OpenCoverage

e_rc2.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/evp/e_rc2.c
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1-
2-
3-
4-
5-
6-
7-
8static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
9 const unsigned char *iv, int enc);-
10static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx);-
11static int rc2_magic_to_meth(int i);-
12static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);-
13static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);-
14static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr);-
15-
16typedef struct {-
17 int key_bits;-
18 RC2_KEY ks;-
19} EVP_RC2_KEY;-
20-
21-
22-
23static int rc2_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { while(inl>=((size_t)1<<(sizeof(long)*8-2))
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 18 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
) { RC2_cbc_encrypt(in, out, (long)((size_t)1<<(sizeof(long)*8-2)), &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt); inl-=((size_t)1<<(sizeof(long)*8-2)); in +=((size_t)1<<(sizeof(long)*8-2)); out+=((size_t)1<<(sizeof(long)*8-2)); }
never executed: end of block
 if (inl
inlDescription
TRUEevaluated 18 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
) RC2_cbc_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
executed 18 times by 1 test: RC2_cbc_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
Executed by:
  • libcrypto.so.44.0.1
 return
executed 18 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 18 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
} static int rc2_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { size_t chunk=((size_t)1<<(sizeof(long)*8-2)); if (64==1
64==1Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
) chunk>>=3;
never executed: chunk>>=3;
 if (inl<chunk
inl<chunkDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
) chunk=inl;
executed 4 times by 1 test: chunk=inl;
Executed by:
  • libcrypto.so.44.0.1
 while(inl
inlDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
 && inl>=chunk
inl>=chunkDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
) { RC2_cfb64_encrypt(in, out, (long)((64==1) && !(ctx->flags & 0x2000) ?inl*8:inl), &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num, ctx->encrypt); inl-=chunk; in +=chunk; out+=chunk; if(inl<chunk
inl<chunkDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
) chunk=inl;
executed 4 times by 1 test: chunk=inl;
Executed by:
  • libcrypto.so.44.0.1
 }
executed 4 times by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
 return
executed 4 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 4 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
} static int rc2_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { size_t i, bl; bl = ctx->cipher->block_size; if(inl < bl
inl < blDescription
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
) return
never executed: return 1;
 1;
never executed: return 1;
 inl -= bl; for(i=0; i <= inl
i <= inlDescription
TRUEevaluated 448 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
; i+=bl) RC2_ecb_encrypt(in + i, out + i, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->encrypt);
executed 448 times by 1 test: RC2_ecb_encrypt(in + i, out + i, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->encrypt);
Executed by:
  • libcrypto.so.44.0.1
 return
executed 6 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 6 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
} static int rc2_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { while(inl>=((size_t)1<<(sizeof(long)*8-2))
inl>=((size_t)...of(long)*8-2))Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
) { RC2_ofb64_encrypt(in, out, (long)((size_t)1<<(sizeof(long)*8-2)), &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num); inl-=((size_t)1<<(sizeof(long)*8-2)); in +=((size_t)1<<(sizeof(long)*8-2)); out+=((size_t)1<<(sizeof(long)*8-2)); }
