const StatementTypeUri = "https://in-toto.io/Statement/v1"

var (
	ErrIncorrectDigestLength = errors.New("digest has incorrect length")
	ErrInvalidDigestEncoding = errors.New("digest is not valid hex-encoded string")
	ErrRDRequiredField       = errors.New("at least one of name, URI, or digest are required")
)

var (
	ErrInvalidStatementType  = errors.New("wrong statement type")
	ErrSubjectRequired       = errors.New("at least one subject required")
	ErrDigestRequired        = errors.New("at least one digest required")
	ErrPredicateTypeRequired = errors.New("predicate type required")
	ErrPredicateRequired     = errors.New("predicate object required")
)

var File_in_toto_attestation_v1_resource_descriptor_proto protoreflect.FileDescriptor

var File_in_toto_attestation_v1_statement_proto protoreflect.FileDescriptor

var HashAlgorithms = map[string]HashAlgorithm{
	"md5":        AlgorithmMD5,
	"sha1":       AlgorithmSHA1,
	"sha224":     AlgorithmSHA224,
	"sha512_224": AlgorithmSHA512_224,
	"sha256":     AlgorithmSHA256,
	"sha512_256": AlgorithmSHA512_256,
	"sha384":     AlgorithmSHA384,
	"sha512":     AlgorithmSHA512,
	"sha3_224":   AlgorithmSHA3_224,
	"sha3_256":   AlgorithmSHA3_256,
	"sha3_384":   AlgorithmSHA3_384,
	"sha3_512":   AlgorithmSHA3_512,
	"gitBlob":    AlgorithmGitBlob,
	"gitCommit":  AlgorithmGitCommit,
	"gitTag":     AlgorithmGitTag,
	"gitTree":    AlgorithmGitTree,
	"dirHash":    AlgorithmDirHash,
}

type HashAlgorithm string

const (
	AlgorithmMD5        HashAlgorithm = "md5"
	AlgorithmSHA1       HashAlgorithm = "sha1"
	AlgorithmSHA224     HashAlgorithm = "sha224"
	AlgorithmSHA512_224 HashAlgorithm = "sha512_224"
	AlgorithmSHA256     HashAlgorithm = "sha256"
	AlgorithmSHA512_256 HashAlgorithm = "sha512_256"
	AlgorithmSHA384     HashAlgorithm = "sha384"
	AlgorithmSHA512     HashAlgorithm = "sha512"
	AlgorithmSHA3_224   HashAlgorithm = "sha3_224"
	AlgorithmSHA3_256   HashAlgorithm = "sha3_256"
	AlgorithmSHA3_384   HashAlgorithm = "sha3_384"
	AlgorithmSHA3_512   HashAlgorithm = "sha3_512"
	AlgorithmGitBlob    HashAlgorithm = "gitBlob"
	AlgorithmGitCommit  HashAlgorithm = "gitCommit"
	AlgorithmGitTag     HashAlgorithm = "gitTag"
	AlgorithmGitTree    HashAlgorithm = "gitTree"
	AlgorithmDirHash    HashAlgorithm = "dirHash"
)

type ResourceDescriptor struct {
	Name             string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	Uri              string            `protobuf:"bytes,2,opt,name=uri,proto3" json:"uri,omitempty"`
	Digest           map[string]string `protobuf:"bytes,3,rep,name=digest,proto3" json:"digest,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
	Content          []byte            `protobuf:"bytes,4,opt,name=content,proto3" json:"content,omitempty"`
	DownloadLocation string            `protobuf:"bytes,5,opt,name=download_location,json=downloadLocation,proto3" json:"download_location,omitempty"`
	MediaType        string            `protobuf:"bytes,6,opt,name=media_type,json=mediaType,proto3" json:"media_type,omitempty"`
	// Per the Struct protobuf spec, this type corresponds to
	// a JSON Object, which is truly a map<string, Value> under the hood.
	// So, the Struct a) is still consistent with our specification for
	// the `annotations` field, and b) has native support in some language
	// bindings making their use easier in implementations.
	// See: https://pkg.go.dev/google.golang.org/protobuf/types/known/structpb#Struct
	Annotations *structpb.Struct `protobuf:"bytes,7,opt,name=annotations,proto3" json:"annotations,omitempty"`
	// contains filtered or unexported fields
}

type Statement struct {

	// Expected to always be "https://in-toto.io/Statement/v1"
	Type          string                `protobuf:"bytes,1,opt,name=type,json=_type,proto3" json:"type,omitempty"`
	Subject       []*ResourceDescriptor `protobuf:"bytes,2,rep,name=subject,proto3" json:"subject,omitempty"`
	PredicateType string                `protobuf:"bytes,3,opt,name=predicate_type,json=predicateType,proto3" json:"predicate_type,omitempty"`
	Predicate     *structpb.Struct      `protobuf:"bytes,4,opt,name=predicate,proto3" json:"predicate,omitempty"`
	// contains filtered or unexported fields
}