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Diffstat (limited to 'secure/lib/libdes/des.doc')
| -rw-r--r-- | secure/lib/libdes/des.doc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/secure/lib/libdes/des.doc b/secure/lib/libdes/des.doc index ec3a4c1..e83907e 100644 --- a/secure/lib/libdes/des.doc +++ b/secure/lib/libdes/des.doc @@ -146,6 +146,20 @@ int enc); des_cbc_encrypt accept that ivec is updates with the correct value to pass in subsequent calls to des_ncbc_encrypt(). I advise using des_ncbc_encrypt() instead of des_cbc_encrypt(); + +void des_xcbc_encrypt( +des_cblock *input, +des_cblock *output, +long length, +des_key_schedule sk, +des_cblock *ivec, +des_cblock *inw, +des_cblock *outw, +int enc); + This is RSA's DESX mode of DES. It uses inw and outw to + 'whiten' the encryption. inw and outw are secret (unlike the iv) + and are as such, part of the key. So the key is sort of 24 bytes. + This is much better than cbc des. void des_3cbc_encrypt( des_cblock *input, |
