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dh_pmeth.c

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1/*-
2 * Copyright 2006-2018 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#include <openssl/asn1t.h>-
13#include <openssl/x509.h>-
14#include <openssl/evp.h>-
15#include "dh_locl.h"-
16#include <openssl/bn.h>-
17#include <openssl/dsa.h>-
18#include <openssl/objects.h>-
19#include "internal/evp_int.h"-
20-
21/* DH pkey context structure */-
22-
23typedef struct {-
24 /* Parameter gen parameters */-
25 int prime_len;-
26 int generator;-
27 int use_dsa;-
28 int subprime_len;-
29 int pad;-
30 /* message digest used for parameter generation */-
31 const EVP_MD *md;-
32 int rfc5114_param;-
33 int param_nid;-
34 /* Keygen callback info */-
35 int gentmp[2];-
36 /* KDF (if any) to use for DH */-
37 char kdf_type;-
38 /* OID to use for KDF */-
39 ASN1_OBJECT *kdf_oid;-
40 /* Message digest to use for key derivation */-
41 const EVP_MD *kdf_md;-
42 /* User key material */-
43 unsigned char *kdf_ukm;-
44 size_t kdf_ukmlen;-
45 /* KDF output length */-
46 size_t kdf_outlen;-
47} DH_PKEY_CTX;-
48-
49static int pkey_dh_init(EVP_PKEY_CTX *ctx)-
50{-
51 DH_PKEY_CTX *dctx;-
52-
53 if ((dctx = OPENSSL_zalloc(sizeof(*dctx))) == NULL) {
(dctx = CRYPTO...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 443 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-443
54 DHerr(DH_F_PKEY_DH_INIT, ERR_R_MALLOC_FAILURE);-
55 return 0;
never executed: return 0;
0
56 }-
57 dctx->prime_len = 1024;-
58 dctx->subprime_len = -1;-
59 dctx->generator = 2;-
60 dctx->kdf_type = EVP_PKEY_DH_KDF_NONE;-
61-
62 ctx->data = dctx;-
63 ctx->keygen_info = dctx->gentmp;-
64 ctx->keygen_info_count = 2;-
65-
66 return 1;
executed 443 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
443
67}-
68-
69static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)-
70{-
71 DH_PKEY_CTX *dctx = ctx->data;-
72 if (dctx != NULL) {
dctx != ((void *)0)Description
TRUEevaluated 443 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-443
73 OPENSSL_free(dctx->kdf_ukm);-
74 ASN1_OBJECT_free(dctx->kdf_oid);-
75 OPENSSL_free(dctx);-
76 }
executed 443 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
443
77}
executed 443 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
443
78-
79-
80static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)-
81{-
82 DH_PKEY_CTX *dctx, *sctx;-
83 if (!pkey_dh_init(dst))
!pkey_dh_init(dst)Description
TRUEnever evaluated
FALSEnever evaluated
0
84 return 0;
never executed: return 0;
0
85 sctx = src->data;-
86 dctx = dst->data;-
87 dctx->prime_len = sctx->prime_len;-
88 dctx->subprime_len = sctx->subprime_len;-
89 dctx->generator = sctx->generator;-
90 dctx->use_dsa = sctx->use_dsa;-
91 dctx->pad = sctx->pad;-
92 dctx->md = sctx->md;-
93 dctx->rfc5114_param = sctx->rfc5114_param;-
94 dctx->param_nid = sctx->param_nid;-
95-
96 dctx->kdf_type = sctx->kdf_type;-
97 dctx->kdf_oid = OBJ_dup(sctx->kdf_oid);-
98 if (dctx->kdf_oid == NULL)
dctx->kdf_oid == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
99 return 0;
never executed: return 0;
0
100 dctx->kdf_md = sctx->kdf_md;-
101 if (sctx->kdf_ukm != NULL) {
sctx->kdf_ukm != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
102 dctx->kdf_ukm = OPENSSL_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);-
103 if (dctx->kdf_ukm == NULL)
dctx->kdf_ukm == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
104 return 0;
never executed: return 0;
0
105 dctx->kdf_ukmlen = sctx->kdf_ukmlen;-