never executed: end of block
 if (inl
inlDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
) RC2_ofb64_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
executed 4 times by 1 test: RC2_ofb64_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
Executed by:
  • libcrypto.so.44.0.1
 return
executed 4 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 4 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
} static const EVP_CIPHER rc2_cbc = { 37, 8, 16, 8, 0x8 | 0x40 | 0x2, rc2_init_key, rc2_cbc_cipher, 		0-448
24((void *)0)-
25, sizeof(EVP_RC2_KEY), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, rc2_ctrl, -
26((void *)0) -
27}; const EVP_CIPHER *EVP_rc2_cbc(void) { return
executed 625 times by 33 tests: return &rc2_cbc;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 &rc2_cbc;
executed 625 times by 33 tests: return &rc2_cbc;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 } static const EVP_CIPHER rc2_cfb64 = { 39, 1, 16, 8, 0x8 | 0x40 | 0x3, rc2_init_key, rc2_cfb64_cipher, 		625
28((void *)0)-
29, sizeof(EVP_RC2_KEY), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, rc2_ctrl, -
30((void *)0) -
31}; const EVP_CIPHER *EVP_rc2_cfb64(void) { return
executed 292 times by 33 tests: return &rc2_cfb64;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 &rc2_cfb64;
executed 292 times by 33 tests: return &rc2_cfb64;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 } static const EVP_CIPHER rc2_ofb = { 40, 1, 16, 8, 0x8 | 0x40 | 0x4, rc2_init_key, rc2_ofb_cipher, 		292
32((void *)0)-
33, sizeof(EVP_RC2_KEY), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, rc2_ctrl, -
34((void *)0) -
35}; const EVP_CIPHER *EVP_rc2_ofb(void) { return
executed 292 times by 33 tests: return &rc2_ofb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 &rc2_ofb;
executed 292 times by 33 tests: return &rc2_ofb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 } static const EVP_CIPHER rc2_ecb = { 38, 8, 16, 0, 0x8 | 0x40 | 0x1, rc2_init_key, rc2_ecb_cipher, 		292
36((void *)0)-
37, sizeof(EVP_RC2_KEY), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, rc2_ctrl, -
38((void *)0) -
39}; const EVP_CIPHER *EVP_rc2_ecb(void) { return
executed 292 times by 33 tests: return &rc2_ecb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 &rc2_ecb;
executed 292 times by 33 tests: return &rc2_ecb;
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 }		292
40static const EVP_CIPHER r2_64_cbc_cipher = {-
41 166,-
42 8, 8 , 8,-
43 0x2 | 0x8 | 0x40,-
44 rc2_init_key,-
45 rc2_cbc_cipher,-
46 -
47((void *)0)-
48 ,-
49 sizeof(EVP_RC2_KEY),-
50 rc2_set_asn1_type_and_iv,-
51 rc2_get_asn1_type_and_iv,-
52 rc2_ctrl,-
53 -
54((void *)0)-
55-
56};-
57-
58static const EVP_CIPHER r2_40_cbc_cipher = {-
59 98,-
60 8, 5 , 8,-
61 0x2 | 0x8 | 0x40,-
62 rc2_init_key,-
63 rc2_cbc_cipher,-
64 -
65((void *)0)-
66 ,-
67 sizeof(EVP_RC2_KEY),-
68 rc2_set_asn1_type_and_iv,-
69 rc2_get_asn1_type_and_iv,-
70 rc2_ctrl,-
71 -
72((void *)0)-
73-
74};-
75-
76const EVP_CIPHER *-
77EVP_rc2_64_cbc(void)-
78{-
79 return
executed 292 times by 33 tests: return (&r2_64_cbc_cipher);
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 (&r2_64_cbc_cipher);
executed 292 times by 33 tests: return (&r2_64_cbc_cipher);
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
292
80}-
81-
82const EVP_CIPHER *-
83EVP_rc2_40_cbc(void)-
84{-
85 return
executed 625 times by 33 tests: return (&r2_40_cbc_cipher);
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
 (&r2_40_cbc_cipher);
executed 625 times by 33 tests: return (&r2_40_cbc_cipher);
Executed by:
  • asn1test
  • base64test
  • bnaddsub
  • bntest
  • cipher_list
  • cipherstest
  • clienttest
  • configtest
  • dhtest
  • dsatest
  • ecdhtest
  • ecdsatest
  • ectest
  • enginetest
  • evptest
  • exptest
  • gost2814789t
  • hkdftest
  • keypairtest
  • libcrypto.so.44.0.1
  • mont
  • pbkdf2
  • pkcs7test
  • rc4test
  • rsa_test
  • ...
