OpenCoverage

e_rc2.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/evp/e_rc2.c
Source codeSwitch to Preprocessed file
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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 <stdio.h>-
11#include "internal/cryptlib.h"-
12-
13#ifndef OPENSSL_NO_RC2-
14-
15# include <openssl/evp.h>-
16# include <openssl/objects.h>-
17# include "internal/evp_int.h"-
18# include <openssl/rc2.h>-
19-
20static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
21 const unsigned char *iv, int enc);-
22static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx);-
23static int rc2_magic_to_meth(int i);-
24static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);-
25static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);-
26static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);-
27-
28typedef struct {-
29 int key_bits; /* effective key bits */-
30 RC2_KEY ks; /* key schedule */-
31} EVP_RC2_KEY;-
32-
33# define data(ctx) EVP_C_DATA(EVP_RC2_KEY,ctx)-
34-
35IMPLEMENT_BLOCK_CIPHER(rc2, ks, RC2, EVP_RC2_KEY, NID_rc2,
never executed: end of block
executed 531 times by 1 test: RC2_cbc_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))->ks, EVP_CIPHER_CTX_iv_noconst(ctx), EVP_CIPHER_CTX_encrypting(ctx));
Executed by:
  • libcrypto.so.1.1
executed 531 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
never executed: chunk >>= 3;
executed 70 times by 1 test: chunk = inl;
Executed by:
  • libcrypto.so.1.1
executed 70 times by 1 test: chunk = inl;
Executed by:
  • libcrypto.so.1.1
executed 70 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
executed 70 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
never executed: return 1;
executed 1572 times by 1 test: RC2_ecb_encrypt(in + i, out + i, &((EVP_RC2_KEY *)EVP_CIPHER_CTX_get_cipher_data(ctx))->ks, EVP_CIPHER_CTX_encrypting(ctx));
Executed by:
  • libcrypto.so.1.1
executed 129 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
never executed: end of block
executed 70 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
executed 70 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
executed 3920 times by 1 test: return &rc2_cbc;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &rc2_cfb64;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &rc2_ofb;
Executed by:
  • libcrypto.so.1.1
executed 1962 times by 1 test: return &rc2_ecb;
Executed by:
  • libcrypto.so.1.1
inlDescription
TRUEevaluated 531 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
64 == 1Description
TRUEnever evaluated
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inl < chunkDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
inl < chunkDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
inl < blDescription
TRUEnever evaluated
FALSEevaluated 129 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inlDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 531 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
i <= inlDescription
TRUEevaluated 1572 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 129 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inlDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
inl >= chunkDescription
TRUEevaluated 70 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-3920
36 8,-
37 RC2_KEY_LENGTH, 8, 64,-
38 EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,-
39 rc2_init_key, NULL,-
40 rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv,-
41 rc2_ctrl)-
42# define RC2_40_MAGIC 0xa0-
43# define RC2_64_MAGIC 0x78-
44# define RC2_128_MAGIC 0x3a-
45static const EVP_CIPHER r2_64_cbc_cipher = {-
46 NID_rc2_64_cbc,-
47 8, 8 /* 64 bit */ , 8,-
48 EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,-
49 rc2_init_key,-
50 rc2_cbc_cipher,-
51 NULL,-
52 sizeof(EVP_RC2_KEY),-
53 rc2_set_asn1_type_and_iv,-
54 rc2_get_asn1_type_and_iv,-
55 rc2_ctrl,-
56 NULL-
57};-
58-
59static const EVP_CIPHER r2_40_cbc_cipher = {-
60 NID_rc2_40_cbc,-
61 8, 5 /* 40 bit */ , 8,-
62 EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT,-
63 rc2_init_key,-
64 rc2_cbc_cipher,-
65 NULL,-
66 sizeof(EVP_RC2_KEY),-
67 rc2_set_asn1_type_and_iv,-
68 rc2_get_asn1_type_and_iv,-
69 rc2_ctrl,-
70 NULL-
71};-
72-
73const EVP_CIPHER *EVP_rc2_64_cbc(void)-
74{-
75 return &r2_64_cbc_cipher;
executed 1962 times by 1 test: return &r2_64_cbc_cipher;
Executed by:
  • libcrypto.so.1.1
1962
76}-
77-
78const EVP_CIPHER *EVP_rc2_40_cbc(void)-
79{-
80 return &r2_40_cbc_cipher;
executed 3920 times by 1 test: return &r2_40_cbc_cipher;
Executed by:
  • libcrypto.so.1.1
3920
81}-
82-
83static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
