diff options
Diffstat (limited to 'static/plan9-4e/man2/aes.2')
| -rw-r--r-- | static/plan9-4e/man2/aes.2 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/static/plan9-4e/man2/aes.2 b/static/plan9-4e/man2/aes.2 new file mode 100644 index 00000000..daf0043a --- /dev/null +++ b/static/plan9-4e/man2/aes.2 @@ -0,0 +1,50 @@ +.TH AES 2 +.SH NAME +setupAESstate, aesCBCencrypt, aesCBCdecrypt - advanced encryption standard (rijndael) +.SH SYNOPSIS +.B #include <u.h> +.br +.B #include <libc.h> +.br +.B #include <mp.h> +.br +.B #include <libsec.h> +.PP +.B +void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec) +.PP +.B +void aesCBCencrypt(uchar*, int, AESstate*) +.PP +.B +void aesCBCdecrypt(uchar*, int, AESstate*) +.PP +.SH DESCRIPTION +.PP +DES is being replaced by Rijndael, also known as AES, as the preferred +block ciper. +.IR setupAESstate , +.IR aesCBCencrypt , +and +.I aesCBCdecrypt +implement cipher block chaining encryption. +.I Keybytes +should be 16, 24, or 32. +The initialization vector +.I ivec +of +.I AESbsize +bytes should random enough to be unlikely to be reused but does not need to be +cryptographically strongly unpredictable. +.SH SOURCE +.B /sys/src/libsec +.SH SEE ALSO +.IR mp (2), +.IR blowfish (2), +.IR des (2), +.IR elgamal (2), +.IR rc4 (2), +.IR rsa (2), +.IR sechash (2), +.IR prime (2), +.IR rand (2) |