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cfb64ede.c

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/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/des/cfb64ede.c

Switch to Source code

Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 -

6 -

7 void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out, -

8 long length, DES_key_schedule *ks1, -

9 DES_key_schedule *ks2, DES_key_schedule *ks3, -

10 DES_cblock *ivec, int *num, int enc) -

11 { -

12 unsigned int v0,v1; -

13 long l=length; -

14 int n= *num; -

15 unsigned int ti[2]; -

16 unsigned char *iv,c,cc; -

17 -

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

if (enc

enc	Description
TRUE	evaluated 6 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1
FALSE	evaluated 6 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1

)

20 { -

while (l--

l--	Description
TRUE	evaluated 3576 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1
FALSE	evaluated 6 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1

)

6-3576

22 { -

if (n == 0

n == 0	Description
TRUE	evaluated 447 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1
FALSE	evaluated 3129 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1

)

447-3129

24 { -

25 (v0 =((unsigned int)(*((iv)++))) , v0|=((unsigned int)(*((iv)++)))<< 8L, v0|=((unsigned int)(*((iv)++)))<<16L, v0|=((unsigned int)(*((iv)++)))<<24L); -

26 (v1 =((unsigned int)(*((iv)++))) , v1|=((unsigned int)(*((iv)++)))<< 8L, v1|=((unsigned int)(*((iv)++)))<<16L, v1|=((unsigned int)(*((iv)++)))<<24L); -

27 -

28 ti[0]=v0; -

29 ti[1]=v1; -

30 DES_encrypt3(ti,ks1,ks2,ks3); -

31 v0=ti[0]; -

32 v1=ti[1]; -

33 -

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

35 (*((iv)++)=(unsigned char)(((v0) )&0xff), *((iv)++)=(unsigned char)(((v0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v0)>>16L)&0xff), *((iv)++)=(unsigned char)(((v0)>>24L)&0xff)); -

36 (*((iv)++)=(unsigned char)(((v1) )&0xff), *((iv)++)=(unsigned char)(((v1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v1)>>16L)&0xff), *((iv)++)=(unsigned char)(((v1)>>24L)&0xff)); -

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

}

executed 447 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

447

39 c= *(in++)^iv[n]; -

40 *(out++)=c; -

41 iv[n]=c; -

42 n=(n+1)&0x07; -

}

executed 3576 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

3576

}

executed 6 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

45 else -

46 { -

while (l--

l--	Description
TRUE	evaluated 3576 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1
FALSE	evaluated 6 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1

)

6-3576

48 { -

if (n == 0

n == 0	Description
TRUE	evaluated 447 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1
FALSE	evaluated 3129 times by 2 tests Evaluated by: destest libcrypto.so.44.0.1

)

447-3129

50 { -

51 (v0 =((unsigned int)(*((iv)++))) , v0|=((unsigned int)(*((iv)++)))<< 8L, v0|=((unsigned int)(*((iv)++)))<<16L, v0|=((unsigned int)(*((iv)++)))<<24L); -

52 (v1 =((unsigned int)(*((iv)++))) , v1|=((unsigned int)(*((iv)++)))<< 8L, v1|=((unsigned int)(*((iv)++)))<<16L, v1|=((unsigned int)(*((iv)++)))<<24L); -

53 -

54 ti[0]=v0; -

55 ti[1]=v1; -

56 DES_encrypt3(ti,ks1,ks2,ks3); -

57 v0=ti[0]; -

58 v1=ti[1]; -

59 -

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

61 (*((iv)++)=(unsigned char)(((v0) )&0xff), *((iv)++)=(unsigned char)(((v0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v0)>>16L)&0xff), *((iv)++)=(unsigned char)(((v0)>>24L)&0xff)); -

62 (*((iv)++)=(unsigned char)(((v1) )&0xff), *((iv)++)=(unsigned char)(((v1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v1)>>16L)&0xff), *((iv)++)=(unsigned char)(((v1)>>24L)&0xff)); -

