NewSignedData initializes a SignedData with content.

Attribute represents a key value pair attribute.

MessageDigestMismatchError is returned when the signer data digest does not match the computed digest for the contained content.

PKCS7 Represents a PKCS7 structure.

SignedData is an opaque data structure for creating signed data payloads.

SignerInfoConfig are optional values to include when adding a signer.