106 }
never executed: end of block
0
107 dctx->kdf_outlen = sctx->kdf_outlen;-
108 return 1;
never executed: return 1;
0
109}-
110-
111static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)-
112{-
113 DH_PKEY_CTX *dctx = ctx->data;-
114 switch (type) {-
115 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
never executed: case (0x1000 + 1):
0
116 if (p1 < 256)
p1 < 256Description
TRUEnever evaluated
FALSEnever evaluated
0
117 return -2;
never executed: return -2;
0
118 dctx->prime_len = p1;-
119 return 1;
never executed: return 1;
0
120-
121 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
never executed: case (0x1000 + 4):
0
122 if (dctx->use_dsa == 0)
dctx->use_dsa == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
123 return -2;
never executed: return -2;
0
124 dctx->subprime_len = p1;-
125 return 1;
never executed: return 1;
0
126-
127 case EVP_PKEY_CTRL_DH_PAD:
executed 1 time by 1 test: case (0x1000 + 16):
Executed by:
  • libcrypto.so.1.1
1
128 dctx->pad = p1;-
129 return 1;
executed 1 time by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
1
130-
131 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
never executed: case (0x1000 + 2):
0
132 if (dctx->use_dsa)
dctx->use_dsaDescription
TRUEnever evaluated
FALSEnever evaluated
0
133 return -2;
never executed: return -2;
0
134 dctx->generator = p1;-
135 return 1;
never executed: return 1;
0
136-
137 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
never executed: case (0x1000 + 5):
0
138#ifdef OPENSSL_NO_DSA-
139 if (p1 != 0)-
140 return -2;-
141#else-
142 if (p1 < 0 || p1 > 2)
p1 < 0Description
TRUEnever evaluated
FALSEnever evaluated
p1 > 2Description
TRUEnever evaluated
FALSEnever evaluated
0
143 return -2;
never executed: return -2;
0
144#endif-
145 dctx->use_dsa = p1;-
146 return 1;
never executed: return 1;
0
147-
148 case EVP_PKEY_CTRL_DH_RFC5114:
never executed: case (0x1000 + 3):
0
149 if (p1 < 1 || p1 > 3 || dctx->param_nid != NID_undef)
p1 < 1Description
TRUEnever evaluated
FALSEnever evaluated
p1 > 3Description
TRUEnever evaluated
FALSEnever evaluated
dctx->param_nid != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
150 return -2;
never executed: return -2;
0
151 dctx->rfc5114_param = p1;-
152 return 1;
never executed: return 1;
0
153-
154 case EVP_PKEY_CTRL_DH_NID:
never executed: case (0x1000 + 15):
0
155 if (p1 <= 0 || dctx->rfc5114_param != 0)
p1 <= 0Description
TRUEnever evaluated
FALSEnever evaluated
dctx->rfc5114_param != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
156 return -2;
never executed: return -2;
0
157 dctx->param_nid = p1;-
158 return 1;
never executed: return 1;
0
159-
160 case EVP_PKEY_CTRL_PEER_KEY:
executed 452 times by 1 test: case 2:
Executed by:
  • libcrypto.so.1.1
452
161 /* Default behaviour is OK */-
162 return 1;
executed 452 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
452
163-
164 case EVP_PKEY_CTRL_DH_KDF_TYPE:
executed 3 times by 1 test: case (0x1000 + 6):
Executed by:
  • libcrypto.so.1.1
3
165 if (p1 == -2)
p1 == -2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-2
166 return dctx->kdf_type;
executed 1 time by 1 test: return dctx->kdf_type;
Executed by:
  • libcrypto.so.1.1
1
167#ifdef OPENSSL_NO_CMS-
168 if (p1 != EVP_PKEY_DH_KDF_NONE)-
169#else-
170 if (p1 != EVP_PKEY_DH_KDF_NONE && p1 != EVP_PKEY_DH_KDF_X9_42)
p1 != 1Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
p1 != 2Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
171#endif-
172 return -2;
