OpenCoverage

scrypt.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/kdf/scrypt.c
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1/*-
2 * Copyright 2017-2018 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 <stdlib.h>-
11#include <string.h>-
12#include <openssl/hmac.h>-
13#include <openssl/kdf.h>-
14#include <openssl/evp.h>-
15#include "internal/cryptlib.h"-
16#include "internal/evp_int.h"-
17-
18#ifndef OPENSSL_NO_SCRYPT-
19-
20static int atou64(const char *nptr, uint64_t *result);-
21-
22typedef struct {-
23 unsigned char *pass;-
24 size_t pass_len;-
25 unsigned char *salt;-
26 size_t salt_len;-
27 uint64_t N, r, p;-
28 uint64_t maxmem_bytes;-
29} SCRYPT_PKEY_CTX;-
30-
31/* Custom uint64_t parser since we do not have strtoull */-
32static int atou64(const char *nptr, uint64_t *result)-
33{-
34 uint64_t value = 0;-
35-
36 while (*nptr) {
*nptrDescription
TRUEevaluated 41 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 18 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
18-41
37 unsigned int digit;-
38 uint64_t new_value;-
39-
40 if ((*nptr < '0') || (*nptr > '9')) {
(*nptr < '0')Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(*nptr > '9')Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-41
41 return 0;
never executed: return 0;
0
42 }-
43 digit = (unsigned int)(*nptr - '0');-
44 new_value = (value * 10) + digit;-
45 if ((new_value < digit) || ((new_value - digit) / 10 != value)) {
(new_value < digit)Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
((new_value - .../ 10 != value)Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-41
46 /* Overflow */-
47 return 0;
never executed: return 0;
0
48 }-
49 value = new_value;-
50 nptr++;-
51 }
executed 41 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
41
52 *result = value;-
53 return 1;
executed 18 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
18
54}-
55-
56static int pkey_scrypt_init(EVP_PKEY_CTX *ctx)-
57{-
58 SCRYPT_PKEY_CTX *kctx;-
59-
60 kctx = OPENSSL_zalloc(sizeof(*kctx));-
61 if (kctx == NULL) {
kctx == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
62 KDFerr(KDF_F_PKEY_SCRYPT_INIT, ERR_R_MALLOC_FAILURE);-
63 return 0;
never executed: return 0;
0
64 }-
65-
66 /* Default values are the most conservative recommendation given in the-
67 * original paper of C. Percival. Derivation uses roughly 1 GiB of memory-
68 * for this parameter choice (approx. 128 * r * (N + p) bytes).-
69 */-
70 kctx->N = 1 << 20;-
71 kctx->r = 8;-
72 kctx->p = 1;-
73 kctx->maxmem_bytes = 1025 * 1024 * 1024;-
74-
75 ctx->data = kctx;-
76-
77 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
7
78}-
79-
80static void pkey_scrypt_cleanup(EVP_PKEY_CTX *ctx)-
81{-
82 SCRYPT_PKEY_CTX *kctx = ctx->data;-
83-
84 OPENSSL_clear_free(kctx->salt, kctx->salt_len);-
85 OPENSSL_clear_free(kctx->pass, kctx->pass_len);-
86 OPENSSL_free(kctx);-
87}
executed 7 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
7
88-
89static int pkey_scrypt_set_membuf(unsigned char **buffer, size_t *buflen,-
90 const unsigned char *new_buffer,-
91 const int new_buflen)-
92{-
93 if (new_buffer == NULL)
new_buffer == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 14 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-14
94 return 1;
never executed: return 1;
0
95-
96 if (new_buflen < 0)
new_buflen < 0Description
TRUEnever evaluated
FALSEevaluated 14 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-14
97 return 0;
never executed: return 0;
0
98-
99 if (*buffer != NULL)
*buffer != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 14 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-14
100 OPENSSL_clear_free(*buffer, *buflen);
never executed: CRYPTO_clear_free(*buffer, *buflen, __FILE__, 100);
0
101-
102 if (new_buflen > 0) {
new_buflen > 0Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-12
103 *buffer = OPENSSL_memdup(new_buffer, new_buflen);-
104 } else {
executed 12 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
12
105 *buffer = OPENSSL_malloc(1);-
106 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
107 if (*buffer == NULL) {
*buffer == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 14 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-14
108 KDFerr(KDF_F_PKEY_SCRYPT_SET_MEMBUF, ERR_R_MALLOC_FAILURE);-
109 return 0;
never executed: return 0;
0
110 }-
111-
112 *buflen = new_buflen;-
113 return 1;
executed 14 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
14
114}-
115-
116static int is_power_of_two(uint64_t value)-
117{-
118 return (value != 0) && ((value & (value - 1)) == 0);
executed 7 times by 1 test: return (value != 0) && ((value & (value - 1)) == 0);
Executed by:
  • libcrypto.so.1.1
(value != 0)Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
((value & (value - 1)) == 0)Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-7
119}-
120-
