| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/des/ofb64enc.c |
| Source code | Switch to Preprocessed file |
| Line | Source | Count | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | /* | - | ||||||
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | - | ||||||
| 3 | * | - | ||||||
| 4 | * Licensed under the OpenSSL license (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 | #include "des_locl.h" | - | ||||||
| 11 | - | |||||||
| 12 | /* | - | ||||||
| 13 | * The input and output encrypted as though 64bit ofb mode is being used. | - | ||||||
| 14 | * The extra state information to record how much of the 64bit block we have | - | ||||||
| 15 | * used is contained in *num; | - | ||||||
| 16 | */ | - | ||||||
| 17 | void DES_ofb64_encrypt(register const unsigned char *in, | - | ||||||
| 18 | register unsigned char *out, long length, | - | ||||||
| 19 | DES_key_schedule *schedule, DES_cblock *ivec, int *num) | - | ||||||
| 20 | { | - | ||||||
| 21 | register DES_LONG v0, v1, t; | - | ||||||
| 22 | register int n = *num; | - | ||||||
| 23 | register long l = length; | - | ||||||
| 24 | DES_cblock d; | - | ||||||
| 25 | register unsigned char *dp; | - | ||||||
| 26 | DES_LONG ti[2]; | - | ||||||
| 27 | unsigned char *iv; | - | ||||||
| 28 | int save = 0; | - | ||||||
| 29 | - | |||||||
| 30 | iv = &(*ivec)[0]; | - | ||||||
| 31 | c2l(iv, v0); | - | ||||||
| 32 | c2l(iv, v1); | - | ||||||
| 33 | ti[0] = v0; | - | ||||||
| 34 | ti[1] = v1; | - | ||||||
| 35 | dp = d; | - | ||||||
| 36 | l2c(v0, dp); | - | ||||||
| 37 | l2c(v1, dp); | - | ||||||
| 38 | while (l--) {
| 95-12604 | ||||||
| 39 | if (n == 0) {
| 1576-11028 | ||||||
| 40 | DES_encrypt1(ti, schedule, DES_ENCRYPT); | - | ||||||
| 41 | dp = d; | - | ||||||
| 42 | t = ti[0]; | - | ||||||
| 43 | l2c(t, dp); | - | ||||||
| 44 | t = ti[1]; | - | ||||||
| 45 | l2c(t, dp); | - | ||||||
| 46 | save++; | - | ||||||
| 47 | } executed 1576 times by 1 test: end of blockExecuted by:
| 1576 | ||||||
| 48 | *(out++) = *(in++) ^ d[n]; | - | ||||||
| 49 | n = (n + 1) & 0x07; | - | ||||||
| 50 | } executed 12604 times by 1 test: end of blockExecuted by:
| 12604 | ||||||
| 51 | if (save) {
| 21-74 | ||||||
| 52 | v0 = ti[0]; | - | ||||||
| 53 | v1 = ti[1]; | - | ||||||
| 54 | iv = &(*ivec)[0]; | - | ||||||
| 55 | l2c(v0, iv); | - | ||||||
| 56 | l2c(v1, iv); | - | ||||||
| 57 | } executed 74 times by 1 test: end of blockExecuted by:
| 74 | ||||||
| 58 | t = v0 = v1 = ti[0] = ti[1] = 0; | - | ||||||
| 59 | *num = n; | - | ||||||
| 60 | } executed 95 times by 1 test: end of blockExecuted by:
| 95 | ||||||
| Source code | Switch to Preprocessed file |