never executed: return -2;
0
173 dctx->kdf_type = p1;-
174 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
175-
176 case EVP_PKEY_CTRL_DH_KDF_MD:
executed 2 times by 1 test: case (0x1000 + 7):
Executed by:
  • libcrypto.so.1.1
2
177 dctx->kdf_md = p2;-
178 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
179-
180 case EVP_PKEY_CTRL_GET_DH_KDF_MD:
executed 1 time by 1 test: case (0x1000 + 8):
Executed by:
  • libcrypto.so.1.1
1
181 *(const EVP_MD **)p2 = dctx->kdf_md;-
182 return 1;
executed 1 time by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
1
183-
184 case EVP_PKEY_CTRL_DH_KDF_OUTLEN:
executed 2 times by 1 test: case (0x1000 + 9):
Executed by:
  • libcrypto.so.1.1
2
185 if (p1 <= 0)
p1 <= 0Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
186 return -2;
never executed: return -2;
0
187 dctx->kdf_outlen = (size_t)p1;-
188 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
189-
190 case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN:
never executed: case (0x1000 + 10):
0
191 *(int *)p2 = dctx->kdf_outlen;-
192 return 1;
never executed: return 1;
0
193-
194 case EVP_PKEY_CTRL_DH_KDF_UKM:
executed 2 times by 1 test: case (0x1000 + 11):
Executed by:
  • libcrypto.so.1.1
2
195 OPENSSL_free(dctx->kdf_ukm);-
196 dctx->kdf_ukm = p2;-
197 if (p2)
p2Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
198 dctx->kdf_ukmlen = p1;
never executed: dctx->kdf_ukmlen = p1;
0
199 else-
200 dctx->kdf_ukmlen = 0;
executed 2 times by 1 test: dctx->kdf_ukmlen = 0;
Executed by:
  • libcrypto.so.1.1
2
201 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
202-
203 case EVP_PKEY_CTRL_GET_DH_KDF_UKM:
never executed: case (0x1000 + 12):
0
204 *(unsigned char **)p2 = dctx->kdf_ukm;-
205 return dctx->kdf_ukmlen;
never executed: return dctx->kdf_ukmlen;
0
206-
207 case EVP_PKEY_CTRL_DH_KDF_OID:
executed 2 times by 1 test: case (0x1000 + 13):
Executed by:
  • libcrypto.so.1.1
2
208 ASN1_OBJECT_free(dctx->kdf_oid);-
209 dctx->kdf_oid = p2;-
210 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
211-
212 case EVP_PKEY_CTRL_GET_DH_KDF_OID:
never executed: case (0x1000 + 14):
0
213 *(ASN1_OBJECT **)p2 = dctx->kdf_oid;-
214 return 1;
never executed: return 1;
0
215-
216 default:
never executed: default:
0
217 return -2;
never executed: return -2;
0
218-
219 }-
220}-
221-
222static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,-
223 const char *type, const char *value)-
224{-
225 if (strcmp(type, "dh_paramgen_prime_len") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_paramgen_prime_len" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-2
226 int len;-
227 len = atoi(value);-
228 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
never executed: return EVP_PKEY_CTX_ctrl(ctx, 28, (1<<1), (0x1000 + 1), len, ((void *)0) );
0
229 }-
230 if (strcmp(type, "dh_rfc5114") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_rfc5114" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-2
231 DH_PKEY_CTX *dctx = ctx->data;-
232 int len;-
233 len = atoi(value);-
234 if (len < 0 || len > 3)
len < 0Description
TRUEnever evaluated
FALSEnever evaluated
len > 3Description
TRUEnever evaluated
FALSEnever evaluated
0
235 return -2;
never executed: return -2;
0
236 dctx->rfc5114_param = len;-
237 return 1;
never executed: return 1;
0
238 }-
239 if (strcmp(type, "dh_param") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_param" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-1
240 DH_PKEY_CTX *dctx = ctx->data;-
