From 7f3caba522f4d24764f29d83aa2de9198bb7f01c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Adding upstream version 6.8. Signed-off-by: Daniel Baumann --- man3/des_crypt.3 | 164 ------------------------------------------------------- 1 file changed, 164 deletions(-) delete mode 100644 man3/des_crypt.3 (limited to 'man3/des_crypt.3') diff --git a/man3/des_crypt.3 b/man3/des_crypt.3 deleted file mode 100644 index 8a1228d..0000000 --- a/man3/des_crypt.3 +++ /dev/null @@ -1,164 +0,0 @@ -'\" t -.\" @(#)des_crypt.3 2.1 88/08/11 4.0 RPCSRC; from 1.16 88/03/02 SMI; -.\" -.\" Taken from libc4 sources, which say: -.\" Copyright (C) 1993 Eric Young - can be distributed under GPL. -.\" -.\" However, the above header line suggests that this file in fact is -.\" Copyright Sun Microsystems, Inc (and is provided for unrestricted use, -.\" see other Sun RPC sources). -.\" -.\" SPDX-License-Identifier: GPL-1.0-or-later -.\" -.TH des_crypt 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -des_crypt, ecb_crypt, cbc_crypt, des_setparity, DES_FAILED \- fast -DES encryption -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.\" Sun version -.\" .B #include -.B #include -.P -.BI "[[deprecated]] int ecb_crypt(char *" key ", char " data [. datalen ], -.BI " unsigned int " datalen ", \ -unsigned int " mode ); -.BI "[[deprecated]] int cbc_crypt(char *" key ", char " data [. datalen ], -.BI " unsigned int " datalen ", \ -unsigned int " mode , -.BI " char *" ivec ); -.P -.BI "[[deprecated]] void des_setparity(char *" key ); -.P -.BI "[[deprecated]] int DES_FAILED(int " status ); -.fi -.SH DESCRIPTION -.BR ecb_crypt () -and -.BR cbc_crypt () -implement the -NBS -DES -(Data Encryption Standard). -These routines are faster and more general purpose than -.BR crypt (3). -They also are able to utilize -DES -hardware if it is available. -.BR ecb_crypt () -encrypts in -ECB -(Electronic Code Book) -mode, which encrypts blocks of data independently. -.BR cbc_crypt () -encrypts in -CBC -(Cipher Block Chaining) -mode, which chains together -successive blocks. -CBC -mode protects against insertions, deletions, and -substitutions of blocks. -Also, regularities in the clear text will -not appear in the cipher text. -.P -Here is how to use these routines. -The first argument, -.IR key , -is the 8-byte encryption key with parity. -To set the key's parity, which for -DES -is in the low bit of each byte, use -.BR des_setparity (). -The second argument, -.IR data , -contains the data to be encrypted or decrypted. -The -third argument, -.IR datalen , -is the length in bytes of -.IR data , -which must be a multiple of 8. -The fourth argument, -.IR mode , -is formed by ORing together some things. -For the encryption direction OR in either -.B DES_ENCRYPT -or -.BR DES_DECRYPT . -For software versus hardware -encryption, OR in either -.B DES_HW -or -.BR DES_SW . -If -.B DES_HW -is specified, and there is no hardware, then the encryption is performed -in software and the routine returns -.BR DESERR_NOHWDEVICE . -For -.BR cbc_crypt (), -the argument -.I ivec -is the 8-byte initialization -vector for the chaining. -It is updated to the next initialization -vector upon return. -.SH RETURN VALUE -.TP -.B DESERR_NONE -No error. -.TP -.B DESERR_NOHWDEVICE -Encryption succeeded, but done in software instead of the requested hardware. -.TP -.B DESERR_HWERROR -An error occurred in the hardware or driver. -.TP -.B DESERR_BADPARAM -Bad argument to routine. -.P -Given a result status -.IR stat , -the macro -.\" .BR DES_FAILED\c -.\" .BR ( stat ) -.BI DES_FAILED( stat ) -is false only for the first two statuses. -.\" So far the Sun page -.\" Some additions - aeb -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR ecb_crypt (), -.BR cbc_crypt (), -.BR des_setparity () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -None. -.SH HISTORY -4.3BSD. -glibc 2.1. -Removed in glibc 2.28. -.P -Because they employ the DES block cipher, -which is no longer considered secure, -these functions were removed. -Applications should switch to a modern cryptography library, such as -.BR libgcrypt . -.SH SEE ALSO -.BR des (1), -.BR crypt (3), -.BR xcrypt (3) -- cgit v1.2.3