diff options
| author | jsing <> | 2023-07-08 07:25:43 +0000 |
|---|---|---|
| committer | jsing <> | 2023-07-08 07:25:43 +0000 |
| commit | affb326535372e10f40ad6d98bb7ad5366f19202 (patch) | |
| tree | 62f8b433574e4f04b2602a55200cbb3ef37b48f0 /src/lib/libcrypto/cast/c_cfb64.c | |
| parent | 76f3e45e5e334b3d6431f9c0e76ac816fc551075 (diff) | |
| download | openbsd-affb326535372e10f40ad6d98bb7ad5366f19202.tar.gz openbsd-affb326535372e10f40ad6d98bb7ad5366f19202.tar.bz2 openbsd-affb326535372e10f40ad6d98bb7ad5366f19202.zip | |
Hit cast with the style(9) stick.
Diffstat (limited to 'src/lib/libcrypto/cast/c_cfb64.c')
| -rw-r--r-- | src/lib/libcrypto/cast/c_cfb64.c | 110 |
1 files changed, 56 insertions, 54 deletions
diff --git a/src/lib/libcrypto/cast/c_cfb64.c b/src/lib/libcrypto/cast/c_cfb64.c index 9586f932aa..2b1883b1fb 100644 --- a/src/lib/libcrypto/cast/c_cfb64.c +++ b/src/lib/libcrypto/cast/c_cfb64.c | |||
| @@ -1,25 +1,25 @@ | |||
| 1 | /* $OpenBSD: c_cfb64.c,v 1.6 2022/11/26 16:08:51 tb Exp $ */ | 1 | /* $OpenBSD: c_cfb64.c,v 1.7 2023/07/08 07:25:43 jsing Exp $ */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. | 3 | * All rights reserved. |
| 4 | * | 4 | * |
| 5 | * This package is an SSL implementation written | 5 | * This package is an SSL implementation written |
| 6 | * by Eric Young (eay@cryptsoft.com). | 6 | * by Eric Young (eay@cryptsoft.com). |
| 7 | * The implementation was written so as to conform with Netscapes SSL. | 7 | * The implementation was written so as to conform with Netscapes SSL. |
| 8 | * | 8 | * |
| 9 | * This library is free for commercial and non-commercial use as long as | 9 | * This library is free for commercial and non-commercial use as long as |
| 10 | * the following conditions are aheared to. The following conditions | 10 | * the following conditions are aheared to. The following conditions |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, | 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 13 | * included with this distribution is covered by the same copyright terms | 13 | * included with this distribution is covered by the same copyright terms |
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 15 | * | 15 | * |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in | 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 17 | * the code are not to be removed. | 17 | * the code are not to be removed. |
| 18 | * If this package is used in a product, Eric Young should be given attribution | 18 | * If this package is used in a product, Eric Young should be given attribution |
| 19 | * as the author of the parts of the library used. | 19 | * as the author of the parts of the library used. |
| 20 | * This can be in the form of a textual message at program startup or | 20 | * This can be in the form of a textual message at program startup or |
| 21 | * in documentation (online or textual) provided with the package. | 21 | * in documentation (online or textual) provided with the package. |
| 22 | * | 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without | 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions | 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: | 25 | * are met: |
| @@ -34,10 +34,10 @@ | |||
| 34 | * Eric Young (eay@cryptsoft.com)" | 34 | * Eric Young (eay@cryptsoft.com)" |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library | 35 | * The word 'cryptographic' can be left out if the rouines from the library |
