OpenCoverage

p5_pbe.c

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/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/asn1/p5_pbe.c

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1 /* $OpenBSD: p5_pbe.c,v 1.22 2017/01/29 17:49:22 beck Exp $ */ -

2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL -

3 * project 1999. -

4 */ -

5 /* ==================================================================== -

7 * -

8 * Redistribution and use in source and binary forms, with or without -

9 * modification, are permitted provided that the following conditions -

10 * are met: -

11 * -

12 * 1. Redistributions of source code must retain the above copyright -

13 * notice, this list of conditions and the following disclaimer. -

14 * -

15 * 2. Redistributions in binary form must reproduce the above copyright -

16 * notice, this list of conditions and the following disclaimer in -

17 * the documentation and/or other materials provided with the -

18 * distribution. -

19 * -

20 * 3. All advertising materials mentioning features or use of this -

21 * software must display the following acknowledgment: -

22 * "This product includes software developed by the OpenSSL Project -

23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" -

24 * -

25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to -

26 * endorse or promote products derived from this software without -

27 * prior written permission. For written permission, please contact -

28 * licensing@OpenSSL.org. -

29 * -

30 * 5. Products derived from this software may not be called "OpenSSL" -

31 * nor may "OpenSSL" appear in their names without prior written -

32 * permission of the OpenSSL Project. -

33 * -

34 * 6. Redistributions of any form whatsoever must retain the following -

35 * acknowledgment: -

36 * "This product includes software developed by the OpenSSL Project -

37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" -

38 * -

39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY -

40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -

41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -

42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR -

43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -

44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -

45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -

46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -

47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -

48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -

49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED -

50 * OF THE POSSIBILITY OF SUCH DAMAGE. -

51 * ==================================================================== -

52 * -

53 * This product includes cryptographic software written by Eric Young -

54 * (eay@cryptsoft.com). This product includes software written by Tim -

55 * Hudson (tjh@cryptsoft.com). -

56 * -

57 */ -

58 -

59 #include <stdio.h> -

60 #include <stdlib.h> -

61 #include <string.h> -

62 -

63 #include <openssl/asn1t.h> -

64 #include <openssl/err.h> -

65 #include <openssl/x509.h> -

66 -

67 /* PKCS#5 password based encryption structure */ -

68 -

69 static const ASN1_TEMPLATE PBEPARAM_seq_tt[] = { -

70 { -

71 .offset = offsetof(PBEPARAM, salt), -

72 .field_name = "salt", -

73 .item = &ASN1_OCTET_STRING_it, -

74 }, -

75 { -

76 .offset = offsetof(PBEPARAM, iter), -

77 .field_name = "iter", -

78 .item = &ASN1_INTEGER_it, -

79 }, -

80 }; -

81 -

82 const ASN1_ITEM PBEPARAM_it = { -

83 .itype = ASN1_ITYPE_SEQUENCE, -

84 .utype = V_ASN1_SEQUENCE, -

85 .templates = PBEPARAM_seq_tt, -

86 .tcount = sizeof(PBEPARAM_seq_tt) / sizeof(ASN1_TEMPLATE), -

87 .size = sizeof(PBEPARAM), -

88 .sname = "PBEPARAM", -

89 }; -

90 -

91 -

92 PBEPARAM * -

93 d2i_PBEPARAM(PBEPARAM **a, const unsigned char **in, long len) -

94 { -

return (PBEPARAM *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,

never executed: return (PBEPARAM *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &PBEPARAM_it);

&PBEPARAM_it);

never executed: return (PBEPARAM *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &PBEPARAM_it);

97 } -

98 -

99 int -

100 i2d_PBEPARAM(PBEPARAM *a, unsigned char **out) -

101 { -

102

return ASN1_item_i2d((ASN1_VALUE *)a, out, &PBEPARAM_it);

never executed: return ASN1_item_i2d((ASN1_VALUE *)a, out, &PBEPARAM_it);

103 } -

104 -

105 PBEPARAM * -

106 PBEPARAM_new(void) -

107 { -

108

return (PBEPARAM *)ASN1_item_new(&PBEPARAM_it);

never executed: return (PBEPARAM *)ASN1_item_new(&PBEPARAM_it);