84 const unsigned char *iv, int enc)-
85{-
86 RC2_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx),-
87 key, data(ctx)->key_bits);-
88 return 1;
executed 52 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
52
89}-
90-
91static int rc2_meth_to_magic(EVP_CIPHER_CTX *e)-
92{-
93 int i;-
94-
95 EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i);-
96 if (i == 128)
i == 128Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
97 return RC2_128_MAGIC;
executed 2 times by 1 test: return 0x3a;
Executed by:
  • libcrypto.so.1.1
2
98 else if (i == 64)
i == 64Description
TRUEnever evaluated
FALSEnever evaluated
0
99 return RC2_64_MAGIC;
never executed: return 0x78;
0
100 else if (i == 40)
i == 40Description
TRUEnever evaluated
FALSEnever evaluated
0
101 return RC2_40_MAGIC;
never executed: return 0xa0;
0
102 else-
103 return 0;
never executed: return 0;
0
104}-
105-
106static int rc2_magic_to_meth(int i)-
107{-
108 if (i == RC2_128_MAGIC)
i == 0x3aDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
109 return 128;
executed 2 times by 1 test: return 128;
Executed by:
  • libcrypto.so.1.1
2
110 else if (i == RC2_64_MAGIC)
i == 0x78Description
TRUEnever evaluated
FALSEnever evaluated
0
111 return 64;
never executed: return 64;
0
112 else if (i == RC2_40_MAGIC)
i == 0xa0Description
TRUEnever evaluated
FALSEnever evaluated
0
113 return 40;
never executed: return 40;
0
114 else {-
115 EVPerr(EVP_F_RC2_MAGIC_TO_METH, EVP_R_UNSUPPORTED_KEY_SIZE);-
116 return 0;
never executed: return 0;
0
117 }-
118}-
119-
120static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)-
121{-
122 long num = 0;-
123 int i = 0;-
124 int key_bits;-
125 unsigned int l;-
126 unsigned char iv[EVP_MAX_IV_LENGTH];-
127-
128 if (type != NULL) {
type != ((void *)0)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
129 l = EVP_CIPHER_CTX_iv_length(c);-
130 OPENSSL_assert(l <= sizeof(iv));-
131 i = ASN1_TYPE_get_int_octetstring(type, &num, iv, l);-
132 if (i != (int)l)
i != (int)lDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
133 return -1;
never executed: return -1;
0
134 key_bits = rc2_magic_to_meth((int)num);-
135 if (!key_bits)
!key_bitsDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
136 return -1;
never executed: return -1;
0
137 if (i > 0 && !EVP_CipherInit_ex(c, NULL, NULL, NULL, iv, -1))
i > 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
138 return -1;
never executed: return -1;
0
139 EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits, NULL);-
140 if (EVP_CIPHER_CTX_set_key_length(c, key_bits / 8) <= 0)
EVP_CIPHER_CTX...bits / 8) <= 0Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
141 return -1;
never executed: return -1;
0
142 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
143 return i;
executed 2 times by 1 test: return i;
Executed by:
  • libcrypto.so.1.1
2
144}-
145-
146static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)-
147{-
148 long num;-
149 int i = 0, j;-
150-
151 if (type != NULL) {
type != ((void *)0)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
152 num = rc2_meth_to_magic(c);-
153 j = EVP_CIPHER_CTX_iv_length(c);-
154 i = ASN1_TYPE_set_int_octetstring(type, num,-
155 (unsigned char *)EVP_CIPHER_CTX_original_iv(c),-
156 j);-
157 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
158 return i;
executed 2 times by 1 test: return i;
Executed by:
  • libcrypto.so.1.1
2
159}-
160-
161static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)-
162{-
163 switch (type) {-
164 case EVP_CTRL_INIT:
executed 52 times by 1 test: case 0x0:
Executed by:
  • libcrypto.so.1.1
52
165 data(c)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8;-
166 return 1;
executed 52 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
52
167-
168 case EVP_CTRL_GET_RC2_KEY_BITS:
executed 2 times by 1 test: case 0x2:
Executed by:
  • libcrypto.so.1.1
2
169 *(int *)ptr = data(c)->key_bits;-
170 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
171-
172 case EVP_CTRL_SET_RC2_KEY_BITS:
executed 2 times by 1 test: case 0x3:
Executed by:
  • libcrypto.so.1.1
2
173 if (arg > 0) {
arg > 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
174 data(c)->key_bits = arg;-
175 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
176 }-
177 return 0;
never executed: return 0;
0
178# ifdef PBE_PRF_TEST-
179 case EVP_CTRL_PBE_PRF_NID:-
180 *(int *)ptr = NID_hmacWithMD5;-
181 return 1;-
182# endif-
183-
184 default:
never executed: default:
0
185 return -1;
never executed: return -1;
0
186 }-
187}-
188-
189#endif-
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