| 36 | * being used are not cryptographic related :-). | 36 | * being used are not cryptographic related :-). |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 38 | * the apps directory (application code) you must include an acknowledgement: | 38 | * the apps directory (application code) you must include an acknowledgement: |
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 40 | * | 40 | * |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| @@ -49,7 +49,7 @@ | |||
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 51 | * SUCH DAMAGE. | 51 | * SUCH DAMAGE. |
| 52 | * | 52 | * |
| 53 | * The licence and distribution terms for any publically available version or | 53 | * The licence and distribution terms for any publically available version or |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 55 | * copied and put under another distribution licence | 55 | * copied and put under another distribution licence |
| @@ -64,58 +64,60 @@ | |||
| 64 | * 64bit block we have used is contained in *num; | 64 | * 64bit block we have used is contained in *num; |
| 65 | */ | 65 | */ |
| 66 | 66 | ||
| 67 | void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out, | 67 | void |
| 68 | long length, const CAST_KEY *schedule, unsigned char *ivec, | 68 | CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out, |
| 69 | int *num, int enc) | 69 | long length, const CAST_KEY *schedule, unsigned char *ivec, |
| 70 | { | 70 | int *num, int enc) |
| 71 | CAST_LONG v0,v1,t; | 71 | { |
| 72 | CAST_LONG v0, v1, t; | ||
| 72 | int n= *num; | 73 | int n= *num; |
| 73 | long l=length; | 74 | long l = length; |
| 74 | CAST_LONG ti[2]; | 75 | CAST_LONG ti[2]; |
| 75 | unsigned char *iv,c,cc; | 76 | unsigned char *iv, c, cc; |
| 76 | 77 | ||
| 77 | iv=ivec; | 78 | iv = ivec; |
| 78 | if (enc) | 79 | if (enc) { |
| 79 | { | 80 | while (l--) { |
| 80 | while (l--) | 81 | if (n == 0) { |
| 81 | { | 82 | n2l(iv, v0); |
| 82 | if (n == 0) | 83 | ti[0] = v0; |
| 83 | { | 84 | n2l(iv, v1); |
| 84 | n2l(iv,v0); ti[0]=v0; | 85 | ti[1] = v1; |
| 85 | n2l(iv,v1); ti[1]=v1; | 86 | CAST_encrypt((CAST_LONG *)ti, schedule); |
| 86 | CAST_encrypt((CAST_LONG *)ti,schedule); | 87 | iv = ivec; |
| 87 | iv=ivec; | 88 | t = ti[0]; |
| 88 | t=ti[0]; l2n(t,iv); | 89 | l2n(t, iv); |
| 89 | t=ti[1]; l2n(t,iv); | 90 | t = ti[1]; |
| 90 | iv=ivec; | 91 | l2n(t, iv); |
| 91 | } | 92 | iv = ivec; |
| 92 | c= *(in++)^iv[n]; | ||
| 93 | *(out++)=c; | ||
| 94 | iv[n]=c; | ||
| 95 | n=(n+1)&0x07; | ||
| 96 | } | 93 | } |
| 94 | c= *(in++)^iv[n]; | ||
| 95 | *(out++) = c; | ||
| 96 | iv[n] = c; | ||
| 97 | n = (n + 1)&0x07; | ||
| 97 | } | 98 | } |
| 98 | else | 99 | } else { |
| 99 | { | 100 | while (l--) { |
| 100 | while (l--) | 101 | if (n == 0) { |
| 101 | { | 102 | n2l(iv, v0); |
| 102 | if (n == 0) | 103 | ti[0] = v0; |
| 103 | { | 104 | n2l(iv, v1); |
| 104 | n2l(iv,v0); ti[0]=v0; | 105 | ti[1] = v1; |
| 105 | n2l(iv,v1); ti[1]=v1; | 106 | CAST_encrypt((CAST_LONG *)ti, schedule); |
| 106 | CAST_encrypt((CAST_LONG *)ti,schedule); | 107 | iv = ivec; |
| 107 | iv=ivec; | 108 | t = ti[0]; |
| 108 | t=ti[0]; l2n(t,iv); | 109 | l2n(t, iv); |
| 109 | t=ti[1]; l2n(t,iv); | 110 | t = ti[1]; |
| 110 | iv=ivec; | 111 | l2n(t, iv); |
| 111 | } | 112 | iv = ivec; |
| 112 | cc= *(in++); | ||
| 113 | c=iv[n]; | ||
| 114 | iv[n]=cc; | ||
| 115 | *(out++)=c^cc; | ||
| 116 | n=(n+1)&0x07; | ||
| 117 | } | 113 | } |
| 114 | cc= *(in++); | ||
| 115 | c = iv[n]; | ||
| 116 | iv[n] = cc; | ||
| 117 | *(out++) = c^cc; | ||
| 118 | n = (n + 1)&0x07; | ||
| 118 | } | 119 | } |
| 119 | v0=v1=ti[0]=ti[1]=t=c=cc=0; | ||
| 120 | *num=n; | ||
| 121 | } | 120 | } |
| 121 | v0 = v1 = ti[0] = ti[1] = t=c = cc = 0; | ||
| 122 | *num = n; | ||
| 123 | } | ||
