3 3
// to PKCS #7 format from another encoding such as PEM conforms to this implementation.
4 4
// reference: https://www.openssl.org/docs/man1.1.0/apps/crl2pkcs7.html
5 5
//
6 -
// PKCS #7 Data type, reference: https://tools.ietf.org/html/rfc2315
6 +
// PKCS #7 Data type, reference: https://tools.ietf.org/html/rfc2315
7 7
//
8 8
// The full pkcs#7 cryptographic message syntax allows for cryptographic enhancements,
9 9
// for example data can be encrypted and signed and then packaged through pkcs#7 to be
10 10
// sent over a network and then verified and decrypted. It is asn1, and the type of
11 11
// PKCS #7 ContentInfo, which comprises the PKCS #7 structure, is:
12 12
//
13 -
// ContentInfo ::= SEQUENCE {
14 -
// contentType ContentType,
15 -
// content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL
16 -
// }
13 +
// ContentInfo ::= SEQUENCE {
14 +
// contentType ContentType,
15 +
// content [0] EXPLICIT ANY DEFINED BY contentType OPTIONAL
16 +
// }
17 17
//
18 18
// There are 6 possible ContentTypes, data, signedData, envelopedData,
19 19
// signedAndEnvelopedData, digestedData, and encryptedData. Here signedData, Data, and encrypted
22 22
// formats.
23 23
// The ContentType signedData has the form:
24 24
//
25 -
//
26 -
// signedData ::= SEQUENCE {
27 -
// version Version,
28 -
// digestAlgorithms DigestAlgorithmIdentifiers,
29 -
// contentInfo ContentInfo,
30 -
// certificates [0] IMPLICIT ExtendedCertificatesAndCertificates OPTIONAL
31 -
// crls [1] IMPLICIT CertificateRevocationLists OPTIONAL,
32 -
// signerInfos SignerInfos
33 -
// }
25 +
// signedData ::= SEQUENCE {
26 +
// version Version,
27 +
// digestAlgorithms DigestAlgorithmIdentifiers,
28 +
// contentInfo ContentInfo,
29 +
// certificates [0] IMPLICIT ExtendedCertificatesAndCertificates OPTIONAL
30 +
// crls [1] IMPLICIT CertificateRevocationLists OPTIONAL,
31 +
// signerInfos SignerInfos
32 +
// }
34 33
//
35 34
// As of yet signerInfos and digestAlgorithms are not parsed, as they are not relevant to
36 35
// this system's use of PKCS #7 data. Version is an integer type, note that PKCS #7 is
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