go-sample-webpage/vendor/github.com/lestrrat-go/jwx/jwe/internal/keyenc/interface.go

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2021-11-04 01:14:51 +00:00
package keyenc
import (
"crypto/rsa"
"hash"
"github.com/lestrrat-go/jwx/jwa"
"github.com/lestrrat-go/jwx/jwe/internal/keygen"
)
// Encrypter is an interface for things that can encrypt keys
type Encrypter interface {
Algorithm() jwa.KeyEncryptionAlgorithm
Encrypt([]byte) (keygen.ByteSource, error)
// KeyID returns the key id for this Encrypter. This exists so that
// you can pass in a Encrypter to MultiEncrypt, you can rest assured
// that the generated key will have the proper key ID.
KeyID() string
}
// Decrypter is an interface for things that can decrypt keys
type Decrypter interface {
Algorithm() jwa.KeyEncryptionAlgorithm
Decrypt([]byte) ([]byte, error)
}
type Noop struct {
alg jwa.KeyEncryptionAlgorithm
keyID string
sharedkey []byte
}
// AES encrypts content encryption keys using AES key wrap.
// Contrary to what the name implies, it also decrypt encrypted keys
type AES struct {
alg jwa.KeyEncryptionAlgorithm
keyID string
sharedkey []byte
}
// AESGCM encrypts content encryption keys using AES-GCM key wrap.
type AESGCMEncrypt struct {
algorithm jwa.KeyEncryptionAlgorithm
keyID string
sharedkey []byte
}
// ECDHESEncrypt encrypts content encryption keys using ECDH-ES.
type ECDHESEncrypt struct {
algorithm jwa.KeyEncryptionAlgorithm
keyID string
generator keygen.Generator
}
// ECDHESDecrypt decrypts keys using ECDH-ES.
type ECDHESDecrypt struct {
keyalg jwa.KeyEncryptionAlgorithm
contentalg jwa.ContentEncryptionAlgorithm
apu []byte
apv []byte
privkey interface{}
pubkey interface{}
}
// RSAOAEPEncrypt encrypts keys using RSA OAEP algorithm
type RSAOAEPEncrypt struct {
alg jwa.KeyEncryptionAlgorithm
pubkey *rsa.PublicKey
keyID string
}
// RSAOAEPDecrypt decrypts keys using RSA OAEP algorithm
type RSAOAEPDecrypt struct {
alg jwa.KeyEncryptionAlgorithm
privkey *rsa.PrivateKey
}
// RSAPKCS15Decrypt decrypts keys using RSA PKCS1v15 algorithm
type RSAPKCS15Decrypt struct {
alg jwa.KeyEncryptionAlgorithm
privkey *rsa.PrivateKey
generator keygen.Generator
}
// RSAPKCSEncrypt encrypts keys using RSA PKCS1v15 algorithm
type RSAPKCSEncrypt struct {
alg jwa.KeyEncryptionAlgorithm
pubkey *rsa.PublicKey
keyID string
}
// DirectDecrypt does no encryption (Note: Unimplemented)
type DirectDecrypt struct {
Key []byte
}
// PBES2Encrypt encrypts keys with PBES2 / PBKDF2 password
type PBES2Encrypt struct {
algorithm jwa.KeyEncryptionAlgorithm
hashFunc func() hash.Hash
keylen int
keyID string
password []byte
}