241 int nid = OBJ_sn2nid(value);-
242-
243 if (nid == NID_undef) {
nid == 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1
244 DHerr(DH_F_PKEY_DH_CTRL_STR, DH_R_INVALID_PARAMETER_NAME);-
245 return -2;
never executed: return -2;
0
246 }-
247 dctx->param_nid = nid;-
248 return 1;
executed 1 time by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
1
249 }-
250 if (strcmp(type, "dh_paramgen_generator") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_paramgen_generator" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-1
251 int len;-
252 len = atoi(value);-
253 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
never executed: return EVP_PKEY_CTX_ctrl(ctx, 28, (1<<1), (0x1000 + 2), len, ((void *)0) );
0
254 }-
255 if (strcmp(type, "dh_paramgen_subprime_len") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_paramgen_subprime_len" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-1
256 int len;-
257 len = atoi(value);-
258 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, len);
never executed: return EVP_PKEY_CTX_ctrl(ctx, 28, (1<<1), (0x1000 + 4), len, ((void *)0) );
0
259 }-
260 if (strcmp(type, "dh_paramgen_type") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_paramgen_type" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-1
261 int typ;-
262 typ = atoi(value);-
263 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, typ);
never executed: return EVP_PKEY_CTX_ctrl(ctx, 28, (1<<1), (0x1000 + 5), typ, ((void *)0) );
0
264 }-
265 if (strcmp(type, "dh_pad") == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( type ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "dh_pad" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-1
266 int pad;-
267 pad = atoi(value);-
268 return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
executed 1 time by 1 test: return EVP_PKEY_CTX_ctrl(ctx, 28, (1<<10), (0x1000 + 16), pad, ((void *)0) );
Executed by:
  • libcrypto.so.1.1
1
269 }-
270 return -2;
never executed: return -2;
0
271}-
272-
273#ifndef OPENSSL_NO_DSA-
274-
275extern int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,-
276 const EVP_MD *evpmd,-
277 const unsigned char *seed_in, size_t seed_len,-
278 unsigned char *seed_out, int *counter_ret,-
279 unsigned long *h_ret, BN_GENCB *cb);-
280-
281extern int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,-
282 const EVP_MD *evpmd,-
283 const unsigned char *seed_in,-
284 size_t seed_len, int idx,-
285 unsigned char *seed_out, int *counter_ret,-
286 unsigned long *h_ret, BN_GENCB *cb);-
287-
288static DSA *dsa_dh_generate(DH_PKEY_CTX *dctx, BN_GENCB *pcb)-
289{-
290 DSA *ret;-
291 int rv = 0;-
292 int prime_len = dctx->prime_len;-
293 int subprime_len = dctx->subprime_len;-
294 const EVP_MD *md = dctx->md;-
295 if (dctx->use_dsa > 2)
dctx->use_dsa > 2Description
TRUEnever evaluated
FALSEnever evaluated
0
296 return NULL;
never executed: return ((void *)0) ;
0
297 ret = DSA_new();-
298 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
299 return NULL;
never executed: return ((void *)0) ;
0
300 if (subprime_len == -1) {
subprime_len == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
301 if (prime_len >= 2048)
prime_len >= 2048Description
TRUEnever evaluated
FALSEnever evaluated
0
302 subprime_len = 256;
never executed: subprime_len = 256;
0
303 else-
304 subprime_len = 160;
never executed: subprime_len = 160;
0
305 }-
306 if (md == NULL) {
md == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
307 if (prime_len >= 2048)
