The idea of the International Kernel Patch is to collect all crypto patches so that using crypto in the kernel will be easier than today. The patch includes a number of crypto patches including a crypto API including Blowfish, CAST-128, DES, DFC, IDEA, MARS, RC6, Rijndael, Safer, Serpent, and Twofish, an encrypted filesystem loopback device using the crypto API, CIPE VPN and EnSKIP patches.
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