Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/cryptography/x509/certificate_transparency.py: 100%

1# This file is dual licensed under the terms of the Apache License, Version 

2# 2.0, and the BSD License. See the LICENSE file in the root of this repository 

3# for complete details. 

4 

5from __future__ import annotations 

6 

7import abc 

8import datetime 

9 

10from cryptography import utils 

11from cryptography.hazmat.bindings._rust import x509 as rust_x509 

12from cryptography.hazmat.primitives.hashes import HashAlgorithm 

13 

14 

15class LogEntryType(utils.Enum): 

16 X509_CERTIFICATE = 0 

17 PRE_CERTIFICATE = 1 

18 

19 

20class Version(utils.Enum): 

21 v1 = 0 

22 

23 

24class SignatureAlgorithm(utils.Enum): 

25 """ 

26 Signature algorithms that are valid for SCTs. 

27 

28 These are exactly the same as SignatureAlgorithm in RFC 5246 (TLS 1.2). 

29 

30 See: <https://datatracker.ietf.org/doc/html/rfc5246#section-7.4.1.4.1> 

31 """ 

32 

33 ANONYMOUS = 0 

34 RSA = 1 

35 DSA = 2 

36 ECDSA = 3 

37 

38 

39class SignedCertificateTimestamp(metaclass=abc.ABCMeta): 

40 @property 

41 @abc.abstractmethod 

42 def version(self) -> Version: 

43 """ 

44 Returns the SCT version. 

45 """ 

46 

47 @property 

48 @abc.abstractmethod 

49 def log_id(self) -> bytes: 

50 """ 

51 Returns an identifier indicating which log this SCT is for. 

52 """ 

53 

54 @property 

55 @abc.abstractmethod 

56 def timestamp(self) -> datetime.datetime: 

57 """ 

58 Returns the timestamp for this SCT. 

59 """ 

60 

61 @property 

62 @abc.abstractmethod 

63 def entry_type(self) -> LogEntryType: 

64 """ 

65 Returns whether this is an SCT for a certificate or pre-certificate. 

66 """ 

67 

68 @property 

69 @abc.abstractmethod 

70 def signature_hash_algorithm(self) -> HashAlgorithm: 

71 """ 

72 Returns the hash algorithm used for the SCT's signature. 

73 """ 

74 

75 @property 

76 @abc.abstractmethod 

77 def signature_algorithm(self) -> SignatureAlgorithm: 

78 """ 

79 Returns the signing algorithm used for the SCT's signature. 

80 """ 

81 

82 @property 

83 @abc.abstractmethod 

84 def signature(self) -> bytes: 

85 """ 

86 Returns the signature for this SCT. 

87 """ 

88 

89 @property 

90 @abc.abstractmethod 

91 def extension_bytes(self) -> bytes: 

92 """ 

93 Returns the raw bytes of any extensions for this SCT. 

94 """ 

95 

96 

97SignedCertificateTimestamp.register(rust_x509.Sct)