OpenCoverage

xcbc_enc.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/des/xcbc_enc.c

Source code

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1 /* -

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 /* RSA's DESX */ -

13 -

14 void DES_xcbc_encrypt(const unsigned char *in, unsigned char *out, -

15 long length, DES_key_schedule *schedule, -

16 DES_cblock *ivec, const_DES_cblock *inw, -

17 const_DES_cblock *outw, int enc) -

18 { -

19 register DES_LONG tin0, tin1; -

20 register DES_LONG tout0, tout1, xor0, xor1; -

21 register DES_LONG inW0, inW1, outW0, outW1; -

22 register const unsigned char *in2; -

23 register long l = length; -

24 DES_LONG tin[2]; -

25 unsigned char *iv; -

26 -

27 in2 = &(*inw)[0]; -

28 c2l(in2, inW0); -

29 c2l(in2, inW1); -

30 in2 = &(*outw)[0]; -

31 c2l(in2, outW0); -

32 c2l(in2, outW1); -

33 -

34 iv = &(*ivec)[0]; -

35 -

if (enc) {

enc	Description
TRUE	evaluated 103 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 79 times by 1 test Evaluated by: libcrypto.so.1.1

79-103

37 c2l(iv, tout0); -

38 c2l(iv, tout1); -

for (l -= 8; l >= 0; l -= 8) {

l >= 0	Description
TRUE	evaluated 1083 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 103 times by 1 test Evaluated by: libcrypto.so.1.1

103-1083

40 c2l(in, tin0); -

41 c2l(in, tin1); -

42 tin0 ^= tout0 ^ inW0; -

43 tin[0] = tin0; -

44 tin1 ^= tout1 ^ inW1; -

45 tin[1] = tin1; -

46 DES_encrypt1(tin, schedule, DES_ENCRYPT); -

47 tout0 = tin[0] ^ outW0; -

48 l2c(tout0, out); -

49 tout1 = tin[1] ^ outW1; -

50 l2c(tout1, out); -

}

executed 1083 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

1083

if (l != -8) {

l != -8	Description
TRUE	evaluated 1 time by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 102 times by 1 test Evaluated by: libcrypto.so.1.1

1-102

c2ln(in, tin0, tin1, l + 8);

executed 1 time by 1 test: end of block

Executed by:

libcrypto.so.1.1

code before this statement never executed: case 7:

code before this statement never executed: case 6:

code before this statement never executed: case 5:

code before this statement executed 1 time by 1 test: case 4:

Executed by:

libcrypto.so.1.1

code before this statement executed 1 time by 1 test: case 3:

Executed by:

libcrypto.so.1.1

code before this statement executed 1 time by 1 test: case 2:

Executed by:

libcrypto.so.1.1

code before this statement executed 1 time by 1 test: case 1:

Executed by:

libcrypto.so.1.1

never executed: case 8:

never executed: case 7:

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executed 1 time by 1 test: case 5:

Executed by:

libcrypto.so.1.1

never executed: case 4:

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never executed: case 2:

executed 1 time by 1 test: case 1:

Executed by:

libcrypto.so.1.1

0-1

54 tin0 ^= tout0 ^ inW0; -

55 tin[0] = tin0; -

56 tin1 ^= tout1 ^ inW1; -

57 tin[1] = tin1; -

58 DES_encrypt1(tin, schedule, DES_ENCRYPT); -

59 tout0 = tin[0] ^ outW0; -

60 l2c(tout0, out); -

61 tout1 = tin[1] ^ outW1; -

62 l2c(tout1, out); -

}

executed 1 time by 1 test: end of block

Executed by:

libcrypto.so.1.1

64 iv = &(*ivec)[0]; -

65 l2c(tout0, iv); -

66 l2c(tout1, iv); -

} else {

executed 103 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

103

68 c2l(iv, xor0); -

69 c2l(iv, xor1); -

for (l -= 8; l > 0; l -= 8) {

l > 0	Description
TRUE	evaluated 1005 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 79 times by 1 test Evaluated by: libcrypto.so.1.1

79-1005

71 c2l(in, tin0); -

72 tin[0] = tin0 ^ outW0; -

73 c2l(in, tin1); -

74 tin[1] = tin1 ^ outW1; -

75 DES_encrypt1(tin, schedule, DES_DECRYPT); -

76 tout0 = tin[0] ^ xor0 ^ inW0; -

77 tout1 = tin[1] ^ xor1 ^ inW1; -

78 l2c(tout0, out); -

79 l2c(tout1, out); -

80 xor0 = tin0; -

81 xor1 = tin1; -

}

executed 1005 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

1005

if (l != -8) {

l != -8	Description
TRUE	evaluated 79 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-79

84 c2l(in, tin0); -

85 tin[0] = tin0 ^ outW0; -

86 c2l(in, tin1); -

87 tin[1] = tin1 ^ outW1; -

88 DES_encrypt1(tin, schedule, DES_DECRYPT); -

89 tout0 = tin[0] ^ xor0 ^ inW0; -

90 tout1 = tin[1] ^ xor1 ^ inW1; -

l2cn(tout0, tout1, out, l + 8);

executed 79 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

code before this statement executed 78 times by 1 test: case 7:

Executed by:

libcrypto.so.1.1

code before this statement executed 78 times by 1 test: case 6:

Executed by:

libcrypto.so.1.1

code before this statement executed 78 times by 1 test: case 5:

Executed by:

libcrypto.so.1.1

code before this statement executed 79 times by 1 test: case 4:

Executed by:

libcrypto.so.1.1

code before this statement executed 79 times by 1 test: case 3:

Executed by:

libcrypto.so.1.1

code before this statement executed 79 times by 1 test: case 2:

Executed by:

libcrypto.so.1.1

code before this statement executed 79 times by 1 test: case 1:

Executed by:

libcrypto.so.1.1

executed 78 times by 1 test: case 8:

Executed by:

libcrypto.so.1.1

never executed: case 7:

never executed: case 6:

executed 1 time by 1 test: case 5:

Executed by:

libcrypto.so.1.1

never executed: case 4:

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executed 79 times by 1 test: case 1:

Executed by:

libcrypto.so.1.1

0-79

92 xor0 = tin0; -

93 xor1 = tin1; -

}

executed 79 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

95 -

96 iv = &(*ivec)[0]; -

97 l2c(xor0, iv); -

98 l2c(xor1, iv); -

}

executed 79 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

100 tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; -

101 inW0 = inW1 = outW0 = outW1 = 0; -

102 tin[0] = tin[1] = 0; -

103

}

executed 182 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

182

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