625
86}-
87-
88static int-
89rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,-
90 const unsigned char *iv, int enc)-
91{-
92 RC2_set_key(&((EVP_RC2_KEY *)(ctx)->cipher_data)->ks, EVP_CIPHER_CTX_key_length(ctx),-
93 key, ((EVP_RC2_KEY *)(ctx)->cipher_data)->key_bits);-
94 return
executed 24 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 24 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
24
95}-
96-
97static int-
98rc2_meth_to_magic(EVP_CIPHER_CTX *e)-
99{-
100 int i;-
101-
102 EVP_CIPHER_CTX_ctrl(e, 0x2, 0, &i);-
103 if (i == 128
i == 128Description
TRUEnever evaluated
FALSEnever evaluated
)		0
104 return
never executed: return (0x3a);
 (0x3a);
never executed: return (0x3a);
0
105 else if (i == 64
i == 64Description
TRUEnever evaluated
FALSEnever evaluated
)		0
106 return
never executed: return (0x78);
 (0x78);
never executed: return (0x78);
0
107 else if (i == 40
i == 40Description
TRUEnever evaluated
FALSEnever evaluated
)		0
108 return
never executed: return (0xa0);
 (0xa0);
never executed: return (0xa0);
0
109 else-
110 return
never executed: return (0);
 (0);
never executed: return (0);
0
111}-
112-
113static int-
114rc2_magic_to_meth(int i)-
115{-
116 if (i == 0x3a
i == 0x3aDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
117 return
never executed: return 128;
 128;
never executed: return 128;
0
118 else if (i == 0x78
i == 0x78Description
TRUEnever evaluated
FALSEnever evaluated
)		0
119 return
never executed: return 64;
 64;
never executed: return 64;
0
120 else if (i == 0xa0
i == 0xa0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
121 return
never executed: return 40;
 40;
never executed: return 40;
0
122 else {-
123 ERR_put_error(6,(0xfff),(108),__FILE__,174);-
124 return
never executed: return (0);
 (0);
never executed: return (0);
0
125 }-
126}-
127-
128static int-
129rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)-
130{-
131 long num = 0;-
132 int i = 0;-
133 int key_bits;-
134 unsigned int l;-
135 unsigned char iv[16];-
136-
137 if (type !=
type != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
138 ((void *)0)
type != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
139 ) {-
140 l = EVP_CIPHER_CTX_iv_length(c);-
141 if (l > sizeof(iv)
l > sizeof(iv)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
142 ERR_put_error(6,(0xfff),(102),__FILE__,191);-
143 return
never executed: return -1;
 -1;
never executed: return -1;
0
144 }-
145 i = ASN1_TYPE_get_int_octetstring(type, &num, iv, l);-
146 if (i != (int)l
i != (int)lDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
147 return
never executed: return (-1);
 (-1);
never executed: return (-1);
0
148 key_bits = rc2_magic_to_meth((int)num);-
149 if (!key_bits
!key_bitsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
150 return
never executed: return (-1);
 (-1);
never executed: return (-1);
0
151 if (i > 0
i > 0Description
TRUEnever evaluated
FALSEnever evaluated
 && !EVP_CipherInit_ex(c,
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
152 ((void *)0)
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
153 ,
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
154 ((void *)0)
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
155 ,
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
156 ((void *)0)
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
157 , iv, -1)
!EVP_CipherIni...*)0) , iv, -1)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
158 return
never executed: return -1;
 -1;
never executed: return -1;
0
159 EVP_CIPHER_CTX_ctrl(c, 0x3,-
160 key_bits, -
161 ((void *)0)-
162 );-
163 EVP_CIPHER_CTX_set_key_length(c, key_bits / 8);-
164 }
never executed: end of block
0
165 return
never executed: return (i);
 (i);
never executed: return (i);
0
166}-
167-
168static int-
169rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)-
170{-
171 long num;-
172 int i = 0, j;-
173-
174 if (type !=
type != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
175 ((void *)0)
type != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
176 ) {-
177 num = rc2_meth_to_magic(c);-
178 j = EVP_CIPHER_CTX_iv_length(c);-
179 i = ASN1_TYPE_set_int_octetstring(type, num, c->oiv, j);-
180 }
never executed: end of block
0
181 return
never executed: return (i);
 (i);
never executed: return (i);
0
182}-
183-
184static int-
185rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)-
186{-
187 switch (type) {-
188 case
executed 24 times by 1 test: case 0x0:
Executed by:
  • libcrypto.so.44.0.1
 0x0:
executed 24 times by 1 test: case 0x0:
Executed by:
  • libcrypto.so.44.0.1
24
189 ((EVP_RC2_KEY *)(c)->cipher_data)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8;-
190 return
executed 24 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
 1;
executed 24 times by 1 test: return 1;
Executed by:
  • libcrypto.so.44.0.1
24
191-
192 case
never executed: case 0x2:
 0x2:
never executed: case 0x2:
0
193 *(int *)ptr = ((EVP_RC2_KEY *)(c)->cipher_data)->key_bits;-
194 return
never executed: return 1;
 1;
never executed: return 1;
0
195-
196 case
never executed: case 0x3:
 0x3:
never executed: case 0x3:
0
197 if (arg > 0
arg > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
198 ((EVP_RC2_KEY *)(c)->cipher_data)->key_bits = arg;-
199 return
never executed: return 1;
 1;
never executed: return 1;
0
200 }-
201 return
never executed: return 0;
 0;
never executed: return 0;
0
202-
203-
204-
205-
206-
207-
208-
209 default
never executed: default:
:
never executed: default:
0
210 return
never executed: return -1;
 -1;
never executed: return -1;
0
211 }-
212}-
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