diff options
Diffstat (limited to 'cipher.c')
| -rw-r--r-- | cipher.c | 43 |
1 files changed, 27 insertions, 16 deletions
@@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$Id: cipher.c,v 1.7 1999/11/24 13:26:22 damien Exp $"); +RCSID("$Id: cipher.c,v 1.8 1999/11/25 00:54:58 damien Exp $"); #include "ssh.h" #include "cipher.h" @@ -121,8 +121,10 @@ detect_cbc_attack(const unsigned char *src, cipher_attack_detected("CRC-32 CBC insertion attack detected"); } -/* Names of all encryption algorithms. These must match the numbers defined - int cipher.h. */ +/* + * Names of all encryption algorithms. + * These must match the numbers defined in cipher.h. + */ static char *cipher_names[] = { "none", @@ -134,9 +136,11 @@ static char *cipher_names[] = "blowfish" }; -/* Returns a bit mask indicating which ciphers are supported by this - implementation. The bit mask has the corresponding bit set of each - supported cipher. */ +/* + * Returns a bit mask indicating which ciphers are supported by this + * implementation. The bit mask has the corresponding bit set of each + * supported cipher. + */ unsigned int cipher_mask() @@ -158,8 +162,10 @@ cipher_name(int cipher) return cipher_names[cipher]; } -/* Parses the name of the cipher. Returns the number of the corresponding - cipher, or -1 on error. */ +/* + * Parses the name of the cipher. Returns the number of the corresponding + * cipher, or -1 on error. + */ int cipher_number(const char *name) @@ -172,8 +178,10 @@ cipher_number(const char *name) return -1; } -/* Selects the cipher, and keys if by computing the MD5 checksum of the - passphrase and using the resulting 16 bytes as the key. */ +/* + * Selects the cipher, and keys if by computing the MD5 checksum of the + * passphrase and using the resulting 16 bytes as the key. + */ void cipher_set_key_string(CipherContext *context, int cipher, @@ -211,15 +219,18 @@ cipher_set_key(CipherContext *context, int cipher, /* Initialize the initialization vector. */ switch (cipher) { case SSH_CIPHER_NONE: - /* Has to stay for authfile saving of private key with - no passphrase */ + /* + * Has to stay for authfile saving of private key with no + * passphrase + */ break; case SSH_CIPHER_3DES: - /* Note: the least significant bit of each byte of key is - parity, and must be ignored by the implementation. 16 - bytes of key are used (first and last keys are the - same). */ + /* + * Note: the least significant bit of each byte of key is + * parity, and must be ignored by the implementation. 16 + * bytes of key are used (first and last keys are the same). + */ if (keylen < 16) error("Key length %d is insufficient for 3DES.", keylen); des_set_key((void *) padded, context->u.des3.key1); |