diff options
Diffstat (limited to 'src/lib/libcrypto/des/cbc_enc.c')
-rw-r--r-- | src/lib/libcrypto/des/cbc_enc.c | 78 |
1 files changed, 2 insertions, 76 deletions
diff --git a/src/lib/libcrypto/des/cbc_enc.c b/src/lib/libcrypto/des/cbc_enc.c index a84a53633c..677903ae4e 100644 --- a/src/lib/libcrypto/des/cbc_enc.c +++ b/src/lib/libcrypto/des/cbc_enc.c | |||
@@ -56,80 +56,6 @@ | |||
56 | * [including the GNU Public Licence.] | 56 | * [including the GNU Public Licence.] |
57 | */ | 57 | */ |
58 | 58 | ||
59 | #include "des_locl.h" | 59 | #define CBC_ENC_C__DONT_UPDATE_IV |
60 | |||
61 | void des_cbc_encrypt(input, output, length, schedule, ivec, enc) | ||
62 | des_cblock (*input); | ||
63 | des_cblock (*output); | ||
64 | long length; | ||
65 | des_key_schedule schedule; | ||
66 | des_cblock (*ivec); | ||
67 | int enc; | ||
68 | { | ||
69 | register DES_LONG tin0,tin1; | ||
70 | register DES_LONG tout0,tout1,xor0,xor1; | ||
71 | register unsigned char *in,*out; | ||
72 | register long l=length; | ||
73 | DES_LONG tin[2]; | ||
74 | unsigned char *iv; | ||
75 | |||
76 | in=(unsigned char *)input; | ||
77 | out=(unsigned char *)output; | ||
78 | iv=(unsigned char *)ivec; | ||
79 | |||
80 | if (enc) | ||
81 | { | ||
82 | c2l(iv,tout0); | ||
83 | c2l(iv,tout1); | ||
84 | for (l-=8; l>=0; l-=8) | ||
85 | { | ||
86 | c2l(in,tin0); | ||
87 | c2l(in,tin1); | ||
88 | tin0^=tout0; tin[0]=tin0; | ||
89 | tin1^=tout1; tin[1]=tin1; | ||
90 | des_encrypt((DES_LONG *)tin,schedule,DES_ENCRYPT); | ||
91 | tout0=tin[0]; l2c(tout0,out); | ||
92 | tout1=tin[1]; l2c(tout1,out); | ||
93 | } | ||
94 | if (l != -8) | ||
95 | { | ||
96 | c2ln(in,tin0,tin1,l+8); | ||
97 | tin0^=tout0; tin[0]=tin0; | ||
98 | tin1^=tout1; tin[1]=tin1; | ||
99 | des_encrypt((DES_LONG *)tin,schedule,DES_ENCRYPT); | ||
100 | tout0=tin[0]; l2c(tout0,out); | ||
101 | tout1=tin[1]; l2c(tout1,out); | ||
102 | } | ||
103 | } | ||
104 | else | ||
105 | { | ||
106 | c2l(iv,xor0); | ||
107 | c2l(iv,xor1); | ||
108 | for (l-=8; l>=0; l-=8) | ||
109 | { | ||
110 | c2l(in,tin0); tin[0]=tin0; | ||
111 | c2l(in,tin1); tin[1]=tin1; | ||
112 | des_encrypt((DES_LONG *)tin,schedule,DES_DECRYPT); | ||
113 | tout0=tin[0]^xor0; | ||
114 | tout1=tin[1]^xor1; | ||
115 | l2c(tout0,out); | ||
116 | l2c(tout1,out); | ||
117 | xor0=tin0; | ||
118 | xor1=tin1; | ||
119 | } | ||
120 | if (l != -8) | ||
121 | { | ||
122 | c2l(in,tin0); tin[0]=tin0; | ||
123 | c2l(in,tin1); tin[1]=tin1; | ||
124 | des_encrypt((DES_LONG *)tin,schedule,DES_DECRYPT); | ||
125 | tout0=tin[0]^xor0; | ||
126 | tout1=tin[1]^xor1; | ||
127 | l2cn(tout0,tout1,out,l+8); | ||
128 | /* xor0=tin0; | ||
129 | xor1=tin1; */ | ||
130 | } | ||
131 | } | ||
132 | tin0=tin1=tout0=tout1=xor0=xor1=0; | ||
133 | tin[0]=tin[1]=0; | ||
134 | } | ||
135 | 60 | ||
61 | #include "ncbc_enc.c" /* des_cbc_encrypt */ | ||