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poly1305_ameth.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/poly1305/poly1305_ameth.c

Source code

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Line Source Count

1 /* -

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/evp.h> -

13 #include "internal/asn1_int.h" -

14 #include "internal/poly1305.h" -

15 #include "poly1305_local.h" -

16 #include "internal/evp_int.h" -

17 -

18 /* -

19 * POLY1305 "ASN1" method. This is just here to indicate the maximum -

20 * POLY1305 output length and to free up a POLY1305 key. -

21 */ -

22 -

23 static int poly1305_size(const EVP_PKEY *pkey) -

24 { -

return POLY1305_DIGEST_SIZE;

never executed: return 16;

26 } -

27 -

28 static void poly1305_key_free(EVP_PKEY *pkey) -

29 { -

30 ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey); -

if (os != NULL) {

os != ((void *)0)	Description
TRUE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-42

if (os->data != NULL)

os->data != ((void *)0)	Description
TRUE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-42

OPENSSL_cleanse(os->data, os->length);

executed 42 times by 1 test: OPENSSL_cleanse(os->data, os->length);

Executed by:

libcrypto.so.1.1

34 ASN1_OCTET_STRING_free(os); -

}

executed 42 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

}

executed 42 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

37 -

38 static int poly1305_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) -

39 { -

40 /* nothing, (including ASN1_PKEY_CTRL_DEFAULT_MD_NID), is supported */ -

return -2;

never executed: return -2;

42 } -

43 -

44 static int poly1305_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b) -

45 { -

return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b));

never executed: return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b));

47 } -

48 -

49 static int poly1305_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv, -

50 size_t len) -

51 { -

52 ASN1_OCTET_STRING *os; -

53 -

if (pkey->pkey.ptr != NULL || len != POLY1305_KEY_SIZE)

pkey->pkey.ptr != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1

len != 32	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1

0-42

return 0;

never executed: return 0;

56 -

57 os = ASN1_OCTET_STRING_new(); -

if (os == NULL)

os == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1

0-42

return 0;

never executed: return 0;

60 -

if (!ASN1_OCTET_STRING_set(os, priv, len)) {

!ASN1_OCTET_ST...os, priv, len)	Description
TRUE	never evaluated
FALSE	evaluated 42 times by 1 test Evaluated by: libcrypto.so.1.1

0-42

62 ASN1_OCTET_STRING_free(os); -

return 0;

never executed: return 0;

64 } -

65 -

66 pkey->pkey.ptr = os; -

return 1;

executed 42 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

68 } -

69 -

70 static int poly1305_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv, -

71 size_t *len) -

72 { -

73 ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr; -

74 -

if (priv == NULL) {

priv == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

76 *len = POLY1305_KEY_SIZE; -

return 1;

never executed: return 1;

78 } -

79 -

if (os == NULL || *len < POLY1305_KEY_SIZE)

os == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

*len < 32	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

82 -

83 memcpy(priv, ASN1_STRING_get0_data(os), ASN1_STRING_length(os)); -

84 *len = POLY1305_KEY_SIZE; -

85 -

return 1;

never executed: return 1;

87 } -

88 -

89 const EVP_PKEY_ASN1_METHOD poly1305_asn1_meth = { -

90 EVP_PKEY_POLY1305, -

91 EVP_PKEY_POLY1305, -

92 0, -

93 -

94 "POLY1305", -

95 "OpenSSL POLY1305 method", -

96 -

97 0, 0, poly1305_pkey_public_cmp, 0, -

98 -

99 0, 0, 0, -

100 -

101 poly1305_size, -

102 0, 0, -

103 0, 0, 0, 0, 0, 0, 0, -

104 -

105 poly1305_key_free, -

106 poly1305_pkey_ctrl, -

107 NULL, -

108 NULL, -

109 -

110 NULL, -

111 NULL, -

112 NULL, -

113 -

114 NULL, -

115 NULL, -

116 NULL, -

117 -

118 poly1305_set_priv_key, -

119 NULL, -

120 poly1305_get_priv_key, -

121 NULL, -

122 }; -

Source code

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