121static int pkey_scrypt_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)-
122{-
123 SCRYPT_PKEY_CTX *kctx = ctx->data;-
124 uint64_t u64_value;-
125-
126 switch (type) {-
127 case EVP_PKEY_CTRL_PASS:
executed 7 times by 1 test: case (0x1000 + 8):
Executed by:
  • libcrypto.so.1.1
7
128 return pkey_scrypt_set_membuf(&kctx->pass, &kctx->pass_len, p2, p1);
executed 7 times by 1 test: return pkey_scrypt_set_membuf(&kctx->pass, &kctx->pass_len, p2, p1);
Executed by:
  • libcrypto.so.1.1
7
129-
130 case EVP_PKEY_CTRL_SCRYPT_SALT:
executed 7 times by 1 test: case (0x1000 + 9):
Executed by:
  • libcrypto.so.1.1
7
131 return pkey_scrypt_set_membuf(&kctx->salt, &kctx->salt_len, p2, p1);
executed 7 times by 1 test: return pkey_scrypt_set_membuf(&kctx->salt, &kctx->salt_len, p2, p1);
Executed by:
  • libcrypto.so.1.1
7
132-
133 case EVP_PKEY_CTRL_SCRYPT_N:
executed 7 times by 1 test: case (0x1000 + 10):
Executed by:
  • libcrypto.so.1.1
7
134 u64_value = *((uint64_t *)p2);-
135 if ((u64_value <= 1) || !is_power_of_two(u64_value))
(u64_value <= 1)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
!is_power_of_two(u64_value)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
136 return 0;
never executed: return 0;
0
137 kctx->N = u64_value;-
138 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
7
139-
140 case EVP_PKEY_CTRL_SCRYPT_R:
executed 7 times by 1 test: case (0x1000 + 11):
Executed by:
  • libcrypto.so.1.1
7
141 u64_value = *((uint64_t *)p2);-
142 if (u64_value < 1)
u64_value < 1Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
143 return 0;
never executed: return 0;
0
144 kctx->r = u64_value;-
145 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
7
146-
147 case EVP_PKEY_CTRL_SCRYPT_P:
executed 7 times by 1 test: case (0x1000 + 12):
Executed by:
  • libcrypto.so.1.1
7
148 u64_value = *((uint64_t *)p2);-
149 if (u64_value < 1)
u64_value < 1Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
150 return 0;
never executed: return 0;
0
151 kctx->p = u64_value;-
152 return 1;
executed 7 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
7
153-
154 case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES:
executed 2 times by 1 test: case (0x1000 + 13):
Executed by:
  • libcrypto.so.1.1
2
155 u64_value = *((uint64_t *)p2);-
156 if (u64_value < 1)
u64_value < 1Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-2
157 return 0;
never executed: return 0;
0
158 kctx->maxmem_bytes = u64_value;-
159 return 1;
executed 2 times by 1 test: return 1;
Executed by:
  • libcrypto.so.1.1
2
160-
161 default:
never executed: default:
0
162 return -2;
never executed: return -2;
0
163-
164 }-
165}-
166-
167static int pkey_scrypt_ctrl_uint64(EVP_PKEY_CTX *ctx, int type,-
168 const char *value)-
169{-
170 uint64_t int_value;-
171-
172 if (!atou64(value, &int_value)) {
!atou64(value, &int_value)Description
TRUEnever evaluated
FALSEevaluated 18 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-18
173 KDFerr(KDF_F_PKEY_SCRYPT_CTRL_UINT64, KDF_R_VALUE_ERROR);-
174 return 0;
never executed: return 0;
0
175 }-
176 return pkey_scrypt_ctrl(ctx, type, 0, &int_value);
executed 18 times by 1 test: return pkey_scrypt_ctrl(ctx, type, 0, &int_value);
Executed by:
  • libcrypto.so.1.1
18
177}-
178-
179static int pkey_scrypt_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,-
180 const char *value)-
181{-
182 if (value == NULL) {
value == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 30 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-30
183 KDFerr(KDF_F_PKEY_SCRYPT_CTRL_STR, KDF_R_VALUE_MISSING);-
184 return 0;
never executed: return 0;
0
185 }-
186-
187 if (strcmp(type, "pass") == 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 *) ( "pass" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 25 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
0-25
188 return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_PASS, value);
executed 5 times by 1 test: return EVP_PKEY_CTX_str2ctrl(ctx, (0x1000 + 8), value);
Executed by:
  • libcrypto.so.1.1
5
189-
190 if (strcmp(type, "hexpass") == 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 *) ( "hexpass" ))[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 24 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
0-24
191 return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_PASS, value);
executed 1 time by 1 test: return EVP_PKEY_CTX_hex2ctrl(ctx, (0x1000 + 8), value);
Executed by:
  • libcrypto.so.1.1
1
192-
193 if (strcmp(type, "salt") == 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 *) ( "salt" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 19 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
0-19
194 return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SCRYPT_SALT, value);
executed 5 times by 1 test: return EVP_PKEY_CTX_str2ctrl(ctx, (0x1000 + 9), value);
Executed by:
  • libcrypto.so.1.1
