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 

5 

6import abc 

7import datetime 

8 

9from cryptography import utils 

10from cryptography.hazmat.bindings._rust import x509 as rust_x509 

11from cryptography.hazmat.primitives.hashes import HashAlgorithm 

12 

13 

14class LogEntryType(utils.Enum): 

15 X509_CERTIFICATE = 0 

16 PRE_CERTIFICATE = 1 

17 

18 

19class Version(utils.Enum): 

20 v1 = 0 

21 

22 

23class SignatureAlgorithm(utils.Enum): 

24 """ 

25 Signature algorithms that are valid for SCTs. 

26 

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

28 

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

30 """ 

31 

32 ANONYMOUS = 0 

33 RSA = 1 

34 DSA = 2 

35 ECDSA = 3 

36 

37 

38class SignedCertificateTimestamp(metaclass=abc.ABCMeta): 

39 @property 

40 @abc.abstractmethod 

41 def version(self) -> Version: 

42 """ 

43 Returns the SCT version. 

44 """ 

45 

46 @property 

47 @abc.abstractmethod 

48 def log_id(self) -> bytes: 

49 """ 

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

51 """ 

52 

53 @property 

54 @abc.abstractmethod 

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

56 """ 

57 Returns the timestamp for this SCT. 

58 """ 

59 

60 @property 

61 @abc.abstractmethod 

62 def entry_type(self) -> LogEntryType: 

63 """ 

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

65 """ 

66 

67 @property 

68 @abc.abstractmethod 

69 def signature_hash_algorithm(self) -> HashAlgorithm: 

70 """ 

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

72 """ 

73 

74 @property 

75 @abc.abstractmethod 

76 def signature_algorithm(self) -> SignatureAlgorithm: 

77 """ 

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

79 """ 

80 

81 @property 

82 @abc.abstractmethod 

83 def signature(self) -> bytes: 

84 """ 

85 Returns the signature for this SCT. 

86 """ 

87 

88 @property 

89 @abc.abstractmethod 

90 def extension_bytes(self) -> bytes: 

91 """ 

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

93 """ 

94 

95 

96SignedCertificateTimestamp.register(rust_x509.Sct)