keyenc

package
v1.2.4 Latest Latest
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 Go to latest Published: Jul 15, 2021 License: MIT Imports: 24 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DeriveECDHES added in v1.0.6 

func DeriveECDHES(alg, apu, apv []byte, privkey interface{}, pubkey interface{}, keysize uint32) ([]byte, error)

func DeriveZ added in v1.0.7 

func DeriveZ(privkeyif interface{}, pubkeyif interface{}) ([]byte, error)

func Unwrap 

func Unwrap(block cipher.Block, ciphertxt []byte) ([]byte, error)

func Wrap 

func Wrap(kek cipher.Block, cek []byte) ([]byte, error)

Types

type AES added in v1.0.6 

type AES struct {
	// contains filtered or unexported fields
}

AES encrypts content encryption keys using AES key wrap. Contrary to what the name implies, it also decrypt encrypted keys

func NewAES added in v1.0.6 

func NewAES(alg jwa.KeyEncryptionAlgorithm, sharedkey []byte) (*AES, error)

NewAES creates a key-wrap encrypter using AES. Although the name suggests otherwise, this does the decryption as well.

func (*AES) Algorithm added in v1.0.6 

func (kw *AES) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (*AES) Decrypt added in v1.0.6 

func (kw *AES) Decrypt(enckey []byte) ([]byte, error)

Decrypt decrypts the encrypted key using AES key unwrap

func (*AES) Encrypt added in v1.0.6 

func (kw *AES) Encrypt(cek []byte) (keygen.ByteSource, error)

KeyEncrypt encrypts the given content encryption key

func (*AES) KeyID added in v1.0.6 

func (kw *AES) KeyID() string

KeyID returns the key ID associated with this encrypter

type AESGCMEncrypt added in v1.0.6 

type AESGCMEncrypt struct {
	// contains filtered or unexported fields
}

AESGCM encrypts content encryption keys using AES-GCM key wrap.

func NewAESGCMEncrypt added in v1.0.6 

func NewAESGCMEncrypt(alg jwa.KeyEncryptionAlgorithm, sharedkey []byte) (*AESGCMEncrypt, error)

func (AESGCMEncrypt) Algorithm added in v1.0.6 

func (kw AESGCMEncrypt) Algorithm() jwa.KeyEncryptionAlgorithm

func (AESGCMEncrypt) Encrypt added in v1.0.6 

func (kw AESGCMEncrypt) Encrypt(cek []byte) (keygen.ByteSource, error)

func (AESGCMEncrypt) KeyID added in v1.0.6 

func (kw AESGCMEncrypt) KeyID() string

type Decrypter 

type Decrypter interface {
	Algorithm() jwa.KeyEncryptionAlgorithm
	Decrypt([]byte) ([]byte, error)
}

Decrypter is an interface for things that can decrypt keys

type DirectDecrypt 

type DirectDecrypt struct {
	Key []byte
}

DirectDecrypt does no encryption (Note: Unimplemented)

func (DirectDecrypt) Decrypt 

func (d DirectDecrypt) Decrypt() ([]byte, error)

Decrypt for DirectDecrypt does not do anything other than return a copy of the embedded key

type ECDHESDecrypt 

type ECDHESDecrypt struct {
	// contains filtered or unexported fields
}

ECDHESDecrypt decrypts keys using ECDH-ES.

func NewECDHESDecrypt 

func NewECDHESDecrypt(keyalg jwa.KeyEncryptionAlgorithm, contentalg jwa.ContentEncryptionAlgorithm, pubkey interface{}, apu, apv []byte, privkey interface{}) *ECDHESDecrypt

NewECDHESDecrypt creates a new key decrypter using ECDH-ES

func (ECDHESDecrypt) Algorithm 

func (kw ECDHESDecrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (ECDHESDecrypt) Decrypt 

func (kw ECDHESDecrypt) Decrypt(enckey []byte) ([]byte, error)

Decrypt decrypts the encrypted key using ECDH-ES

type ECDHESEncrypt 

type ECDHESEncrypt struct {
	// contains filtered or unexported fields
}

ECDHESEncrypt encrypts content encryption keys using ECDH-ES.

func NewECDHESEncrypt 

func NewECDHESEncrypt(alg jwa.KeyEncryptionAlgorithm, enc jwa.ContentEncryptionAlgorithm, keysize int, keyif interface{}) (*ECDHESEncrypt, error)

NewECDHESEncrypt creates a new key encrypter based on ECDH-ES

func (ECDHESEncrypt) Algorithm 

func (kw ECDHESEncrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (ECDHESEncrypt) Encrypt 

func (kw ECDHESEncrypt) Encrypt(cek []byte) (keygen.ByteSource, error)

