rpkimancer.cms module

Classes implementing CMS ASN.1 types.

class rpkimancer.cms.ContentInfo(content)

Bases: Interface, Generic[CT]

CMS ASN.1 ContentInfo type - RFC5911.

Parameters:

content (CT) –

content_syntax: ASN1Obj = <ContentInfo (SEQUENCE)>

classmethod register_econtent_type(content_type, econtent_type)

Add CONTENT-TYPE instance to eContentType constraint set.

Parameters:

• content_type (Type[CT]) –

• econtent_type (Type[ECT]) –

Return type:

None

class rpkimancer.cms.ContentTypeIdDescriptor

Bases: object

Data descriptor for ‘content_type’ class property.

class rpkimancer.cms.ContentTypeSyntaxDescriptor

Bases: object

Data descriptor for ‘content_syntax’ class property.

class rpkimancer.cms.ContentType(data)

Bases: Interface

CMS ASN.1 CONTENT-TYPE instance - RFC5911.

Parameters:

data (Any) –

asn1_definition: CLASS

content_type

Data descriptor for ‘content_type’ class property.

content_syntax: ASN1Obj

Data descriptor for ‘content_syntax’ class property.

class rpkimancer.cms.SignedData(data)

Bases: ContentType

CMS ASN.1 ct-SignedData CONTENT-TYPE instance - RFC5911.

Parameters:

data (Any) –

asn1_definition: CLASS = <ct-SignedData ([CONTENT-TYPE] CLASS): {'Type': <Type ([SignedData] SEQUENCE)>, 'id': (1, 2, 840, 113549, 1, 7, 2)}>

class rpkimancer.cms.SignedAttributes(content_type, message_digest)

Bases: Interface

CMS ASN.1 SignedAttributes type - RFC5911.

Parameters:

• content_type (OID) –

• message_digest (bytes) –

content_syntax: ASN1Obj = <SignedAttributes ([Attributes] SET OF)>

class rpkimancer.cms.EncapsulatedContentInfo(econtent)

Bases: Interface, Generic[CT]

CMS ASN.1 EncapsulatedContentInfo type - RFC5911.

Parameters:

econtent (CT) –

content_syntax: ASN1Obj = <EncapsulatedContentInfo (SEQUENCE)>

digest_algorithm: DigestAlgorithm

classmethod from_content_info(content_info)

De-encapsulate from ContentInfo instance.

Parameters:

content_info (ContentInfo[SignedData]) –

Return type:

EncapsulatedContentInfo[CT]

property econtent_val: Any

Extract the eContent value.