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author | 2014-12-08 20:46:04 +0000 | |
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committer | 2014-12-08 20:46:04 +0000 | |
commit | 12232044f86987f6161b4afdd838c67a033683e3 (patch) | |
tree | a3996f375dcb9b10d1e8545db862c1e4226114ea /lib/libc/crypt/crypt.3 | |
parent | remove cfree from documentation (diff) | |
download | wireguard-openbsd-12232044f86987f6161b4afdd838c67a033683e3.tar.xz wireguard-openbsd-12232044f86987f6161b4afdd838c67a033683e3.zip |
delete documentation for deleted DES interfaces
Diffstat (limited to 'lib/libc/crypt/crypt.3')
-rw-r--r-- | lib/libc/crypt/crypt.3 | 86 |
1 files changed, 2 insertions, 84 deletions
diff --git a/lib/libc/crypt/crypt.3 b/lib/libc/crypt/crypt.3 index 9a73c7a515a..f6373c5125f 100644 --- a/lib/libc/crypt/crypt.3 +++ b/lib/libc/crypt/crypt.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: crypt.3,v 1.43 2014/12/02 07:39:58 schwarze Exp $ +.\" $OpenBSD: crypt.3,v 1.44 2014/12/08 20:46:04 tedu Exp $ .\" .\" FreeSec: libcrypt .\" @@ -31,32 +31,20 @@ .\" .\" Manual page, using -mandoc macros .\" -.Dd $Mdocdate: December 2 2014 $ +.Dd $Mdocdate: December 8 2014 $ .Dt CRYPT 3 .Os .Sh NAME .Nm crypt , -.Nm setkey , -.Nm encrypt , -.Nm des_setkey , -.Nm des_cipher , .Nm bcrypt_gensalt , .Nm bcrypt .Nd password hashing .Sh SYNOPSIS .In stdlib.h -.Ft int -.Fn setkey "const char *key" .Pp .In unistd.h .Ft char * .Fn crypt "const char *key" "const char *setting" -.Ft int -.Fn encrypt "char *block" "int flag" -.Ft int -.Fn des_setkey "const char *key" -.Ft int -.Fn des_cipher "const char *in" "char *out" "int32_t salt" "int count" .In pwd.h .Ft char * .Fn bcrypt_gensalt "u_int8_t log_rounds" @@ -189,82 +177,12 @@ The value returned is a NUL-terminated string, 20 or 13 bytes (plus NUL) in length, consisting of the .Fa setting followed by the encoded 64-bit encryption. -.Pp -The functions -.Fn encrypt , -.Fn setkey , -.Fn des_setkey , -and -.Fn des_cipher -provide access to the -DES algorithm itself. -.Fn setkey -is passed a 64-byte array of binary values (numeric 0 or 1). -A 56-bit key is extracted from this array by dividing the -array into groups of 8, and ignoring the last bit in each group. -That bit is reserved for a byte parity check by DES, but is ignored -by these functions. -.Pp -The -.Fa block -argument to -.Fn encrypt -is also a 64-byte array of binary values. -If the value of -.Fa flag -is 0, -.Fa block -is encrypted otherwise it is decrypted. -The result is returned in the original array -.Fa block -after using the key specified by -.Fn setkey -to process it. -.Pp -The argument to -.Fn des_setkey -is a character array of length 8. -The least significant bit (the parity bit) in each character is ignored, -and the remaining bits are concatenated to form a 56-bit key. -The function -.Fn des_cipher -encrypts (or decrypts if -.Fa count -is negative) the 64-bits stored in the 8 characters at -.Fa in -using -.Xr abs 3 -of -.Fa count -iterations of DES -and stores the 64-bit result in the 8 characters at -.Fa out -(which may be the same as -.Fa in ) . -The -.Fa salt -specifies perturbations to the DES -E-box output as described above. -.Pp -The -.Fn crypt , -.Fn setkey , -and -.Fn des_setkey -functions all manipulate the same key space. .Sh RETURN VALUES The function .Fn crypt returns a pointer to the encrypted value on success, and .Dv NULL on failure. -The functions -.Fn setkey , -.Fn encrypt , -.Fn des_setkey , -and -.Fn des_cipher -return 0 on success and 1 on failure. .Sh SEE ALSO .Xr encrypt 1 , .Xr login 1 , |