prime_len >= 2048Description
TRUEnever evaluated
FALSEnever evaluated
0
308 md = EVP_sha256();
never executed: md = EVP_sha256();
0
309 else-
310 md = EVP_sha1();
never executed: md = EVP_sha1();
0
311 }-
312 if (dctx->use_dsa == 1)
dctx->use_dsa == 1Description
TRUEnever evaluated
FALSEnever evaluated
0
313 rv = dsa_builtin_paramgen(ret, prime_len, subprime_len, md,
never executed: rv = dsa_builtin_paramgen(ret, prime_len, subprime_len, md, ((void *)0) , 0, ((void *)0) , ((void *)0) , ((void *)0) , pcb);
0
314 NULL, 0, NULL, NULL, NULL, pcb);
never executed: rv = dsa_builtin_paramgen(ret, prime_len, subprime_len, md, ((void *)0) , 0, ((void *)0) , ((void *)0) , ((void *)0) , pcb);
0
315 else if (dctx->use_dsa == 2)
dctx->use_dsa == 2Description
TRUEnever evaluated
FALSEnever evaluated
0
316 rv = dsa_builtin_paramgen2(ret, prime_len, subprime_len, md,
never executed: rv = dsa_builtin_paramgen2(ret, prime_len, subprime_len, md, ((void *)0) , 0, -1, ((void *)0) , ((void *)0) , ((void *)0) , pcb);
0
317 NULL, 0, -1, NULL, NULL, NULL, pcb);
never executed: rv = dsa_builtin_paramgen2(ret, prime_len, subprime_len, md, ((void *)0) , 0, -1, ((void *)0) , ((void *)0) , ((void *)0) , pcb);
0
318 if (rv <= 0) {
rv <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
319 DSA_free(ret);-
320 return NULL;
never executed: return ((void *)0) ;
0
321 }-
322 return ret;
never executed: return ret;
0
323}-
324-
325#endif-
326-
327static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)-
328{-
329 DH *dh = NULL;-
330 DH_PKEY_CTX *dctx = ctx->data;-
331 BN_GENCB *pcb;-
332 int ret;-
333 if (dctx->rfc5114_param) {
dctx->rfc5114_paramDescription
TRUEnever evaluated
FALSEnever evaluated
0
334 switch (dctx->rfc5114_param) {-
335 case 1:
never executed: case 1:
0
336 dh = DH_get_1024_160();-
337 break;
never executed: break;
0
338-
339 case 2:
never executed: case 2:
0
340 dh = DH_get_2048_224();-
341 break;
never executed: break;
0
342-
343 case 3:
never executed: case 3:
0
344 dh = DH_get_2048_256();-
345 break;
never executed: break;
0
346-
347 default:
never executed: default:
0
348 return -2;
never executed: return -2;
0
349 }-
350 EVP_PKEY_assign(pkey, EVP_PKEY_DHX, dh);-
351 return 1;
never executed: return 1;
0
352 }-
353-
354 if (dctx->param_nid != 0) {
dctx->param_nid != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
355 if ((dh = DH_new_by_nid(dctx->param_nid)) == NULL)
(dh = DH_new_b...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
356 return 0;
never executed: return 0;
0
357 EVP_PKEY_assign(pkey, EVP_PKEY_DH, dh);-
358 return 1;
never executed: return 1;
0
359 }-
360-
361 if (ctx->pkey_gencb) {
ctx->pkey_gencbDescription
TRUEnever evaluated
FALSEnever evaluated
0
362 pcb = BN_GENCB_new();-
363 if (pcb == NULL)
pcb == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
364 return 0;
never executed: return 0;
0
365 evp_pkey_set_cb_translate(pcb, ctx);-
366 } else
never executed: end of block
0
367 pcb = NULL;
never executed: pcb = ((void *)0) ;
0
368#ifndef OPENSSL_NO_DSA-
369 if (dctx->use_dsa) {
dctx->use_dsaDescription
TRUEnever evaluated
FALSEnever evaluated
0
370 DSA *dsa_dh;-
371 dsa_dh = dsa_dh_generate(dctx, pcb);-
372 BN_GENCB_free(pcb);-
373 if (dsa_dh == NULL)
dsa_dh == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
374 return 0;
never executed: return 0;
0
375 dh = DSA_dup_DH(dsa_dh);-
376 DSA_free(dsa_dh);-
377 if (!dh)
!dhDescription
TRUEnever evaluated
FALSEnever evaluated
0
378 return 0;
never executed: return 0;
0