5
195-
196 if (strcmp(type, "hexsalt") == 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 *) ( "hexsalt" ))[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 18 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
0-18
197 return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SCRYPT_SALT, value);
executed 1 time by 1 test: return EVP_PKEY_CTX_hex2ctrl(ctx, (0x1000 + 9), value);
Executed by:
  • libcrypto.so.1.1
1
198-
199 if (strcmp(type, "N") == 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 *) ( "N" ))[3] - __s2[3]);
never executed: end of block
executed 6 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
__extension__ ... )))); }) == 0Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 12 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
TRUEevaluated 18 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
__result == 0Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 12 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-18
200 return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_N, value);
executed 6 times by 1 test: return pkey_scrypt_ctrl_uint64(ctx, (0x1000 + 10), value);
Executed by:
  • libcrypto.so.1.1
6
201-
202 if (strcmp(type, "r") == 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 *) ( "r" ))[3] - __s2[3]);
never executed: end of block
executed 6 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
__extension__ ... )))); }) == 0Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 6 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
TRUEevaluated 12 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
__result == 0Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-12
203 return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_R, value);
executed 6 times by 1 test: return pkey_scrypt_ctrl_uint64(ctx, (0x1000 + 11), value);
Executed by:
  • libcrypto.so.1.1
6
204-
205 if (strcmp(type, "p") == 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 *) ( "p" ))[3] - __s2[3]);
never executed: end of block
executed 6 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
__extension__ ... )))); }) == 0Description
TRUEevaluated 6 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
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
__result == 0Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-6
206 return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_P, value);
executed 6 times by 1 test: return pkey_scrypt_ctrl_uint64(ctx, (0x1000 + 12), value);
Executed by:
  • libcrypto.so.1.1
6
207-
208 if (strcmp(type, "maxmem_bytes") == 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 *) ( "maxmem_bytes" ))[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
209 return pkey_scrypt_ctrl_uint64(ctx, EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
never executed: return pkey_scrypt_ctrl_uint64(ctx, (0x1000 + 13), value);
0
210 value);
never executed: return pkey_scrypt_ctrl_uint64(ctx, (0x1000 + 13), value);
0
211-
212 KDFerr(KDF_F_PKEY_SCRYPT_CTRL_STR, KDF_R_UNKNOWN_PARAMETER_TYPE);-
213 return -2;
never executed: return -2;
0
214}-
215-
216static int pkey_scrypt_derive(EVP_PKEY_CTX *ctx, unsigned char *key,-
217 size_t *keylen)-
218{-
219 SCRYPT_PKEY_CTX *kctx = ctx->data;-
220-
221 if (kctx->pass == NULL) {
kctx->pass == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
222 KDFerr(KDF_F_PKEY_SCRYPT_DERIVE, KDF_R_MISSING_PASS);-
223 return 0;
never executed: return 0;
0
224 }-
225-
226 if (kctx->salt == NULL) {
kctx->salt == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
227 KDFerr(KDF_F_PKEY_SCRYPT_DERIVE, KDF_R_MISSING_SALT);-
228 return 0;
never executed: return 0;
0
229 }-
230-
231 return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt,
executed 7 times by 1 test: return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt, kctx->salt_len, kctx->N, kctx->r, kctx->p, kctx->maxmem_bytes, key, *keylen);
Executed by:
  • libcrypto.so.1.1
7
232 kctx->salt_len, kctx->N, kctx->r, kctx->p,
executed 7 times by 1 test: return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt, kctx->salt_len, kctx->N, kctx->r, kctx->p, kctx->maxmem_bytes, key, *keylen);
Executed by:
  • libcrypto.so.1.1
7
233 kctx->maxmem_bytes, key, *keylen);
executed 7 times by 1 test: return EVP_PBE_scrypt((char *)kctx->pass, kctx->pass_len, kctx->salt, kctx->salt_len, kctx->N, kctx->r, kctx->p, kctx->maxmem_bytes, key, *keylen);
Executed by:
  • libcrypto.so.1.1
7
234}-
235-
236const EVP_PKEY_METHOD scrypt_pkey_meth = {-
237 EVP_PKEY_SCRYPT,-
238 0,-
239 pkey_scrypt_init,-
240 0,-
241 pkey_scrypt_cleanup,-
242-
243 0, 0,-
244 0, 0,-
245-
246 0,-
247 0,-
248-
249 0,-
250 0,-
251-
252 0, 0,-
253-
254 0, 0, 0, 0,-
255-
256 0, 0,-
257-
258 0, 0,-
259-
260 0,-
261 pkey_scrypt_derive,-
262 pkey_scrypt_ctrl,-
263 pkey_scrypt_ctrl_str-
264};-
265-
266#endif-
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