openssl/crypto/engine/tb_ecdh.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 /* crypto/engine/tb_ecdh.c */

2 /* ====================================================================

3 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.

4 *

5 * The Elliptic Curve Public-Key Crypto Library (ECC Code) included

6 * herein is developed by SUN MICROSYSTEMS, INC., and is contributed

7 * to the OpenSSL project.

8 *

9 * The ECC Code is licensed pursuant to the OpenSSL open source

10 * license provided below.

11 *

12 * The ECDH engine software is originally written by Nils Gura and

13 * Douglas Stebila of Sun Microsystems Laboratories.

14 *

15 */

16 /* ====================================================================

17 * Copyright (c) 2000-2002 The OpenSSL Project. All rights reserved.

18 *

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

20 * modification, are permitted provided that the following conditions

21 * are met:

22 *

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

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

25 *

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

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

28 * the documentation and/or other materials provided with the

29 * distribution.

30 *

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

32 * software must display the following acknowledgment:

33 * "This product includes software developed by the OpenSSL Project

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

35 *

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

37 * endorse or promote products derived from this software without

38 * prior written permission. For written permission, please contact

39 * licensing@OpenSSL.org.

40 *

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

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

43 * permission of the OpenSSL Project.

44 *

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

46 * acknowledgment:

47 * "This product includes software developed by the OpenSSL Project

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

49 *

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

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

52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

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

54 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

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

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

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

59 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

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

61 * OF THE POSSIBILITY OF SUCH DAMAGE.

62 * ====================================================================

63 *

64 * This product includes cryptographic software written by Eric Young

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

66 * Hudson (tjh@cryptsoft.com).

67 *

68 */

69

70 #include "eng_int.h"

71

72 /* If this symbol is defined then ENGINE_get_default_ECDH(), the function that i s

73 * used by ECDH to hook in implementation code and cache defaults (etc), will

74 * display brief debugging summaries to stderr with the 'nid'. */

75 /* #define ENGINE_ECDH_DEBUG */

76

77 static ENGINE_TABLE *ecdh_table = NULL;

78 static const int dummy_nid = 1;

79

80 void ENGINE_unregister_ECDH(ENGINE *e)

81 {

82 engine_table_unregister(&ecdh_table, e);

83 }

84

85 static void engine_unregister_all_ECDH(void)

86 {

87 engine_table_cleanup(&ecdh_table);

88 }

89

90 int ENGINE_register_ECDH(ENGINE *e)

91 {

92 if(e->ecdh_meth)

93 return engine_table_register(&ecdh_table,

94 engine_unregister_all_ECDH, e, &dummy_nid, 1, 0) ;

95 return 1;

96 }

97

98 void ENGINE_register_all_ECDH()

99 {

100 ENGINE *e;

101

102 for(e=ENGINE_get_first() ; e ; e=ENGINE_get_next(e))

103 ENGINE_register_ECDH(e);

104 }

105

106 int ENGINE_set_default_ECDH(ENGINE *e)

107 {

108 if(e->ecdh_meth)

109 return engine_table_register(&ecdh_table,

110 engine_unregister_all_ECDH, e, &dummy_nid, 1, 1) ;

111 return 1;

112 }

113

114 /* Exposed API function to get a functional reference from the implementation

115 * table (ie. try to get a functional reference from the tabled structural

116 * references). */

117 ENGINE *ENGINE_get_default_ECDH(void)

118 {

119 return engine_table_select(&ecdh_table, dummy_nid);

120 }

121

122 /* Obtains an ECDH implementation from an ENGINE functional reference */

123 const ECDH_METHOD ENGINE_get_ECDH(const ENGINE e)

124 {

125 return e->ecdh_meth;

126 }

127

128 /* Sets an ECDH implementation in an ENGINE structure */

129 int ENGINE_set_ECDH(ENGINE e, const ECDH_METHOD ecdh_meth)

130 {

131 e->ecdh_meth = ecdh_meth;

132 return 1;

133 }

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