379 EVP_PKEY_assign(pkey, EVP_PKEY_DHX, dh);-
380 return 1;
never executed: return 1;
0
381 }-
382#endif-
383 dh = DH_new();-
384 if (dh == NULL) {
dh == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
385 BN_GENCB_free(pcb);-
386 return 0;
never executed: return 0;
0
387 }-
388 ret = DH_generate_parameters_ex(dh,-
389 dctx->prime_len, dctx->generator, pcb);-
390 BN_GENCB_free(pcb);-
391 if (ret)
retDescription
TRUEnever evaluated
FALSEnever evaluated
0
392 EVP_PKEY_assign_DH(pkey, dh);
never executed: EVP_PKEY_assign((pkey),28, (char *)(dh));
0
393 else-
394 DH_free(dh);
never executed: DH_free(dh);
0
395 return ret;
never executed: return ret;
0
396}-
397-
398static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)-
399{-
400 DH_PKEY_CTX *dctx = ctx->data;-
401 DH *dh = NULL;-
402-
403 if (ctx->pkey == NULL && dctx->param_nid == 0) {
ctx->pkey == ((void *)0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 216 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
dctx->param_nid == 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-216
404 DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET);-
405 return 0;
never executed: return 0;
0
406 }-
407 if (dctx->param_nid != 0)
dctx->param_nid != 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 216 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-216
408 dh = DH_new_by_nid(dctx->param_nid);
executed 1 time by 1 test: dh = DH_new_by_nid(dctx->param_nid);
Executed by:
  • libcrypto.so.1.1
1
409 else-
410 dh = DH_new();
executed 216 times by 1 test: dh = DH_new();
Executed by:
  • libcrypto.so.1.1
216
411 if (dh == NULL)
dh == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 217 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-217
412 return 0;
never executed: return 0;
0
413 EVP_PKEY_assign(pkey, ctx->pmeth->pkey_id, dh);-
414 /* Note: if error return, pkey is freed by parent routine */-
415 if (ctx->pkey != NULL && !EVP_PKEY_copy_parameters(pkey, ctx->pkey))
ctx->pkey != ((void *)0)Description
TRUEevaluated 216 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
!EVP_PKEY_copy...ey, ctx->pkey)Description
TRUEnever evaluated
FALSEevaluated 216 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-216
416 return 0;
never executed: return 0;
0
417 return DH_generate_key(pkey->pkey.dh);
executed 217 times by 1 test: return DH_generate_key(pkey->pkey.dh);
Executed by:
  • libcrypto.so.1.1
217
418}-
419-
420static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,-
421 size_t *keylen)-
422{-
423 int ret;-
424 DH *dh;-
425 DH_PKEY_CTX *dctx = ctx->data;-
426 BIGNUM *dhpub;-
427 if (!ctx->pkey || !ctx->peerkey) {
!ctx->pkeyDescription
TRUEnever evaluated
FALSEevaluated 450 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
!ctx->peerkeyDescription
TRUEnever evaluated
FALSEevaluated 450 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-450
428 DHerr(DH_F_PKEY_DH_DERIVE, DH_R_KEYS_NOT_SET);-
429 return 0;
never executed: return 0;
0
430 }-
431 dh = ctx->pkey->pkey.dh;-
432 dhpub = ctx->peerkey->pkey.dh->pub_key;-
433 if (dctx->kdf_type == EVP_PKEY_DH_KDF_NONE) {
dctx->kdf_type == 1Description
TRUEevaluated 448 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-448
434 if (key == NULL) {
key == ((void *)0)Description
TRUEevaluated 224 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 224 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
224
435 *keylen = DH_size(dh);-
436 return 1;
executed 224 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
