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[2000-11-29 19:40 UTC] barton at applitec dot com
I have mcrypt libmcrypt 2.4.7.
Following simple script:
define("CIPHER", MCRYPT_TWOFISH);
define("MODE1", MCRYPT_MODE_CBC);
define("MODE2", MCRYPT_CBC);
print("cipher=". CIPHER . " mode1=" . MODE1 . "mode2=" . MODE2 . "<br>\n");
What prints is "cipher=twofish mode1=MCRYPT_MODE_CBC MODE2=MCRYPT_CBC"
The mcrypt.h file has #define MCRYPT_CBC "cbc"
so I don't understand?
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Last updated: Wed Oct 29 13:00:01 2025 UTC |
The following is defined in the code (PHP wrapper): #if HAVE_LIBMCRYPT24 MCRYPT_ENTRY2_2_4(ARCFOUR_IV, "arcfour-iv"); MCRYPT_ENTRY2_2_4(ARCFOUR, "arcfour"); MCRYPT_ENTRY2_2_4(BLOWFISH, "blowfish"); ... MCRYPT_ENTRY2_2_4(MODE_CBC, "cbc"); MCRYPT_ENTRY2_2_4(MODE_CFB, "cfb"); MCRYPT_ENTRY2_2_4(MODE_ECB, "ecb"); MCRYPT_ENTRY2_2_4(MODE_NOFB, "nofb"); MCRYPT_ENTRY2_2_4(MODE_OFB, "ofb"); MCRYPT_ENTRY2_2_4(MODE_STREAM, "stream"); REGISTER_INI_ENTRIES(); #endif So if MCRYPT_BLOWFISH works, then MCRYPT_MODE_CBC should work too. I'm going to check this out later.The following code snippet: <?php echo MCRYPT_TWOFISH."<BR>\n"; echo MCRYPT_MODE_CBC."<BR>\n"; ?> <?php define ("MODE1", MCRYPT_MODE_CBC); echo MODE1."<BR>\n"; ?> <?php define ("CIPHER", MCRYPT_TWOFISH); define ("MODE1", MCRYPT_MODE_CBC); define ("MODE2", MCRYPT_CBC); printf ("cipher=".CIPHER. " mode1=".MODE1. " mode2=". MODE2."<BR>\n"); ?> procudes this: twofish cbc cbc cipher=twofish mode1=cbc mode2=MCRYPT_CBC Which is expected. From source code analyses it is not even possible that MCRYPT_TWOFISH is defined, but MCRYPT_MODE_CBC is not. So closing