Bug Summary

File:out/../deps/openssl/openssl/crypto/des/des_enc.c
Warning:line 301, column 27
Although the value stored to 'tout1' is used in the enclosing expression, the value is never actually read from 'tout1'

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name des_enc.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/maurizio/node-v18.6.0/out -resource-dir /usr/local/lib/clang/16.0.0 -D V8_DEPRECATION_WARNINGS -D V8_IMMINENT_DEPRECATION_WARNINGS -D _GLIBCXX_USE_CXX11_ABI=1 -D NODE_OPENSSL_CONF_NAME=nodejs_conf -D NODE_OPENSSL_HAS_QUIC -D __STDC_FORMAT_MACROS -D OPENSSL_NO_PINSHARED -D OPENSSL_THREADS -D OPENSSL_NO_HW -D OPENSSL_API_COMPAT=0x10100001L -D STATIC_LEGACY -D NDEBUG -D OPENSSL_USE_NODELETE -D L_ENDIAN -D OPENSSL_BUILDING_OPENSSL -D AES_ASM -D BSAES_ASM -D CMLL_ASM -D ECP_NISTZ256_ASM -D GHASH_ASM -D KECCAK1600_ASM -D MD5_ASM -D OPENSSL_BN_ASM_GF2m -D OPENSSL_BN_ASM_MONT -D OPENSSL_BN_ASM_MONT5 -D OPENSSL_CPUID_OBJ -D OPENSSL_IA32_SSE2 -D PADLOCK_ASM -D POLY1305_ASM -D SHA1_ASM -D SHA256_ASM -D SHA512_ASM -D VPAES_ASM -D WHIRLPOOL_ASM -D X25519_ASM -D OPENSSL_PIC -D MODULESDIR="/home/maurizio/node-v18.6.0/out/Release/obj.target/deps/openssl/lib/openssl-modules" -D OPENSSLDIR="/home/maurizio/node-v18.6.0/out/Release/obj.target/deps/openssl" -D OPENSSLDIR="/etc/ssl" -D ENGINESDIR="/dev/null" -D TERMIOS -I ../deps/openssl/openssl -I ../deps/openssl/openssl/include -I ../deps/openssl/openssl/crypto -I ../deps/openssl/openssl/crypto/include -I ../deps/openssl/openssl/crypto/modes -I ../deps/openssl/openssl/crypto/ec/curve448 -I ../deps/openssl/openssl/crypto/ec/curve448/arch_32 -I ../deps/openssl/openssl/providers/common/include -I ../deps/openssl/openssl/providers/implementations/include -I ../deps/openssl/config -I ../deps/openssl/config/archs/linux-x86_64/asm -I ../deps/openssl/config/archs/linux-x86_64/asm/include -I ../deps/openssl/config/archs/linux-x86_64/asm/crypto -I ../deps/openssl/config/archs/linux-x86_64/asm/crypto/include/internal -I ../deps/openssl/config/archs/linux-x86_64/asm/providers/common/include -internal-isystem /usr/local/lib/clang/16.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-redhat-linux/8/../../../../x86_64-redhat-linux/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-unused-parameter -Wno-missing-field-initializers -Wno-old-style-declaration -fdebug-compilation-dir=/home/maurizio/node-v18.6.0/out -ferror-limit 19 -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2022-08-22-142216-507842-1 -x c ../deps/openssl/openssl/crypto/des/des_enc.c
1/*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * DES low level APIs are deprecated for public use, but still ok for internal
12 * use.
13 */
14#include "internal/deprecated.h"
15
16#include <openssl/crypto.h>
17#include "des_local.h"
18#include "spr.h"
19
20void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc)
21{
22 register DES_LONG l, r, t, u;
23 register DES_LONG *s;
24
25 r = data[0];
26 l = data[1];
27
28 IP(r, l){ register DES_LONG tt; ((tt)=((((l)>>(4))^(r))&(0x0f0f0f0fL
)), (r)^=(tt), (l)^=((tt)<<(4))); ((tt)=((((r)>>(
16))^(l))&(0x0000ffffL)), (l)^=(tt), (r)^=((tt)<<(16
))); ((tt)=((((l)>>(2))^(r))&(0x33333333L)), (r)^=(
tt), (l)^=((tt)<<(2))); ((tt)=((((r)>>(8))^(l))&
(0x00ff00ffL)), (l)^=(tt), (r)^=((tt)<<(8))); ((tt)=(((
(l)>>(1))^(r))&(0x55555555L)), (r)^=(tt), (l)^=((tt
)<<(1))); };
29 /*
30 * Things have been modified so that the initial rotate is done outside
31 * the loop. This required the DES_SPtrans values in sp.h to be rotated
32 * 1 bit to the right. One perl script later and things have a 5% speed
33 * up on a sparc2. Thanks to Richard Outerbridge for pointing this out.
