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p12_key.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/pkcs12/p12_key.c
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1/*-
2 * Copyright 1999-2016 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#include <openssl/pkcs12.h>-
13#include <openssl/bn.h>-
14-
15/* Uncomment out this line to get debugging info about key generation */-
16/*-
17 * #define OPENSSL_DEBUG_KEYGEN-
18 */-
19#ifdef OPENSSL_DEBUG_KEYGEN-
20# include <openssl/bio.h>-
21extern BIO *bio_err;-
22void h__dump(unsigned char *p, int len);-
23#endif-
24-
25/* PKCS12 compatible key/IV generation */-
26#ifndef min-
27# define min(a,b) ((a) < (b) ? (a) : (b))-
28#endif-
29-
30int PKCS12_key_gen_asc(const char *pass, int passlen, unsigned char *salt,-
31 int saltlen, int id, int iter, int n,-
32 unsigned char *out, const EVP_MD *md_type)-
33{-
34 int ret;-
35 unsigned char *unipass;-
36 int uniplen;-
37-
38 if (!pass) {
!passDescription
TRUEnever evaluated
FALSEnever evaluated
0
39 unipass = NULL;-
40 uniplen = 0;-
41 } else if (!OPENSSL_asc2uni(pass, passlen, &unipass, &uniplen)) {
never executed: end of block
!OPENSSL_asc2u...ass, &uniplen)Description
TRUEnever evaluated
FALSEnever evaluated
0
42 PKCS12err(PKCS12_F_PKCS12_KEY_GEN_ASC, ERR_R_MALLOC_FAILURE);-
43 return 0;
never executed: return 0;
0
44 }-
45 ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,-
46 id, iter, n, out, md_type);-
47 if (ret <= 0)
ret <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
48 return 0;
never executed: return 0;
0
49 OPENSSL_clear_free(unipass, uniplen);-
50 return ret;
never executed: return ret;
0
51}-
52-
53int PKCS12_key_gen_utf8(const char *pass, int passlen, unsigned char *salt,-
54 int saltlen, int id, int iter, int n,-
55 unsigned char *out, const EVP_MD *md_type)-
56{-
57 int ret;-
58 unsigned char *unipass;-
59 int uniplen;-
60-
61 if (!pass) {
!passDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1
62 unipass = NULL;-
63 uniplen = 0;-
64 } else if (!OPENSSL_utf82uni(pass, passlen, &unipass, &uniplen)) {
never executed: end of block
!OPENSSL_utf82...ass, &uniplen)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1
65 PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UTF8, ERR_R_MALLOC_FAILURE);-
66 return 0;
never executed: return 0;
0
67 }-
68 ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,-
69 id, iter, n, out, md_type);-
70 if (ret <= 0)
ret <= 0Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-1
71 return 0;
never executed: return 0;
0
72 OPENSSL_clear_free(unipass, uniplen);-
73 return ret;
executed 1 time by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
1
74}-
75-
76int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,-
77 int saltlen, int id, int iter, int n,-
78 unsigned char *out, const EVP_MD *md_type)-
79{-
80 unsigned char *B = NULL, *D = NULL, *I = NULL, *p = NULL, *Ai = NULL;-
81 int Slen, Plen, Ilen;-
82 int i, j, u, v;-
83 int ret = 0;-
84 EVP_MD_CTX *ctx = NULL;-
85#ifdef OPENSSL_DEBUG_KEYGEN-
86 unsigned char *tmpout = out;-
87 int tmpn = n;-
88#endif-
89-
90 ctx = EVP_MD_CTX_new();-
91 if (ctx == NULL)
ctx == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
92 goto err;
never executed: goto err;
0
93-
94#ifdef OPENSSL_DEBUG_KEYGEN-
95 fprintf(stderr, "KEYGEN DEBUG\n");-
96 fprintf(stderr, "ID %d, ITER %d\n", id, iter);-
97 fprintf(stderr, "Password (length %d):\n", passlen);-
98 h__dump(pass, passlen);-
99 fprintf(stderr, "Salt (length %d):\n", saltlen);-
100 h__dump(salt, saltlen);-
101#endif-
102 v = EVP_MD_block_size(md_type);-
103 u = EVP_MD_size(md_type);-
104 if (u < 0 || v <= 0)
u < 0Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
v <= 0Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
105 goto err;
never executed: goto err;
0
106 D = OPENSSL_malloc(v);-
107 Ai = OPENSSL_malloc(u);-
108 B = OPENSSL_malloc(v + 1);-
109 Slen = v * ((saltlen + v - 1) / v);-
110 if (passlen)
passlenDescription
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-7
111 Plen = v * ((passlen + v - 1) / v);
executed 7 times by 1 test: Plen = v * ((passlen + v - 1) / v);
Executed by:
  • libcrypto.so.1.1
7
112 else-
113 Plen = 0;
never executed: Plen = 0;
0
114 Ilen = Slen + Plen;-
115 I = OPENSSL_malloc(Ilen);-
116 if (D == NULL || Ai == NULL || B == NULL || I == NULL)
D == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
Ai == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
B == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
I == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7
117 goto err;
never executed: goto err;
0
118 for (i = 0; i < v; i++)
i < vDescription
TRUEevaluated 448 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
7-448
119 D[i] = id;
executed 448 times by 1 test: D[i] = id;
Executed by:
  • libcrypto.so.1.1
448
120 p = I;-
121 for (i = 0; i < Slen; i++)
i < SlenDescription
TRUEevaluated 448 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
7-448
122 *p++ = salt[i % saltlen];
executed 448 times by 1 test: *p++ = salt[i % saltlen];
Executed by:
  • libcrypto.so.1.1
448
123 for (i = 0; i < Plen; i++)
i < PlenDescription
TRUEevaluated 448 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
7-448
124 *p++ = pass[i % passlen];
executed 448 times by 1 test: *p++ = pass[i % passlen];
Executed by:
  • libcrypto.so.1.1
448
125 for (;;) {-
126 if (!EVP_DigestInit_ex(ctx, md_type, NULL)
!EVP_DigestIni... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-9
127 || !EVP_DigestUpdate(ctx, D, v)
!EVP_DigestUpdate(ctx, D, v)Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-9
128 || !EVP_DigestUpdate(ctx, I, Ilen)
!EVP_DigestUpd...(ctx, I, Ilen)Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-9
129 || !EVP_DigestFinal_ex(ctx, Ai, NULL))
!EVP_DigestFin... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-9
130 goto err;
never executed: goto err;
0
131 for (j = 1; j < iter; j++) {
j < iterDescription
TRUEevaluated 5995 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 9 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
9-5995
132 if (!EVP_DigestInit_ex(ctx, md_type, NULL)
!EVP_DigestIni... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 5995 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-5995
133 || !EVP_DigestUpdate(ctx, Ai, u)
!EVP_DigestUpdate(ctx, Ai, u)Description
TRUEnever evaluated
FALSEevaluated 5995 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-5995
134 || !EVP_DigestFinal_ex(ctx, Ai, NULL))
!EVP_DigestFin... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 5995 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-5995
135 goto err;
never executed: goto err;
0
136 }
executed 5995 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
5995
137 memcpy(out, Ai, min(n, u));-
138 if (u >= n) {
u >= nDescription
TRUEevaluated 7 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-7
139#ifdef OPENSSL_DEBUG_KEYGEN-
140 fprintf(stderr, "Output KEY (length %d)\n", tmpn);-
141 h__dump(tmpout, tmpn);-
142#endif-
143 ret = 1;-
144 goto end;
executed 7 times by 1 test: goto end;
Executed by:
  • libcrypto.so.1.1
7
145 }-
146 n -= u;-
147 out += u;-
148 for (j = 0; j < v; j++)
j < vDescription
TRUEevaluated 128 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-128
149 B[j] = Ai[j % u];
executed 128 times by 1 test: B[j] = Ai[j % u];
Executed by:
  • libcrypto.so.1.1
128
150 for (j = 0; j < Ilen; j += v) {
j < IlenDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-4
151 int k;-
152 unsigned char *Ij = I + j;-
153 uint16_t c = 1;-
154-
155 /* Work out Ij = Ij + B + 1 */-
156 for (k = v - 1; k >= 0; k--) {
k >= 0Description
TRUEevaluated 256 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4-256
157 c += Ij[k] + B[k];-
158 Ij[k] = (unsigned char)c;-
159 c >>= 8;-
160 }
executed 256 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
256
161 }
executed 4 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
4
162 }
executed 2 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
2
163-
164 err:
code before this statement never executed: err:
0
165 PKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI, ERR_R_MALLOC_FAILURE);-
166-
167 end:
code before this statement never executed: end:
0
168 OPENSSL_free(Ai);-
169 OPENSSL_free(B);-
170 OPENSSL_free(D);-
171 OPENSSL_free(I);-
172 EVP_MD_CTX_free(ctx);-
173 return ret;
executed 7 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
7
174}-
175-
176#ifdef OPENSSL_DEBUG_KEYGEN-
177void h__dump(unsigned char *p, int len)-
178{-
179 for (; len--; p++)-
180 fprintf(stderr, "%02X", *p);-
181 fprintf(stderr, "\n");-
182}-
183#endif-
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