mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2e3fadbf73
Implement a parser for a PKCS#7 signed-data message as described in part of RFC 2315. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
128 lines
3.4 KiB
Groff
128 lines
3.4 KiB
Groff
PKCS7ContentInfo ::= SEQUENCE {
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contentType ContentType,
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content [0] EXPLICIT SignedData OPTIONAL
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}
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ContentType ::= OBJECT IDENTIFIER ({ pkcs7_note_OID })
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SignedData ::= SEQUENCE {
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version INTEGER,
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digestAlgorithms DigestAlgorithmIdentifiers,
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contentInfo ContentInfo,
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certificates CHOICE {
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certSet [0] IMPLICIT ExtendedCertificatesAndCertificates,
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certSequence [2] IMPLICIT Certificates
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} OPTIONAL ({ pkcs7_note_certificate_list }),
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crls CHOICE {
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crlSet [1] IMPLICIT CertificateRevocationLists,
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crlSequence [3] IMPLICIT CRLSequence
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} OPTIONAL,
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signerInfos SignerInfos
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}
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ContentInfo ::= SEQUENCE {
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contentType ContentType,
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content [0] EXPLICIT Data OPTIONAL
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}
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Data ::= ANY ({ pkcs7_note_data })
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DigestAlgorithmIdentifiers ::= CHOICE {
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daSet SET OF DigestAlgorithmIdentifier,
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daSequence SEQUENCE OF DigestAlgorithmIdentifier
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}
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DigestAlgorithmIdentifier ::= SEQUENCE {
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algorithm OBJECT IDENTIFIER ({ pkcs7_note_OID }),
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parameters ANY OPTIONAL
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}
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--
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-- Certificates and certificate lists
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--
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ExtendedCertificatesAndCertificates ::= SET OF ExtendedCertificateOrCertificate
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ExtendedCertificateOrCertificate ::= CHOICE {
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certificate Certificate, -- X.509
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extendedCertificate [0] IMPLICIT ExtendedCertificate -- PKCS#6
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}
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ExtendedCertificate ::= Certificate -- cheating
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Certificates ::= SEQUENCE OF Certificate
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CertificateRevocationLists ::= SET OF CertificateList
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CertificateList ::= SEQUENCE OF Certificate -- This may be defined incorrectly
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CRLSequence ::= SEQUENCE OF CertificateList
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Certificate ::= ANY ({ pkcs7_extract_cert }) -- X.509
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--
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-- Signer information
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--
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SignerInfos ::= CHOICE {
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siSet SET OF SignerInfo,
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siSequence SEQUENCE OF SignerInfo
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}
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SignerInfo ::= SEQUENCE {
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version INTEGER,
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issuerAndSerialNumber IssuerAndSerialNumber,
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digestAlgorithm DigestAlgorithmIdentifier ({ pkcs7_sig_note_digest_algo }),
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authenticatedAttributes CHOICE {
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aaSet [0] IMPLICIT SetOfAuthenticatedAttribute
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({ pkcs7_sig_note_set_of_authattrs }),
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aaSequence [2] EXPLICIT SEQUENCE OF AuthenticatedAttribute
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-- Explicit because easier to compute digest on
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-- sequence of attributes and then reuse encoded
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-- sequence in aaSequence.
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} OPTIONAL,
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digestEncryptionAlgorithm
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DigestEncryptionAlgorithmIdentifier ({ pkcs7_sig_note_pkey_algo }),
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encryptedDigest EncryptedDigest,
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unauthenticatedAttributes CHOICE {
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uaSet [1] IMPLICIT SET OF UnauthenticatedAttribute,
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uaSequence [3] IMPLICIT SEQUENCE OF UnauthenticatedAttribute
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} OPTIONAL
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} ({ pkcs7_note_signed_info })
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IssuerAndSerialNumber ::= SEQUENCE {
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issuer Name ({ pkcs7_sig_note_issuer }),
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serialNumber CertificateSerialNumber ({ pkcs7_sig_note_serial })
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}
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CertificateSerialNumber ::= INTEGER
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SetOfAuthenticatedAttribute ::= SET OF AuthenticatedAttribute
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AuthenticatedAttribute ::= SEQUENCE {
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type OBJECT IDENTIFIER ({ pkcs7_note_OID }),
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values SET OF ANY ({ pkcs7_sig_note_authenticated_attr })
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}
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UnauthenticatedAttribute ::= SEQUENCE {
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type OBJECT IDENTIFIER ({ pkcs7_note_OID }),
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values SET OF ANY
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}
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DigestEncryptionAlgorithmIdentifier ::= SEQUENCE {
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algorithm OBJECT IDENTIFIER ({ pkcs7_note_OID }),
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parameters ANY OPTIONAL
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}
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EncryptedDigest ::= OCTET STRING ({ pkcs7_sig_note_signature })
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---
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--- X.500 Name
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---
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Name ::= SEQUENCE OF RelativeDistinguishedName
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RelativeDistinguishedName ::= SET OF AttributeValueAssertion
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AttributeValueAssertion ::= SEQUENCE {
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attributeType OBJECT IDENTIFIER ({ pkcs7_note_OID }),
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attributeValue ANY
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}
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