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

}

executed 447 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

447

65 cc= *(in++); -

66 c=iv[n]; -

67 iv[n]=cc; -

68 *(out++)=c^cc; -

69 n=(n+1)&0x07; -

}

executed 3576 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

3576

}

executed 6 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

72 v0=v1=ti[0]=ti[1]=c=cc=0; -

73 *num=n; -

}

executed 12 times by 2 tests: end of block

Executed by:

destest
libcrypto.so.44.0.1

75 -

76 -

77 -

78 -

79 -

80 void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out, -

81 int numbits,long length,DES_key_schedule *ks1, -

82 DES_key_schedule *ks2,DES_key_schedule *ks3, -

83 DES_cblock *ivec,int enc) -

84 { -

85 unsigned int d0,d1,v0,v1; -

86 unsigned long l=length,n=((unsigned int)numbits+7)/8; -

87 int num=numbits,i; -

88 unsigned int ti[2]; -

89 unsigned char *iv; -

90 unsigned char ovec[16]; -

91 -

if (num > 64

num > 64	Description
TRUE	never evaluated
FALSE	never evaluated

) return;

never executed: return;

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

94 (v0 =((unsigned int)(*((iv)++))) , v0|=((unsigned int)(*((iv)++)))<< 8L, v0|=((unsigned int)(*((iv)++)))<<16L, v0|=((unsigned int)(*((iv)++)))<<24L); -

95 (v1 =((unsigned int)(*((iv)++))) , v1|=((unsigned int)(*((iv)++)))<< 8L, v1|=((unsigned int)(*((iv)++)))<<16L, v1|=((unsigned int)(*((iv)++)))<<24L); -

if (enc

enc	Description
TRUE	never evaluated
FALSE	never evaluated

)

97 { -

while (l >= n

l >= n	Description
TRUE	never evaluated
FALSE	never evaluated

)

99 { -

100 l-=n; -

101 ti[0]=v0; -

102 ti[1]=v1; -

103 DES_encrypt3(ti,ks1,ks2,ks3); -

104

{ in+=n; d0=d1=0; switch (n) { case

never executed: case 8:

d1 =((unsigned int)(*(--(in))))<<24L; case

never executed: case 7:

code before this statement never executed: case 7:

d1|=((unsigned int)(*(--(in))))<<16L; case

never executed: case 6:

code before this statement never executed: case 6:

d1|=((unsigned int)(*(--(in))))<< 8L; case

never executed: case 5:

code before this statement never executed: case 5:

d1|=((unsigned int)(*(--(in)))); case

never executed: case 4:

code before this statement never executed: case 4:

d0 =((unsigned int)(*(--(in))))<<24L; case

never executed: case 3:

code before this statement never executed: case 3:

d0|=((unsigned int)(*(--(in))))<<16L; case

never executed: case 2:

code before this statement never executed: case 2:

d0|=((unsigned int)(*(--(in))))<< 8L; case

never executed: case 1:

code before this statement never executed: case 1:

d0|=((unsigned int)(*(--(in)))); }

never executed: end of block

};

105 in+=n; -

106 d0^=ti[0]; -

107 d1^=ti[1]; -

108

{ out+=n; switch (n) { case

never executed: case 8:

*(--(out))=(unsigned char)(((d1)>>24L)&0xff); case

never executed: case 7:

code before this statement never executed: case 7:

*(--(out))=(unsigned char)(((d1)>>16L)&0xff); case

never executed: case 6:

code before this statement never executed: case 6:

*(--(out))=(unsigned char)(((d1)>> 8L)&0xff); case

never executed: case 5:

code before this statement never executed: case 5:

*(--(out))=(unsigned char)(((d1) )&0xff); case

never executed: case 4:

code before this statement never executed: case 4:

*(--(out))=(unsigned char)(((d0)>>24L)&0xff); case

never executed: case 3:

code before this statement never executed: case 3:

*(--(out))=(unsigned char)(((d0)>>16L)&0xff); case

never executed: case 2:

code before this statement never executed: case 2:

*(--(out))=(unsigned char)(((d0)>> 8L)&0xff); case

never executed: case 1:

code before this statement never executed: case 1:

*(--(out))=(unsigned char)(((d0) )&0xff); }

never executed: end of block

};

109 out+=n; -

110 -

111 -

112

if (num == 32

num == 32	Description
TRUE	never evaluated
FALSE	never evaluated

)

113

{ v0=v1; v1=d0; }

never executed: end of block

114

else if (num == 64

num == 64	Description
TRUE	never evaluated
FALSE	never evaluated

)

115

{ v0=d0; v1=d1; }

never executed: end of block

116 else -

117 { -

118 iv=&ovec[0]; -

119 (*((iv)++)=(unsigned char)(((v0) )&0xff), *((iv)++)=(unsigned char)(((v0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v0)>>16L)&0xff), *((iv)++)=(unsigned char)(((v0)>>24L)&0xff)); -

120 (*((iv)++)=(unsigned char)(((v1) )&0xff), *((iv)++)=(unsigned char)(((v1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v1)>>16L)&0xff), *((iv)++)=(unsigned char)(((v1)>>24L)&0xff)); -

121 (*((iv)++)=(unsigned char)(((d0) )&0xff), *((iv)++)=(unsigned char)(((d0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((d0)>>16L)&0xff), *((iv)++)=(unsigned char)(((d0)>>24L)&0xff)); -

122 (*((iv)++)=(unsigned char)(((d1) )&0xff), *((iv)++)=(unsigned char)(((d1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((d1)>>16L)&0xff), *((iv)++)=(unsigned char)(((d1)>>24L)&0xff)); -

123 -

124 memmove(ovec,ovec+num/8,8+(num%8 ? 1 : 0)); -

125 -

126

if(num%8 != 0

num%8 != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

127

for(i=0 ; i < 8

i < 8	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

128 { -

129 ovec[i]<<=num%8; -

130 ovec[i]|=ovec[i+1]>>(8-num%8); -

131

}

never executed: end of block

132 iv=&ovec[0]; -

133 (v0 =((unsigned int)(*((iv)++))) , v0|=((unsigned int)(*((iv)++)))<< 8L, v0|=((unsigned int)(*((iv)++)))<<16L, v0|=((unsigned int)(*((iv)++)))<<24L); -

134 (v1 =((unsigned int)(*((iv)++))) , v1|=((unsigned int)(*((iv)++)))<< 8L, v1|=((unsigned int)(*((iv)++)))<<16L, v1|=((unsigned int)(*((iv)++)))<<24L); -

135

}

never executed: end of block

136 } -

137

}

never executed: end of block

138 else -

139 { -

140

while (l >= n

l >= n	Description
TRUE	never evaluated
FALSE	never evaluated

)

141 { -

142 l-=n; -

143 ti[0]=v0; -

144 ti[1]=v1; -

145 DES_encrypt3(ti,ks1,ks2,ks3); -

146

{ in+=n; d0=d1=0; switch (n) { case

never executed: case 8:

d1 =((unsigned int)(*(--(in))))<<24L; case

never executed: case 7:

code before this statement never executed: case 7:

d1|=((unsigned int)(*(--(in))))<<16L; case

never executed: case 6:

code before this statement never executed: case 6:

d1|=((unsigned int)(*(--(in))))<< 8L; case

never executed: case 5:

code before this statement never executed: case 5:

d1|=((unsigned int)(*(--(in)))); case

never executed: case 4:

code before this statement never executed: case 4:

d0 =((unsigned int)(*(--(in))))<<24L; case

never executed: case 3:

code before this statement never executed: case 3:

d0|=((unsigned int)(*(--(in))))<<16L; case

never executed: case 2:

code before this statement never executed: case 2:

d0|=((unsigned int)(*(--(in))))<< 8L; case

never executed: case 1:

code before this statement never executed: case 1:

d0|=((unsigned int)(*(--(in)))); }

never executed: end of block

};

147 in+=n; -

148 -

149 -

150

if (num == 32

num == 32	Description
TRUE	never evaluated
FALSE	never evaluated

)

151

{ v0=v1; v1=d0; }

never executed: end of block

152

else if (num == 64

num == 64	Description
TRUE	never evaluated
FALSE	never evaluated

)

