Sie suchten nach: mcrypt (Koreanisch - Englisch)

mcrypt.
mhash.

these functions work using mcrypt.
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mcrypt_twofish (for older mcrypt 2.x versions, or mcrypt 2.4.x)
example 1.

here is a short list of ciphers which are currently supported by the mcrypt extension. if a cipher is not listed here, but is listed by mcrypt as supported, you can safely assume that this documentation is outdated.
with the libmcrypt-2.4.x and libmcrypt-2.5.x api these constants also work, but it is possible to specify the name of the cipher as a string with a call to mcrypt_module_open().

for a complete list of supported ciphers, see the defines at the end of mcrypt.h. the general rule with the mcrypt-2.2.x api is that you can access the cipher from php with mcrypt_ciphername. with the mcrypt-2.4.x api these constants also work, but it is possible to specify the name of the cipher as a string with a call to mcrypt_module_open().
for a complete list of supported ciphers, see the defines at the end of mcrypt.h.