return mask;

}

unsigned int

cipher_mask()

{

return cipher_mask1() | cipher_mask2();

}

/* Returns the name of the cipher. */

Line 176

Line 187

void

cipher_set_key_string(CipherContext *context, int cipher,

cipher_set_key_string(CipherContext *context, int cipher, const char *passphrase)

const char *passphrase, int for_encryption)

{

MD5_CTX md;

unsigned char digest[16];

Line 186

Line 196

MD5_Update(&md, (const unsigned char *) passphrase, strlen(passphrase));

MD5_Final(digest, &md);

cipher_set_key(context, cipher, digest, 16, for_encryption);

cipher_set_key(context, cipher, digest, 16);

memset(digest, 0, sizeof(digest));

memset(&md, 0, sizeof(md));

Line 195

Line 205

/* Selects the cipher to use and sets the key. */

void

cipher_set_key(CipherContext *context, int cipher,

cipher_set_key(CipherContext *context, int cipher, const unsigned char *key,

const unsigned char *key, int keylen, int for_encryption)

int keylen)

{

unsigned char padded[32];