109 } -

110 -

111 void -

112 PBEPARAM_free(PBEPARAM *a) -

113 { -

114 ASN1_item_free((ASN1_VALUE *)a, &PBEPARAM_it); -

115

}

executed 1 time by 1 test: end of block

Executed by:

freenull

116 -

117 -

118 /* Set an algorithm identifier for a PKCS#5 PBE algorithm */ -

119 -

120 int -

121 PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter, -

122 const unsigned char *salt, int saltlen) -

123 { -

124 PBEPARAM *pbe = NULL; -

125 ASN1_STRING *pbe_str = NULL; -

126 unsigned char *sstr; -

127 -

128 pbe = PBEPARAM_new(); -

129

if (!pbe) {

!pbe	Description
TRUE	never evaluated
FALSE	never evaluated

130 ASN1error(ERR_R_MALLOC_FAILURE); -

131

goto err;

never executed: goto err;

132 } -

133

if (iter <= 0)

iter <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

134

iter = PKCS5_DEFAULT_ITER;

never executed: iter = 2048;

135

if (!ASN1_INTEGER_set(pbe->iter, iter)) {

!ASN1_INTEGER_...e->iter, iter)	Description
TRUE	never evaluated
FALSE	never evaluated

136 ASN1error(ERR_R_MALLOC_FAILURE); -

137

goto err;

never executed: goto err;

138 } -

139

if (!saltlen)

!saltlen	Description
TRUE	never evaluated
FALSE	never evaluated

140

saltlen = PKCS5_SALT_LEN;

never executed: saltlen = 8;

141

if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) {

!ASN1_STRING_s...)0) , saltlen)	Description
TRUE	never evaluated
FALSE	never evaluated

142 ASN1error(ERR_R_MALLOC_FAILURE); -

143

goto err;

never executed: goto err;

144 } -

145 sstr = ASN1_STRING_data(pbe->salt); -

146

if (salt)

salt	Description
TRUE	never evaluated
FALSE	never evaluated

147

memcpy(sstr, salt, saltlen);

never executed: memcpy(sstr, salt, saltlen);

148 else -

149

arc4random_buf(sstr, saltlen);

never executed: arc4random_buf(sstr, saltlen);

150 -

151

if (!ASN1_item_pack(pbe, &PBEPARAM_it, &pbe_str)) {

!ASN1_item_pac..._it, &pbe_str)	Description
TRUE	never evaluated
FALSE	never evaluated

152 ASN1error(ERR_R_MALLOC_FAILURE); -

153

goto err;

never executed: goto err;

154 } -

155 -

156 PBEPARAM_free(pbe); -

157 pbe = NULL; -

158 -

159

if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))

X509_ALGOR_set..., 16, pbe_str)	Description
TRUE	never evaluated
FALSE	never evaluated

160

return 1;

never executed: return 1;

161 -

162

err:

code before this statement never executed: err:

163

if (pbe != NULL)

pbe != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

164

PBEPARAM_free(pbe);

never executed: PBEPARAM_free(pbe);

165 ASN1_STRING_free(pbe_str); -

166

return 0;

never executed: return 0;

167 } -

168 -

169 /* Return an algorithm identifier for a PKCS#5 PBE algorithm */ -

170 -

171 X509_ALGOR * -

172 PKCS5_pbe_set(int alg, int iter, const unsigned char *salt, int saltlen) -

173 { -

174 X509_ALGOR *ret; -

175 ret = X509_ALGOR_new(); -

176

if (!ret) {

!ret	Description
TRUE	never evaluated
FALSE	never evaluated

177 ASN1error(ERR_R_MALLOC_FAILURE); -

178

return NULL;

never executed: return ((void *)0) ;

179 } -

180 -

181

if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))

PKCS5_pbe_set0...salt, saltlen)	Description
TRUE	never evaluated
FALSE	never evaluated

182

return ret;

never executed: return ret;

183 -

184 X509_ALGOR_free(ret); -

185

return NULL;

never executed: return ((void *)0) ;

186 } -

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