34 */
35 /* clear the top bits on machines with 8byte longs */
36 /* shift left by 2 */
37 r = ROTATE(r, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(29),"0"(r) : "cc"); ret; }) & 0xffffffffL;
38 l = ROTATE(l, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(29),"0"(l) : "cc"); ret; }) & 0xffffffffL;
39
40 s = ks->ks->deslong;
41 /*
42 * I don't know if it is worth the effort of loop unrolling the inner
43 * loop
44 */
45 if (enc) {
46 D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 1 */
47 D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 2 */
48 D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 3 */
49 D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 4 */
50 D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 5 */
51 D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 6 */
52 D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 7 */
53 D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 8 */
54 D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 9 */
55 D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 10 */
56 D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 11 */
57 D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 12 */
58 D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 13 */
59 D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 14 */
60 D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 15 */
61 D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 16 */
62 } else {
63 D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 16 */
64 D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 15 */
65 D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 14 */
66 D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 13 */
67 D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 12 */
68 D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 11 */
69 D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 10 */
70 D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 9 */
71 D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 8 */
72 D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 7 */
73 D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 6 */
74 D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 5 */
75 D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 4 */
76 D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 3 */
77 D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 2 */
78 D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 1 */
79 }
80
81 /* rotate and clear the top bits on machines with 8byte longs */
82 l = ROTATE(l, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(3),"0"(l) : "cc"); ret; }) & 0xffffffffL;
83 r = ROTATE(r, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(3),"0"(r) : "cc"); ret; }) & 0xffffffffL;
84
85 FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L
)), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>(
8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8)
)); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt
), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))&
(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=((
((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt
)<<(4))); };
86 data[0] = l;
87 data[1] = r;
88 l = r = t = u = 0;
89}
90
91void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc)
92{
93 register DES_LONG l, r, t, u;
94 register DES_LONG *s;
95
96 r = data[0];
97 l = data[1];
98
99 /*
100 * Things have been modified so that the initial rotate is done outside
101 * the loop. This required the DES_SPtrans values in sp.h to be rotated
102 * 1 bit to the right. One perl script later and things have a 5% speed
103 * up on a sparc2. Thanks to Richard Outerbridge for pointing this out.
104 */
105 /* clear the top bits on machines with 8byte longs */
106 r = ROTATE(r, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(29),"0"(r) : "cc"); ret; }) & 0xffffffffL;
107 l = ROTATE(l, 29)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(29),"0"(l) : "cc"); ret; }) & 0xffffffffL;
108
109 s = ks->ks->deslong;
110 /*
111 * I don't know if it is worth the effort of loop unrolling the inner
112 * loop
113 */
114 if (enc) {
115 D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 1 */
116 D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 2 */
117 D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 3 */
118 D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 4 */
119 D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 5 */
120 D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 6 */
121 D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 7 */
122 D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 8 */
123 D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 9 */
124 D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 10 */
125 D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 11 */
126 D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 12 */
127 D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 13 */
128 D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 14 */
129 D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 15 */
130 D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 16 */
131 } else {
132 D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 16 */