224
437 }-
438 if (dctx->pad)
dctx->padDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 223 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
1-223
439 ret = DH_compute_key_padded(key, dhpub, dh);
executed 1 time by 1 test: ret = DH_compute_key_padded(key, dhpub, dh);
Executed by:
  • libcrypto.so.1.1
1
440 else-
441 ret = DH_compute_key(key, dhpub, dh);
executed 223 times by 1 test: ret = DH_compute_key(key, dhpub, dh);
Executed by:
  • libcrypto.so.1.1
223
442 if (ret < 0)
ret < 0Description
TRUEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 209 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-209
443 return ret;
executed 15 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
15
444 *keylen = ret;-
445 return 1;
executed 209 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
209
446 }-
447#ifndef OPENSSL_NO_CMS-
448 else if (dctx->kdf_type == EVP_PKEY_DH_KDF_X9_42) {
dctx->kdf_type == 2Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2
449-
450 unsigned char *Z = NULL;-
451 size_t Zlen = 0;-
452 if (!dctx->kdf_outlen || !dctx->kdf_oid)
!dctx->kdf_outlenDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
!dctx->kdf_oidDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
453 return 0;
never executed: return 0;
0
454 if (key == NULL) {
key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
455 *keylen = dctx->kdf_outlen;-
456 return 1;
never executed: return 1;
0
457 }-
458 if (*keylen != dctx->kdf_outlen)
*keylen != dctx->kdf_outlenDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
459 return 0;
never executed: return 0;
0
460 ret = 0;-
461 Zlen = DH_size(dh);-
462 Z = OPENSSL_malloc(Zlen);-
463 if (Z == NULL) {
Z == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
464 goto err;
never executed: goto err;
0
465 }-
466 if (DH_compute_key_padded(Z, dhpub, dh) <= 0)
DH_compute_key...hpub, dh) <= 0Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
467 goto err;
never executed: goto err;
0
468 if (!DH_KDF_X9_42(key, *keylen, Z, Zlen, dctx->kdf_oid,
!DH_KDF_X9_42(... dctx->kdf_md)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
469 dctx->kdf_ukm, dctx->kdf_ukmlen, dctx->kdf_md))
!DH_KDF_X9_42(... dctx->kdf_md)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
470 goto err;
never executed: goto err;
0
471 *keylen = dctx->kdf_outlen;-
472 ret = 1;-
473 err:
code before this statement executed 2 times by 1 test: err:
Executed by:
  • libcrypto.so.1.1
2
474 OPENSSL_clear_free(Z, Zlen);-
475 return ret;
executed 2 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
2
476 }-
477#endif-
478 return 0;
never executed: return 0;
0
479}-
480-
481const EVP_PKEY_METHOD dh_pkey_meth = {-
482 EVP_PKEY_DH,-
483 0,-
484 pkey_dh_init,-
485 pkey_dh_copy,-
486 pkey_dh_cleanup,-
487-
488 0,-
489 pkey_dh_paramgen,-
490-
491 0,-
492 pkey_dh_keygen,-
493-
494 0,-
495 0,-
496-
497 0,-
498 0,-
499-
500 0, 0,-
501-
502 0, 0, 0, 0,-
503-
504 0, 0,-
505-
506 0, 0,-
507-
508 0,-
509 pkey_dh_derive,-
510-
511 pkey_dh_ctrl,-
512 pkey_dh_ctrl_str-
513};-
514-
515const EVP_PKEY_METHOD dhx_pkey_meth = {-
516 EVP_PKEY_DHX,-
517 0,-
518 pkey_dh_init,-
519 pkey_dh_copy,-
520 pkey_dh_cleanup,-
521-
522 0,-
523 pkey_dh_paramgen,-
524-
525 0,-
526 pkey_dh_keygen,-
527-
528 0,-
529 0,-
530-
531 0,-
532 0,-
533-
534 0, 0,-
535-
536 0, 0, 0, 0,-
537-
538 0, 0,-
539-
540 0, 0,-
541-
542 0,-
543 pkey_dh_derive,-
544-
545 pkey_dh_ctrl,-
546 pkey_dh_ctrl_str-
547};-
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