153

{ v0=d0; v1=d1; }

never executed: end of block

154 else -

155 { -

156 iv=&ovec[0]; -

157 (*((iv)++)=(unsigned char)(((v0) )&0xff), *((iv)++)=(unsigned char)(((v0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v0)>>16L)&0xff), *((iv)++)=(unsigned char)(((v0)>>24L)&0xff)); -

158 (*((iv)++)=(unsigned char)(((v1) )&0xff), *((iv)++)=(unsigned char)(((v1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v1)>>16L)&0xff), *((iv)++)=(unsigned char)(((v1)>>24L)&0xff)); -

159 (*((iv)++)=(unsigned char)(((d0) )&0xff), *((iv)++)=(unsigned char)(((d0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((d0)>>16L)&0xff), *((iv)++)=(unsigned char)(((d0)>>24L)&0xff)); -

160 (*((iv)++)=(unsigned char)(((d1) )&0xff), *((iv)++)=(unsigned char)(((d1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((d1)>>16L)&0xff), *((iv)++)=(unsigned char)(((d1)>>24L)&0xff)); -

161 -

162 memmove(ovec,ovec+num/8,8+(num%8 ? 1 : 0)); -

163 -

164

if(num%8 != 0

num%8 != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

165

for(i=0 ; i < 8

i < 8	Description
TRUE	never evaluated
FALSE	never evaluated

; ++i)

166 { -

167 ovec[i]<<=num%8; -

168 ovec[i]|=ovec[i+1]>>(8-num%8); -

169

}

never executed: end of block

170 iv=&ovec[0]; -

171 (v0 =((unsigned int)(*((iv)++))) , v0|=((unsigned int)(*((iv)++)))<< 8L, v0|=((unsigned int)(*((iv)++)))<<16L, v0|=((unsigned int)(*((iv)++)))<<24L); -

172 (v1 =((unsigned int)(*((iv)++))) , v1|=((unsigned int)(*((iv)++)))<< 8L, v1|=((unsigned int)(*((iv)++)))<<16L, v1|=((unsigned int)(*((iv)++)))<<24L); -

173

}

never executed: end of block

174 d0^=ti[0]; -

175 d1^=ti[1]; -

176

{ out+=n; switch (n) { case

never executed: case 8:

*(--(out))=(unsigned char)(((d1)>>24L)&0xff); case

never executed: case 7:

code before this statement never executed: case 7:

*(--(out))=(unsigned char)(((d1)>>16L)&0xff); case

never executed: case 6:

code before this statement never executed: case 6:

*(--(out))=(unsigned char)(((d1)>> 8L)&0xff); case

never executed: case 5:

code before this statement never executed: case 5:

*(--(out))=(unsigned char)(((d1) )&0xff); case

never executed: case 4:

code before this statement never executed: case 4:

*(--(out))=(unsigned char)(((d0)>>24L)&0xff); case

never executed: case 3:

code before this statement never executed: case 3:

*(--(out))=(unsigned char)(((d0)>>16L)&0xff); case

never executed: case 2:

code before this statement never executed: case 2:

*(--(out))=(unsigned char)(((d0)>> 8L)&0xff); case

never executed: case 1:

code before this statement never executed: case 1:

*(--(out))=(unsigned char)(((d0) )&0xff); }

never executed: end of block

};

177 out+=n; -

178

}

never executed: end of block

179

}

never executed: end of block

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

181 (*((iv)++)=(unsigned char)(((v0) )&0xff), *((iv)++)=(unsigned char)(((v0)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v0)>>16L)&0xff), *((iv)++)=(unsigned char)(((v0)>>24L)&0xff)); -

182 (*((iv)++)=(unsigned char)(((v1) )&0xff), *((iv)++)=(unsigned char)(((v1)>> 8L)&0xff), *((iv)++)=(unsigned char)(((v1)>>16L)&0xff), *((iv)++)=(unsigned char)(((v1)>>24L)&0xff)); -

183 v0=v1=d0=d1=ti[0]=ti[1]=0; -

184

}

never executed: end of block

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