133 D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 15 */
134 D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 14 */
135 D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 13 */
136 D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 12 */
137 D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 11 */
138 D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 10 */
139 D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 9 */
140 D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 8 */
141 D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 7 */
142 D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 6 */
143 D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 5 */
144 D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 4 */
145 D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 3 */
146 D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); l
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 2 */
147 D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=({ register unsigned int ret; asm
("rorl %1,%0" : "=r"(ret) : "I"(4),"0"(t) : "cc"); ret; }); r
^= DES_SPtrans[0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u
>>10L)&0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f
]^ DES_SPtrans[6][(u>>26L)&0x3f]^ DES_SPtrans[1][(t
>> 2L)&0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f
]^ DES_SPtrans[5][(t>>18L)&0x3f]^ DES_SPtrans[7][(t
>>26L)&0x3f]; }; /* 1 */
148 }
149 /* rotate and clear the top bits on machines with 8byte longs */
150 data[0] = ROTATE(l, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(3),"0"(l) : "cc"); ret; }) & 0xffffffffL;
151 data[1] = ROTATE(r, 3)({ register unsigned int ret; asm ("rorl %1,%0" : "=r"(ret) :
"I"(3),"0"(r) : "cc"); ret; }) & 0xffffffffL;
152 l = r = t = u = 0;
153}
154
155void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
156 DES_key_schedule *ks2, DES_key_schedule *ks3)
157{
158 register DES_LONG l, r;
159
160 l = data[0];
161 r = data[1];
162 IP(l, r){ register DES_LONG tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL
)), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>(
16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16
))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(
tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))&
(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=(((
(r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt
)<<(1))); };
163 data[0] = l;
164 data[1] = r;
165 DES_encrypt2((DES_LONG *)data, ks1, DES_ENCRYPT1);
166 DES_encrypt2((DES_LONG *)data, ks2, DES_DECRYPT0);
167 DES_encrypt2((DES_LONG *)data, ks3, DES_ENCRYPT1);
168 l = data[0];
169 r = data[1];
170 FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L
)), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>(
8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8)
)); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt
), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))&
(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=((
((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt
)<<(4))); };
171 data[0] = l;
172 data[1] = r;
173}
174
175void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
176 DES_key_schedule *ks2, DES_key_schedule *ks3)
177{
178 register DES_LONG l, r;
179
180 l = data[0];
181 r = data[1];
182 IP(l, r){ register DES_LONG tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL
)), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>(
16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16
))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(
tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))&
(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=(((
(r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt
)<<(1))); };
183 data[0] = l;
184 data[1] = r;
185 DES_encrypt2((DES_LONG *)data, ks3, DES_DECRYPT0);
186 DES_encrypt2((DES_LONG *)data, ks2, DES_ENCRYPT1);
187 DES_encrypt2((DES_LONG *)data, ks1, DES_DECRYPT0);
188 l = data[0];
189 r = data[1];
190 FP(r, l){ register DES_LONG tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L
)), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>(
8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8)
)); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt
), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))&
(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=((
((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt
)<<(4))); };
191 data[0] = l;
192 data[1] = r;
193}
194
195#ifndef DES_DEFAULT_OPTIONS
196
197# undef CBC_ENC_C__DONT_UPDATE_IV
198# include "ncbc_enc.c" /* DES_ncbc_encrypt */
199
200void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
201 long length, DES_key_schedule *ks1,
202 DES_key_schedule *ks2, DES_key_schedule *ks3,
203 DES_cblock *ivec, int enc)
204{
205 register DES_LONG tin0, tin1;
206 register DES_LONG tout0, tout1, xor0, xor1;
207 register const unsigned char *in;
208 unsigned char *out;
209 register long l = length;
210 DES_LONG tin[2];
211 unsigned char *iv;
212
213 in = input;
214 out = output;
215 iv = &(*ivec)[0];
216
217 if (enc) {
218 c2l(iv, tout0)(tout0 =((DES_LONG)(*((iv)++))) , tout0|=((DES_LONG)(*((iv)++
)))<< 8L, tout0|=((DES_LONG)(*((iv)++)))<<16L, tout0
|=((DES_LONG)(*((iv)++)))<<24L);
219 c2l(iv, tout1)(tout1 =((DES_LONG)(*((iv)++))) , tout1|=((DES_LONG)(*((iv)++
