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bf_skey.c

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1 /* $OpenBSD: bf_skey.c,v 1.12 2014/06/12 15:49:28 deraadt Exp $ */ -

4 * -

5 * This package is an SSL implementation written -

6 * by Eric Young (eay@cryptsoft.com). -

7 * The implementation was written so as to conform with Netscapes SSL. -

8 * -

9 * This library is free for commercial and non-commercial use as long as -

10 * the following conditions are aheared to. The following conditions -

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 -

13 * included with this distribution is covered by the same copyright terms -

14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). -

15 * -

16 * Copyright remains Eric Young's, and as such any Copyright notices in -

17 * the code are not to be removed. -

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. -

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. -

22 * -

23 * Redistribution and use in source and binary forms, with or without -

24 * modification, are permitted provided that the following conditions -

25 * are met: -

26 * 1. Redistributions of source code must retain the copyright -

27 * notice, this list of conditions and the following disclaimer. -

28 * 2. Redistributions in binary form must reproduce the above copyright -

29 * notice, this list of conditions and the following disclaimer in the -

30 * documentation and/or other materials provided with the distribution. -

31 * 3. All advertising materials mentioning features or use of this software -

32 * must display the following acknowledgement: -

33 * "This product includes cryptographic software written by -

34 * Eric Young (eay@cryptsoft.com)" -

35 * The word 'cryptographic' can be left out if the rouines from the library -

36 * being used are not cryptographic related :-). -

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: -

39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" -

40 * -

41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND -

42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -

43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -

44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -

45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -

46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -

47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -

48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -

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 -

51 * SUCH DAMAGE. -

52 * -

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 -

55 * copied and put under another distribution licence -

56 * [including the GNU Public Licence.] -

57 */ -

58 -

59 #include <stdio.h> -

60 #include <string.h> -

61 #include <openssl/crypto.h> -

62 #include <openssl/blowfish.h> -

63 #include "bf_locl.h" -

64 #include "bf_pi.h" -

65 -

66 void BF_set_key(BF_KEY *key, int len, const unsigned char *data) -

67 { -

68 int i; -

69 BF_LONG *p,ri,in[2]; -

70 const unsigned char *d,*end; -

71 -

72 -

73 memcpy(key,&bf_init,sizeof(BF_KEY)); -

74 p=key->P; -

75 -

if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;

never executed: len=(16 +2)*4;

len > ((16 +2)*4)	Description
TRUE	never evaluated
FALSE	evaluated 79 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

0-79

77 -

78 d=data; -

79 end= &(data[len]); -

for (i=0; i<(BF_ROUNDS+2); i++)

i<(16 +2)	Description
TRUE	evaluated 1422 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1
FALSE	evaluated 79 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

79-1422

81 { -

82 ri= *(d++); -

if (d >= end) d=data;

executed 41 times by 1 test: d=data;

Executed by:

bftest

d >= end	Description
TRUE	evaluated 41 times by 1 test Evaluated by: bftest
FALSE	evaluated 1381 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

41-1381

84 -

85 ri<<=8; -

86 ri|= *(d++); -

if (d >= end) d=data;

executed 78 times by 1 test: d=data;

Executed by:

bftest

d >= end	Description
TRUE	evaluated 78 times by 1 test Evaluated by: bftest
FALSE	evaluated 1344 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

78-1344

88 -

89 ri<<=8; -

90 ri|= *(d++); -

if (d >= end) d=data;

executed 41 times by 1 test: d=data;

Executed by:

bftest

d >= end	Description
TRUE	evaluated 41 times by 1 test Evaluated by: bftest
FALSE	evaluated 1381 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

41-1381

92 -

93 ri<<=8; -

94 ri|= *(d++); -

if (d >= end) d=data;

executed 494 times by 2 tests: d=data;

Executed by:

bftest
libcrypto.so.44.0.1

d >= end	Description
TRUE	evaluated 494 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1
FALSE	evaluated 928 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

494-928

96 -

97 p[i]^=ri; -

}

executed 1422 times by 2 tests: end of block

Executed by:

bftest
libcrypto.so.44.0.1

1422

99 -

100 in[0]=0L; -

101 in[1]=0L; -

102

for (i=0; i<(BF_ROUNDS+2); i+=2)

i<(16 +2)	Description
TRUE	evaluated 711 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1
FALSE	evaluated 79 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

79-711

103 { -

104 BF_encrypt(in,key); -

105 p[i ]=in[0]; -

106 p[i+1]=in[1]; -

107

}

executed 711 times by 2 tests: end of block

Executed by:

bftest
libcrypto.so.44.0.1

711

108 -

109 p=key->S; -

110

for (i=0; i<4*256; i+=2)

i<4*256	Description
TRUE	evaluated 40448 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1
FALSE	evaluated 79 times by 2 tests Evaluated by: bftest libcrypto.so.44.0.1

79-40448

111 { -

112 BF_encrypt(in,key); -

113 p[i ]=in[0]; -

114 p[i+1]=in[1]; -