openssl/crypto/asn1/p5_pbe.c - Issue 2072073002: Delete bundled copy of OpenSSL and replace with README.

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Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master

Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago

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1 /* p5_pbe.c */

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

3 * project 1999.

4 */

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

6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.

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 "cryptlib.h"

61 #include <openssl/asn1t.h>

62 #include <openssl/x509.h>

63 #include <openssl/rand.h>

64

65 /* PKCS#5 password based encryption structure */

66

67 ASN1_SEQUENCE(PBEPARAM) = {

68 ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),

69 ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)

70 } ASN1_SEQUENCE_END(PBEPARAM)

71

72 IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)

73

74

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

76

77 int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,

78 const unsigned char *salt, int saltlen)

79 {

80 PBEPARAM *pbe=NULL;

81 ASN1_STRING *pbe_str=NULL;

82 unsigned char *sstr;

83

84 pbe = PBEPARAM_new();

85 if (!pbe)

86 {

87 ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);

88 goto err;

89 }

90 if(iter <= 0)

91 iter = PKCS5_DEFAULT_ITER;

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

93 {

94 ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);

95 goto err;

96 }

97 if (!saltlen)

98 saltlen = PKCS5_SALT_LEN;

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

100 {

101 ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);

102 goto err;

103 }

104 sstr = ASN1_STRING_data(pbe->salt);

105 if (salt)

106 memcpy(sstr, salt, saltlen);

107 else if (RAND_pseudo_bytes(sstr, saltlen) < 0)

108 goto err;

109

110 if(!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str))

111 {

112 ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);

113 goto err;

114 }

115

116 PBEPARAM_free(pbe);

117 pbe = NULL;

118

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

120 return 1;

121

122 err:

123 if (pbe != NULL)

124 PBEPARAM_free(pbe);

125 if (pbe_str != NULL)

126 ASN1_STRING_free(pbe_str);

127 return 0;

128 }

129

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

131

132 X509_ALGOR *PKCS5_pbe_set(int alg, int iter,

133 const unsigned char *salt, int saltlen)

134 {

135 X509_ALGOR *ret;

136 ret = X509_ALGOR_new();

137 if (!ret)

138 {

139 ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);

140 return NULL;

141 }

142

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

144 return ret;

145

146 X509_ALGOR_free(ret);

147 return NULL;

148 }

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