auth/keyfs: support -r flag to mount read-only

[plan9front.git] / sys / man / 2 / sechash

diff --git a/sys/man/2/sechash b/sys/man/2/sechash
old mode 100755 (executable)
new mode 100644 (file)
index 7524881..2f1c854
--- a/sys/man/2/sechash
+++ b/sys/man/2/sechash
@@ -2,9 +2,10 @@
 .SH NAME
 md4, md5,
 sha1, sha2_224, sha2_256, sha2_384, sha2_512,
-aes, hmac_x, hmac_md5,
+ripemd160, poly1305,
+hmac_x, hmac_md5,
 hmac_sha1, hmac_sha2_224, hmac_sha2_256, hmac_sha2_384, hmac_sha2_512,
-hmac_aes, md5pickle, md5unpickle,
+md5pickle, md5unpickle,
 sha1pickle, sha1unpickle \- cryptographically secure hashes
 .SH SYNOPSIS
 .nr Wd \w'\fLDS* \fP'u
@@ -55,7 +56,9 @@ DS*   sha2_384(uchar *data, ulong dlen, uchar *digest, DS *state)
 .Ti
 DS*    sha2_512(uchar *data, ulong dlen, uchar *digest, DS *state)
 .Ti
-DS*    aes(uchar *data, ulong dlen, uchar *digest, DS *state)
+DS*    ripemd160(uchar *data, ulong dlen, uchar *digest, DS *state)
+.Ti
+DS*    poly1305(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DS *state)
 .Ti
 DS*    hmac_x(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DS *s, DS*(*x)(uchar*, ulong, uchar*, DS*), int xlen)
 .Ti
@@ -70,8 +73,6 @@ DS*   hmac_sha2_256(uchar *data, ulong dlen, uchar *key, ulong klen, uchar *digest
 DS*    hmac_sha2_384(uchar *data, ulong dlen, uchar *key, ulong klen, uchar *digest, DS *state)
 .Ti
 DS*    hmac_sha2_512(uchar *data, ulong dlen, uchar *key, ulong klen, uchar *digest, DS *state)
-.Ti
-DS*    hmac_aes(uchar *data, ulong dlen, uchar *key, ulong klen, uchar *digest, DS *state)
 .SH DESCRIPTION
 .DT
 We support several secure hash functions.  The output of a
@@ -92,15 +93,15 @@ The routines
 .IR sha2_256 ,
 .IR sha2_384 ,
 .IR sha2_512 ,
-.IR aes ,
+.IR ripemd160 ,
+.IR poly1305 ,
 .IR hmac_md5 ,
 .IR hmac_sha1 ,
 .IR hmac_sha2_224 ,
 .IR hmac_sha2_256 ,
 .IR hmac_sha2_384 ,
-.IR hmac_sha2_512 ,
 and
-.I hmac_aes
+.IR hmac_sha2_512
 differ only in the length of the resulting digest
 and in the security of the hash.
 .I Sha2_*
@@ -139,9 +140,8 @@ define the lengths of the digests.
 .IR hmac_sha2_224 ,
 .IR hmac_sha2_256 ,
 .IR hmac_sha2_384 ,
-.IR hmac_sha2_512 ,
 and
-.I hmac_aes
+.IR hmac_sha2_512
 are used slightly differently.  These hash algorithms are keyed and require
 a key to be specified on every call.
 The digest lengths for these hashes are the obvious ones from
@@ -152,6 +152,10 @@ internally, but
 .I hmac_x
 is not intended for general use.
 .PP
+.IR Poly1305
+is a one-time authenticator designed by D. J. Bernstein. It takes a 32-byte
+one-time key and a message and produces a 16-byte tag.
+.PP
 The functions
 .I md5pickle
 and
@@ -190,7 +194,6 @@ md5("drowssap ym", 11, digest, s);
 .SH SOURCE
 .B /sys/src/libsec
 .SH SEE ALSO
-.IR aes (2),
 .IR blowfish (2),
 .IR des (2),
 .IR elgamal (2),