OpenCoverage

siphash_ameth.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/siphash/siphash_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/siphash.h" -

15 #include "siphash_local.h" -

16 #include "internal/evp_int.h" -

17 -

18 /* -

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

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

21 */ -

22 -

23 static int siphash_size(const EVP_PKEY *pkey) -

24 { -

return SIPHASH_MAX_DIGEST_SIZE;

never executed: return 16;

26 } -

27 -

28 static void siphash_key_free(EVP_PKEY *pkey) -

29 { -

30 ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey); -

31 -

if (os != NULL) {

os != ((void *)0)	Description
TRUE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-26

if (os->data != NULL)

os->data != ((void *)0)	Description
TRUE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-26

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

executed 26 times by 1 test: OPENSSL_cleanse(os->data, os->length);

Executed by:

libcrypto.so.1.1

35 ASN1_OCTET_STRING_free(os); -

}

executed 26 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

}

executed 26 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

38 -

39 static int siphash_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) -

40 { -

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

return -2;

never executed: return -2;

43 } -

44 -

45 static int siphash_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b) -

46 { -

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));

48 } -

49 -

50 static int siphash_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv, -

51 size_t len) -

52 { -

53 ASN1_OCTET_STRING *os; -

54 -

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

pkey->pkey.ptr != ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1

len != 16	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1

0-26

return 0;

never executed: return 0;

57 -

58 os = ASN1_OCTET_STRING_new(); -

if (os == NULL)

os == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1

0-26

return 0;

never executed: return 0;

61 -

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

!ASN1_OCTET_ST...os, priv, len)	Description
TRUE	never evaluated
FALSE	evaluated 26 times by 1 test Evaluated by: libcrypto.so.1.1

0-26

63 ASN1_OCTET_STRING_free(os); -

return 0;

never executed: return 0;

65 } -

66 -

67 pkey->pkey.ptr = os; -

return 1;

executed 26 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

69 } -

70 -

71 static int siphash_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv, -

72 size_t *len) -

73 { -

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

75 -

if (priv == NULL) {

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

77 *len = SIPHASH_KEY_SIZE; -

return 1;

never executed: return 1;

79 } -

80 -

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

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

*len < 16	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

83 -

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

85 *len = SIPHASH_KEY_SIZE; -

86 -

return 1;

never executed: return 1;

88 } -

89 -

90 const EVP_PKEY_ASN1_METHOD siphash_asn1_meth = { -

91 EVP_PKEY_SIPHASH, -

92 EVP_PKEY_SIPHASH, -

93 0, -

94 -

95 "SIPHASH", -

96 "OpenSSL SIPHASH method", -

97 -

98 0, 0, siphash_pkey_public_cmp, 0, -

99 -

100 0, 0, 0, -

101 -

102 siphash_size, -

103 0, 0, -

104 0, 0, 0, 0, 0, 0, 0, -

105 -

106 siphash_key_free, -

107 siphash_pkey_ctrl, -

108 NULL, -

109 NULL, -

110 -

111 NULL, -

112 NULL, -

113 NULL, -

114 -

115 NULL, -

116 NULL, -

117 NULL, -

118 -

119 siphash_set_priv_key, -

120 NULL, -

121 siphash_get_priv_key, -

122 NULL, -

123 }; -

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