OpenCoverage

siphash_pmeth.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/siphash/siphash_pmeth.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/*-
2 * Copyright 2007-2018 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/x509.h>-
13#include <openssl/x509v3.h>-
14#include <openssl/evp.h>-
15#include <openssl/err.h>-
16#include "internal/siphash.h"-
17#include "siphash_local.h"-
18#include "internal/evp_int.h"-
19-
20/* SIPHASH pkey context structure */-
21-
22typedef struct siphash_pkey_ctx_st {-
23 ASN1_OCTET_STRING ktmp; /* Temp storage for key */-
24 SIPHASH ctx;-
25} SIPHASH_PKEY_CTX;-
26-
27static int pkey_siphash_init(EVP_PKEY_CTX *ctx)-
28{-
29 SIPHASH_PKEY_CTX *pctx;-
30-
31 if ((pctx = OPENSSL_zalloc(sizeof(*pctx))) == NULL) {
(pctx = CRYPTO...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 52 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-52
32 CRYPTOerr(CRYPTO_F_PKEY_SIPHASH_INIT, ERR_R_MALLOC_FAILURE);-
33 return 0;
never executed: return 0;
0
34 }-
35 pctx->ktmp.type = V_ASN1_OCTET_STRING;-
36-
37 EVP_PKEY_CTX_set_data(ctx, pctx);-
38 EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);-
39 return 1;
executed 52 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
52
40}-
41-
42static void pkey_siphash_cleanup(EVP_PKEY_CTX *ctx)-
43{-
44 SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);-
45-
46 if (pctx != NULL) {
pctx != ((void *)0)Description
TRUEevaluated 52 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-52
47 OPENSSL_clear_free(pctx->ktmp.data, pctx->ktmp.length);-
48 OPENSSL_clear_free(pctx, sizeof(*pctx));-
49 EVP_PKEY_CTX_set_data(ctx, NULL);-
50 }
executed 52 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
52
51}
executed 52 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
52
52-
53static int pkey_siphash_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)-
54{-
55 SIPHASH_PKEY_CTX *sctx, *dctx;-
56-
57 /* allocate memory for dst->data and a new SIPHASH_CTX in dst->data->ctx */-
58 if (!pkey_siphash_init(dst))
!pkey_siphash_init(dst)Description
TRUEnever evaluated
FALSEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-26
59 return 0;
never executed: return 0;
0
60 sctx = EVP_PKEY_CTX_get_data(src);-
61 dctx = EVP_PKEY_CTX_get_data(dst);-
62 if (ASN1_STRING_get0_data(&sctx->ktmp) != NULL &&
ASN1_STRING_ge...!= ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-26
63 !ASN1_STRING_copy(&dctx->ktmp, &sctx->ktmp)) {
!ASN1_STRING_c..., &sctx->ktmp)Description
TRUEnever evaluated
FALSEnever evaluated
0
64 /* cleanup and free the SIPHASH_PKEY_CTX in dst->data */-
65 pkey_siphash_cleanup(dst);-
66 return 0;
never executed: return 0;
0
67 }-
68 memcpy(&dctx->ctx, &sctx->ctx, sizeof(SIPHASH));-
69 return 1;
executed 26 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
26
70}-
71-
72static int pkey_siphash_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)-
73{-
74 ASN1_OCTET_STRING *key;-
75 SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);-
76-
77 if (ASN1_STRING_get0_data(&pctx->ktmp) == NULL)
ASN1_STRING_ge...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
78 return 0;
never executed: return 0;
0
79 key = ASN1_OCTET_STRING_dup(&pctx->ktmp);-
80 if (key == NULL)
key == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
81 return 0;
never executed: return 0;
0
82 return EVP_PKEY_assign_SIPHASH(pkey, key);
never executed: return EVP_PKEY_assign((pkey),1062, (char *)(key));
0
83}-
84-
85static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)-
86{-
87 SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(EVP_MD_CTX_pkey_ctx(ctx));-
88-
89 SipHash_Update(&pctx->ctx, data, count);-
90 return 1;
executed 26 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
26
91}-
92-
93static int siphash_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)-
94{-
95 SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);-
96 const unsigned char* key;-
97 size_t len;-
98-
99 key = EVP_PKEY_get0_siphash(EVP_PKEY_CTX_get0_pkey(ctx), &len);-
100 if (key == NULL || len != SIPHASH_KEY_SIZE)
key == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
len != 16Description
TRUEnever evaluated
FALSEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-26
101 return 0;
never executed: return 0;
0
102 EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);-
103 EVP_MD_CTX_set_update_fn(mctx, int_update);-
104 return SipHash_Init(&pctx->ctx, key, 0, 0);
executed 26 times by 1 test: return SipHash_Init(&pctx->ctx, key, 0, 0);
Executed by:
  • libcrypto.so.1.1
26
105}-
106static int siphash_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,-
107 EVP_MD_CTX *mctx)-
108{-
109 SIPHASH_PKEY_CTX *pctx = ctx->data;-
110-