)))<< 8L, tout1|=((DES_LONG)(*((iv)++)))<<16L, tout1
|=((DES_LONG)(*((iv)++)))<<24L);
220 for (l -= 8; l >= 0; l -= 8) {
221 c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++))
)<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|=
((DES_LONG)(*((in)++)))<<24L);
222 c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++))
)<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|=
((DES_LONG)(*((in)++)))<<24L);
223 tin0 ^= tout0;
224 tin1 ^= tout1;
225
226 tin[0] = tin0;
227 tin[1] = tin1;
228 DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);
229 tout0 = tin[0];
230 tout1 = tin[1];
231
232 l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)=
(unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout0)>>24L)&0xff));
233 l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)=
(unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout1)>>24L)&0xff));
234 }
235 if (l != -8) {
236 c2ln(in, tin0, tin1, l + 8){ in+=l + 8; tin0=tin1=0; switch (l + 8) { case 8: tin1 =((DES_LONG
)(*(--(in))))<<24L; case 7: tin1|=((DES_LONG)(*(--(in))
))<<16L; case 6: tin1|=((DES_LONG)(*(--(in))))<< 8L
; case 5: tin1|=((DES_LONG)(*(--(in)))); case 4: tin0 =((DES_LONG
)(*(--(in))))<<24L; case 3: tin0|=((DES_LONG)(*(--(in))
))<<16L; case 2: tin0|=((DES_LONG)(*(--(in))))<< 8L
; case 1: tin0|=((DES_LONG)(*(--(in)))); } };
237 tin0 ^= tout0;
238 tin1 ^= tout1;
239
240 tin[0] = tin0;
241 tin[1] = tin1;
242 DES_encrypt3((DES_LONG *)tin, ks1, ks2, ks3);
243 tout0 = tin[0];
244 tout1 = tin[1];
245
246 l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)=
(unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout0)>>24L)&0xff));
247 l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)=
(unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout1)>>24L)&0xff));
248 }
249 iv = &(*ivec)[0];
250 l2c(tout0, iv)(*((iv)++)=(unsigned char)(((tout0) )&0xff), *((iv)++)=(unsigned
char)(((tout0)>> 8L)&0xff), *((iv)++)=(unsigned char
)(((tout0)>>16L)&0xff), *((iv)++)=(unsigned char)((
(tout0)>>24L)&0xff));
251 l2c(tout1, iv)(*((iv)++)=(unsigned char)(((tout1) )&0xff), *((iv)++)=(unsigned
char)(((tout1)>> 8L)&0xff), *((iv)++)=(unsigned char
)(((tout1)>>16L)&0xff), *((iv)++)=(unsigned char)((
(tout1)>>24L)&0xff));
252 } else {
253 register DES_LONG t0, t1;
254
255 c2l(iv, xor0)(xor0 =((DES_LONG)(*((iv)++))) , xor0|=((DES_LONG)(*((iv)++))
)<< 8L, xor0|=((DES_LONG)(*((iv)++)))<<16L, xor0|=
((DES_LONG)(*((iv)++)))<<24L);
256 c2l(iv, xor1)(xor1 =((DES_LONG)(*((iv)++))) , xor1|=((DES_LONG)(*((iv)++))
)<< 8L, xor1|=((DES_LONG)(*((iv)++)))<<16L, xor1|=
((DES_LONG)(*((iv)++)))<<24L);
257 for (l -= 8; l >= 0; l -= 8) {
258 c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++))
)<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|=
((DES_LONG)(*((in)++)))<<24L);
259 c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++))
)<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|=
((DES_LONG)(*((in)++)))<<24L);
260
261 t0 = tin0;
262 t1 = tin1;
263
264 tin[0] = tin0;
265 tin[1] = tin1;
266 DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);
267 tout0 = tin[0];
268 tout1 = tin[1];
269
270 tout0 ^= xor0;
271 tout1 ^= xor1;
272 l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)=
(unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout0)>>24L)&0xff));
273 l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)=
(unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned
char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char
)(((tout1)>>24L)&0xff));
274 xor0 = t0;
275 xor1 = t1;
276 }
277 if (l != -8) {
278 c2l(in, tin0)(tin0 =((DES_LONG)(*((in)++))) , tin0|=((DES_LONG)(*((in)++))
)<< 8L, tin0|=((DES_LONG)(*((in)++)))<<16L, tin0|=
((DES_LONG)(*((in)++)))<<24L);
279 c2l(in, tin1)(tin1 =((DES_LONG)(*((in)++))) , tin1|=((DES_LONG)(*((in)++))
)<< 8L, tin1|=((DES_LONG)(*((in)++)))<<16L, tin1|=
((DES_LONG)(*((in)++)))<<24L);
280
281 t0 = tin0;
282 t1 = tin1;
283
284 tin[0] = tin0;
285 tin[1] = tin1;
286 DES_decrypt3((DES_LONG *)tin, ks1, ks2, ks3);
287 tout0 = tin[0];
288 tout1 = tin[1];
289
290 tout0 ^= xor0;
291 tout1 ^= xor1;
292 l2cn(tout0, tout1, out, l + 8){ out+=l + 8; switch (l + 8) { case 8: *(--(out))=(unsigned char
)(((tout1)>>24L)&0xff); case 7: *(--(out))=(unsigned
char)(((tout1)>>16L)&0xff); case 6: *(--(out))=(unsigned
char)(((tout1)>> 8L)&0xff); case 5: *(--(out))=(unsigned
char)(((tout1) )&0xff); case 4: *(--(out))=(unsigned char
)(((tout0)>>24L)&0xff); case 3: *(--(out))=(unsigned
char)(((tout0)>>16L)&0xff); case 2: *(--(out))=(unsigned
char)(((tout0)>> 8L)&0xff); case 1: *(--(out))=(unsigned
char)(((tout0) )&0xff); } };
293 xor0 = t0;
294 xor1 = t1;
295 }
296
297 iv = &(*ivec)[0];
298 l2c(xor0, iv)(*((iv)++)=(unsigned char)(((xor0) )&0xff), *((iv)++)=(unsigned
char)(((xor0)>> 8L)&0xff), *((iv)++)=(unsigned char
)(((xor0)>>16L)&0xff), *((iv)++)=(unsigned char)(((
xor0)>>24L)&0xff));
299 l2c(xor1, iv)(*((iv)++)=(unsigned char)(((xor1) )&0xff), *((iv)++)=(unsigned
char)(((xor1)>> 8L)&0xff), *((iv)++)=(unsigned char
)(((xor1)>>16L)&0xff), *((iv)++)=(unsigned char)(((
xor1)>>24L)&0xff));
300 }
301 tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
Although the value stored to 'tout1' is used in the enclosing expression, the value is never actually read from 'tout1'
302 tin[0] = tin[1] = 0;
303}
304
305#endif /* DES_DEFAULT_OPTIONS */