pkcs7

type AlgorithmIdentifier struct {
	Algorithm  asn1.ObjectIdentifier
	Parameters asn1.RawValue
}

type Attribute struct {
	Type   asn1.ObjectIdentifier
	Values []interface{} `asn1:"set"`
}

type Attributes []Attribute

type ContentInfo struct {
	ContentType asn1.ObjectIdentifier
	Content     asn1.RawValue `asn1:"optional"`
}

type IssuerAndSerialNumber struct {
	Issuer       asn1.RawValue
	SerialNumber *big.Int
}

type SignedData struct {
	Version          int
	DigestAlgorithms []AlgorithmIdentifier `asn1:"set"`
	ContentInfo      ContentInfo
	Certificates     asn1.RawValue `asn1:"optional"`
	Crls             asn1.RawValue `asn1:"optional"`
	SignerInfos      []SignerInfo  `asn1:"set"`
}

type SignedDataWrapper struct {
	Oid        asn1.ObjectIdentifier
	SignedData asn1.RawValue
}

type SignerInfo struct {
	Version                   int
	SignedIdentifier          IssuerAndSerialNumber
	DigestAlgorithm           AlgorithmIdentifier
	AuthenticatedAttributes   Attributes `asn1:"tag:0"`
	DigestEncryptionAlgorithm AlgorithmIdentifier
	EncryptedDigest           []byte
	UnauthenticatedAttributes int `asn1:"optional"`
}