KeyEncrypt encrypts the content encryption key using ECDH-ES

func (ECDHESEncrypt) KeyID 

func (kw ECDHESEncrypt) KeyID() string

KeyID returns the key ID associated with this encrypter

type Encrypter 

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
}

Encrypter is an interface for things that can encrypt keys

type Noop added in v1.0.6 

type Noop struct {
	// contains filtered or unexported fields
}

func NewNoop added in v1.0.6 

func NewNoop(alg jwa.KeyEncryptionAlgorithm, sharedkey []byte) (*Noop, error)

func (*Noop) Algorithm added in v1.0.6 

func (kw *Noop) Algorithm() jwa.KeyEncryptionAlgorithm

func (*Noop) Encrypt added in v1.0.6 

func (kw *Noop) Encrypt(cek []byte) (keygen.ByteSource, error)

func (*Noop) KeyID added in v1.0.6 

func (kw *Noop) KeyID() string

type PBES2Encrypt added in v1.0.6 

type PBES2Encrypt struct {
	// contains filtered or unexported fields
}

PBES2Encrypt encrypts keys with PBES2 / PBKDF2 password

func NewPBES2Encrypt added in v1.0.6 

func NewPBES2Encrypt(alg jwa.KeyEncryptionAlgorithm, password []byte) (*PBES2Encrypt, error)

func (PBES2Encrypt) Algorithm added in v1.0.6 

func (kw PBES2Encrypt) Algorithm() jwa.KeyEncryptionAlgorithm

func (PBES2Encrypt) Encrypt added in v1.0.6 

func (kw PBES2Encrypt) Encrypt(cek []byte) (keygen.ByteSource, error)

func (PBES2Encrypt) KeyID added in v1.0.6 

func (kw PBES2Encrypt) KeyID() string

type RSAOAEPDecrypt 

type RSAOAEPDecrypt struct {
	// contains filtered or unexported fields
}

RSAOAEPDecrypt decrypts keys using RSA OAEP algorithm

func NewRSAOAEPDecrypt 

func NewRSAOAEPDecrypt(alg jwa.KeyEncryptionAlgorithm, privkey *rsa.PrivateKey) (*RSAOAEPDecrypt, error)

NewRSAOAEPDecrypt creates a new key decrypter using RSA OAEP

func (RSAOAEPDecrypt) Algorithm 

func (d RSAOAEPDecrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (RSAOAEPDecrypt) Decrypt 

func (d RSAOAEPDecrypt) Decrypt(enckey []byte) ([]byte, error)

Decrypt decrypts the encrypted key using RSA OAEP

type RSAOAEPEncrypt 

type RSAOAEPEncrypt struct {
	// contains filtered or unexported fields
}

RSAOAEPEncrypt encrypts keys using RSA OAEP algorithm

func NewRSAOAEPEncrypt 

func NewRSAOAEPEncrypt(alg jwa.KeyEncryptionAlgorithm, pubkey *rsa.PublicKey) (*RSAOAEPEncrypt, error)

NewRSAOAEPEncrypt creates a new key encrypter using RSA OAEP

func (RSAOAEPEncrypt) Algorithm 

func (e RSAOAEPEncrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (RSAOAEPEncrypt) Encrypt 

func (e RSAOAEPEncrypt) Encrypt(cek []byte) (keygen.ByteSource, error)

KeyEncrypt encrypts the content encryption key using RSA OAEP

func (RSAOAEPEncrypt) KeyID 

func (e RSAOAEPEncrypt) KeyID() string

KeyID returns the key ID associated with this encrypter

type RSAPKCS15Decrypt 

type RSAPKCS15Decrypt struct {
	// contains filtered or unexported fields
}

RSAPKCS15Decrypt decrypts keys using RSA PKCS1v15 algorithm

func NewRSAPKCS15Decrypt 

func NewRSAPKCS15Decrypt(alg jwa.KeyEncryptionAlgorithm, privkey *rsa.PrivateKey, keysize int) *RSAPKCS15Decrypt

NewRSAPKCS15Decrypt creates a new decrypter using RSA PKCS1v15

func (RSAPKCS15Decrypt) Algorithm 

func (d RSAPKCS15Decrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (RSAPKCS15Decrypt) Decrypt 

func (d RSAPKCS15Decrypt) Decrypt(enckey []byte) ([]byte, error)

Decrypt decrypts the encrypted key using RSA PKCS1v1.5

type RSAPKCSEncrypt 

type RSAPKCSEncrypt struct {
	// contains filtered or unexported fields
}

RSAPKCSEncrypt encrypts keys using RSA PKCS1v15 algorithm

func NewRSAPKCSEncrypt 

func NewRSAPKCSEncrypt(alg jwa.KeyEncryptionAlgorithm, pubkey *rsa.PublicKey) (*RSAPKCSEncrypt, error)

NewRSAPKCSEncrypt creates a new key encrypter using PKCS1v15

func (RSAPKCSEncrypt) Algorithm 

func (e RSAPKCSEncrypt) Algorithm() jwa.KeyEncryptionAlgorithm

Algorithm returns the key encryption algorithm being used

func (RSAPKCSEncrypt) Encrypt 

func (e RSAPKCSEncrypt) Encrypt(cek []byte) (keygen.ByteSource, error)

KeyEncrypt encrypts the content encryption key using RSA PKCS1v15

func (RSAPKCSEncrypt) KeyID 

func (e RSAPKCSEncrypt) KeyID() string

KeyID returns the key ID associated with this encrypter

Source Files

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