111 *siglen = SipHash_hash_size(&pctx->ctx);-
112 if (sig != NULL)
sig != ((void *)0)Description
TRUEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 26 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
26
113 return SipHash_Final(&pctx->ctx, sig, *siglen);
executed 26 times by 1 test: return SipHash_Final(&pctx->ctx, sig, *siglen);
Executed by:
  • libcrypto.so.1.1
26
114 return 1;
executed 26 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
26
115}-
116-
117static int pkey_siphash_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)-
118{-
119 SIPHASH_PKEY_CTX *pctx = EVP_PKEY_CTX_get_data(ctx);-
120 const unsigned char *key;-
121 size_t len;-
122-
123 switch (type) {-
124-
125 case EVP_PKEY_CTRL_MD:
executed 26 times by 1 test: case 1:
Executed by:
  • libcrypto.so.1.1
26
126 /* ignore */-
127 break;
executed 26 times by 1 test: break;
Executed by:
  • libcrypto.so.1.1
26
128-
129 case EVP_PKEY_CTRL_SET_DIGEST_SIZE:
executed 4 times by 1 test: case 14:
Executed by:
  • libcrypto.so.1.1
4
130 return SipHash_set_hash_size(&pctx->ctx, p1);
executed 4 times by 1 test: return SipHash_set_hash_size(&pctx->ctx, p1);
Executed by:
  • libcrypto.so.1.1
4
131-
132 case EVP_PKEY_CTRL_SET_MAC_KEY:
never executed: case 6:
0
133 case EVP_PKEY_CTRL_DIGESTINIT:
never executed: case 7:
0
134 if (type == EVP_PKEY_CTRL_SET_MAC_KEY) {
type == 6Description
TRUEnever evaluated
FALSEnever evaluated
0
135 /* user explicitly setting the key */-
136 key = p2;-
137 len = p1;-
138 } else {
never executed: end of block
0
139 /* user indirectly setting the key via EVP_DigestSignInit */-
140 key = EVP_PKEY_get0_siphash(EVP_PKEY_CTX_get0_pkey(ctx), &len);-
141 }
never executed: end of block
0
142 if (key == NULL || len != SIPHASH_KEY_SIZE ||
key == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
len != 16Description
TRUEnever evaluated
FALSEnever evaluated
0
143 !ASN1_OCTET_STRING_set(&pctx->ktmp, key, len))
!ASN1_OCTET_ST...tmp, key, len)Description
TRUEnever evaluated
FALSEnever evaluated
0
144 return 0;
never executed: return 0;
0
145 /* use default rounds (2,4) */-
146 return SipHash_Init(&pctx->ctx, ASN1_STRING_get0_data(&pctx->ktmp),
never executed: return SipHash_Init(&pctx->ctx, ASN1_STRING_get0_data(&pctx->ktmp), 0, 0);
0
147 0, 0);
never executed: return SipHash_Init(&pctx->ctx, ASN1_STRING_get0_data(&pctx->ktmp), 0, 0);
0
148-
149 default:
never executed: default:
0
150 return -2;
never executed: return -2;
0
151-
152 }-
153 return 1;
executed 26 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
26
154}-
155-
156static int pkey_siphash_ctrl_str(EVP_PKEY_CTX *ctx,-
157 const char *type, const char *value)-
158{-
159 if (value == NULL)
value == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-4
160 return 0;
never executed: return 0;
0
161 if (strcmp(type, "digestsize") == 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 *) ( "digestsize" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEevaluated 4 times 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
0-4
162 size_t hash_size = atoi(value);-
163-
164 return pkey_siphash_ctrl(ctx, EVP_PKEY_CTRL_SET_DIGEST_SIZE, hash_size,
executed 4 times by 1 test: return pkey_siphash_ctrl(ctx, 14, hash_size, ((void *)0) );
Executed by:
  • libcrypto.so.1.1
4
165 NULL);
executed 4 times by 1 test: return pkey_siphash_ctrl(ctx, 14, hash_size, ((void *)0) );
Executed by:
  • libcrypto.so.1.1
4
166 }-
167 if (strcmp(type, "key") == 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 *) ( "key" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
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
168 return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
never executed: return EVP_PKEY_CTX_str2ctrl(ctx, 6, value);
0
169 if (strcmp(type, "hexkey") == 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 *) ( "hexkey" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
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
170 return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
never executed: return EVP_PKEY_CTX_hex2ctrl(ctx, 6, value);
0
171 return -2;
never executed: return -2;
0
172}-
173-
174const EVP_PKEY_METHOD siphash_pkey_meth = {-
175 EVP_PKEY_SIPHASH,-
176 EVP_PKEY_FLAG_SIGCTX_CUSTOM, /* we don't deal with a separate MD */-
177 pkey_siphash_init,-
178 pkey_siphash_copy,-
179 pkey_siphash_cleanup,-
180-
181 0, 0,-
182-
183 0,-
184 pkey_siphash_keygen,-
185-
186 0, 0,-
187-
188 0, 0,-
189-
190 0, 0,-
191-
192 siphash_signctx_init,-
193 siphash_signctx,-
194-
195 0, 0,-
196-
197 0, 0,-
198-
199 0, 0,-
200-
201 0, 0,-
202-
203 pkey_siphash_ctrl,-
204 pkey_siphash_ctrl_str-
205};-
Source codeSwitch to Preprocessed file
Generated by Squish Coco 4.2.2