diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lib/libcrypto/idea/i_ofb64.c | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/src/lib/libcrypto/idea/i_ofb64.c b/src/lib/libcrypto/idea/i_ofb64.c index b63144b6c4..27d85e5a37 100644 --- a/src/lib/libcrypto/idea/i_ofb64.c +++ b/src/lib/libcrypto/idea/i_ofb64.c | |||
| @@ -1,25 +1,25 @@ | |||
| 1 | /* $OpenBSD: i_ofb64.c,v 1.4 2022/11/26 16:08:53 tb Exp $ */ | 1 | /* $OpenBSD: i_ofb64.c,v 1.5 2023/07/07 12:51:58 beck 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 |
| @@ -63,49 +63,48 @@ | |||
| 63 | * used. The extra state information to record how much of the | 63 | * used. The extra state information to record how much of the |
| 64 | * 64bit block we have used is contained in *num; | 64 | * 64bit block we have used is contained in *num; |
| 65 | */ | 65 | */ |
| 66 | void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out, | 66 | void |
| 67 | long length, IDEA_KEY_SCHEDULE *schedule, | 67 | idea_ofb64_encrypt(const unsigned char *in, unsigned char *out, |
| 68 | unsigned char *ivec, int *num) | 68 | long length, IDEA_KEY_SCHEDULE *schedule, |
| 69 | { | 69 | unsigned char *ivec, int *num) |
| 70 | unsigned long v0,v1,t; | 70 | { |
| 71 | int n= *num; | 71 | unsigned long v0, v1, t; |
| 72 | long l=length; | 72 | int n = *num; |
| 73 | long l = length; | ||
| 73 | unsigned char d[8]; | 74 | unsigned char d[8]; |
| 74 | char *dp; | 75 | char *dp; |
| 75 | unsigned long ti[2]; | 76 | unsigned long ti[2]; |
| 76 | unsigned char *iv; | 77 | unsigned char *iv; |
| 77 | int save=0; | 78 | int save = 0; |
| 78 | 79 | ||
| 79 | iv=(unsigned char *)ivec; | 80 | iv = (unsigned char *)ivec; |
| 80 | n2l(iv,v0); | 81 | n2l(iv, v0); |
| 81 | n2l(iv,v1); | 82 | n2l(iv, v1); |
| 82 | ti[0]=v0; | 83 | ti[0] = v0; |
| 83 | ti[1]=v1; | 84 | ti[1] = v1; |
| 84 | dp=(char *)d; | 85 | dp = (char *)d; |
| 85 | l2n(v0,dp); | 86 | l2n(v0, dp); |
| 86 | l2n(v1,dp); | 87 | l2n(v1, dp); |
| 87 | while (l--) | 88 | while (l--) { |
| 88 | { | 89 | if (n == 0) { |
| 89 | if (n == 0) | 90 | idea_encrypt((unsigned long *)ti, schedule); |
| 90 | { | 91 | dp = (char *)d; |
| 91 | idea_encrypt((unsigned long *)ti,schedule); | 92 | t = ti[0]; |
| 92 | dp=(char *)d; | 93 | l2n(t, dp); |
| 93 | t=ti[0]; l2n(t,dp); | 94 | t = ti[1]; |
| 94 | t=ti[1]; l2n(t,dp); | 95 | l2n(t, dp); |
| 95 | save++; | 96 | save++; |
| 96 | } | ||
| 97 | *(out++)= *(in++)^d[n]; | ||
| 98 | n=(n+1)&0x07; | ||
| 99 | } | ||
| 100 | if (save) | ||
| 101 | { | ||
| 102 | v0=ti[0]; | ||
| 103 | v1=ti[1]; | ||
| 104 | iv=(unsigned char *)ivec; | ||
| 105 | l2n(v0,iv); | ||
| 106 | l2n(v1,iv); | ||
| 107 | } | 97 | } |
| 108 | t=v0=v1=ti[0]=ti[1]=0; | 98 | *(out++) = *(in++) ^ d[n]; |
| 109 | *num=n; | 99 | n = (n + 1) & 0x07; |
| 110 | } | 100 | } |
| 111 | 101 | if (save) { | |
| 102 | v0 = ti[0]; | ||
| 103 | v1 = ti[1]; | ||
| 104 | iv = (unsigned char *)ivec; | ||
| 105 | l2n(v0, iv); | ||
| 106 | l2n(v1, iv); | ||
| 107 | } | ||
| 108 | t = v0 = v1 = ti[0] = ti[1] = 0; | ||
| 109 | *num = n; | ||
| 110 | } | ||
