crypto

package
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 Go to latest Published: May 31, 2017 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Overview

Cryptographic packages for Kerberos 5 implementation.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func DecryptEncPart 

func DecryptEncPart(ed types.EncryptedData, key types.EncryptionKey, usage uint32) ([]byte, error)

func DecryptMessage 

func DecryptMessage(ciphertext []byte, key types.EncryptionKey, usage uint32) ([]byte, error)

func GetChksumEtype 

func GetChksumEtype(id int) (etype.EType, error)

func GetEncryptedData 

func GetEncryptedData(plainBytes []byte, key types.EncryptionKey, usage uint32, kvno int) (types.EncryptedData, error)

Pass a usage value of zero to use the key provided directly rather than deriving one

func GetEtype 

func GetEtype(id int) (etype.EType, error)

func GetKeyFromPassword 

func GetKeyFromPassword(passwd string, cname types.PrincipalName, realm string, etypeID int, pas types.PADataSequence) (types.EncryptionKey, etype.EType, error)

Types

type Aes128CtsHmacSha256128 

type Aes128CtsHmacSha256128 struct {
}

func (Aes128CtsHmacSha256128) DecryptData 

func (e Aes128CtsHmacSha256128) DecryptData(key, data []byte) ([]byte, error)

func (Aes128CtsHmacSha256128) DecryptMessage 

func (e Aes128CtsHmacSha256128) DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error)

func (Aes128CtsHmacSha256128) DeriveKey 

func (e Aes128CtsHmacSha256128) DeriveKey(protocolKey, usage []byte) ([]byte, error)

func (Aes128CtsHmacSha256128) DeriveRandom 

func (e Aes128CtsHmacSha256128) DeriveRandom(protocolKey, usage []byte) ([]byte, error)

func (Aes128CtsHmacSha256128) EncryptData 

func (e Aes128CtsHmacSha256128) EncryptData(key, data []byte) ([]byte, []byte, error)

func (Aes128CtsHmacSha256128) EncryptMessage 

func (e Aes128CtsHmacSha256128) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)

func (Aes128CtsHmacSha256128) GetChecksumHash 

func (e Aes128CtsHmacSha256128) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)

func (Aes128CtsHmacSha256128) GetConfounderByteSize 

func (e Aes128CtsHmacSha256128) GetConfounderByteSize() int

func (Aes128CtsHmacSha256128) GetCypherBlockBitLength 

func (e Aes128CtsHmacSha256128) GetCypherBlockBitLength() int

func (Aes128CtsHmacSha256128) GetDefaultStringToKeyParams 

func (e Aes128CtsHmacSha256128) GetDefaultStringToKeyParams() string

func (Aes128CtsHmacSha256128) GetETypeID 

func (e Aes128CtsHmacSha256128) GetETypeID() int

func (Aes128CtsHmacSha256128) GetHMACBitLength 

func (e Aes128CtsHmacSha256128) GetHMACBitLength() int

func (Aes128CtsHmacSha256128) GetHashFunc 

func (e Aes128CtsHmacSha256128) GetHashFunc() func() hash.Hash

func (Aes128CtsHmacSha256128) GetHashID 

func (e Aes128CtsHmacSha256128) GetHashID() int

func (Aes128CtsHmacSha256128) GetKeyByteSize 

func (e Aes128CtsHmacSha256128) GetKeyByteSize() int

func (Aes128CtsHmacSha256128) GetKeySeedBitLength 

func (e Aes128CtsHmacSha256128) GetKeySeedBitLength() int

func (Aes128CtsHmacSha256128) GetMessageBlockByteSize 

func (e Aes128CtsHmacSha256128) GetMessageBlockByteSize() int

func (Aes128CtsHmacSha256128) RandomToKey 

func (e Aes128CtsHmacSha256128) RandomToKey(b []byte) []byte

func (Aes128CtsHmacSha256128) StringToKey 

func (e Aes128CtsHmacSha256128) StringToKey(secret string, salt string, s2kparams string) ([]byte, error)

func (Aes128CtsHmacSha256128) VerifyChecksum 

func (e Aes128CtsHmacSha256128) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool

func (Aes128CtsHmacSha256128) VerifyIntegrity 

func (e Aes128CtsHmacSha256128) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool

The HMAC is calculated over the cipher state concatenated with the AES output, instead of being calculated over the confounder and plaintext. This allows the message receiver to verify the integrity of the message before decrypting the message. Therefore the pt value to this interface method is not use. Pass any []byte.

type Aes128CtsHmacSha96 

type Aes128CtsHmacSha96 struct {
}

func (Aes128CtsHmacSha96) DecryptData 

func (e Aes128CtsHmacSha96) DecryptData(key, data []byte) ([]byte, error)

func (Aes128CtsHmacSha96) DecryptMessage 

func (e Aes128CtsHmacSha96) DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error)

func (Aes128CtsHmacSha96) DeriveKey 

func (e Aes128CtsHmacSha96) DeriveKey(protocolKey, usage []byte) ([]byte, error)

func (Aes128CtsHmacSha96) DeriveRandom 

func (e Aes128CtsHmacSha96) DeriveRandom(protocolKey, usage []byte) ([]byte, error)

func (Aes128CtsHmacSha96) EncryptData 

func (e Aes128CtsHmacSha96) EncryptData(key, data []byte) ([]byte, []byte, error)

func (Aes128CtsHmacSha96) EncryptMessage 

func (e Aes128CtsHmacSha96) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)

func (Aes128CtsHmacSha96) GetChecksumHash 

func (e Aes128CtsHmacSha96) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)

func (Aes128CtsHmacSha96) GetConfounderByteSize 

func (e Aes128CtsHmacSha96) GetConfounderByteSize() int

func (Aes128CtsHmacSha96) GetCypherBlockBitLength 

func (e Aes128CtsHmacSha96) GetCypherBlockBitLength() int

func (Aes128CtsHmacSha96) GetDefaultStringToKeyParams 

func (e Aes128CtsHmacSha96) GetDefaultStringToKeyParams() string

func (Aes128CtsHmacSha96) GetETypeID 

func (e Aes128CtsHmacSha96) GetETypeID() int

func (Aes128CtsHmacSha96) GetHMACBitLength 

func (e Aes128CtsHmacSha96) GetHMACBitLength() int

func (Aes128CtsHmacSha96) GetHashFunc 

func (e Aes128CtsHmacSha96) GetHashFunc() func() hash.Hash

func (Aes128CtsHmacSha96) GetHashID 

func (e Aes128CtsHmacSha96) GetHashID() int

func (Aes128CtsHmacSha96) GetKeyByteSize 

func (e Aes128CtsHmacSha96) GetKeyByteSize() int

func (Aes128CtsHmacSha96) GetKeySeedBitLength 

func (e Aes128CtsHmacSha96) GetKeySeedBitLength() int

func (Aes128CtsHmacSha96) GetMessageBlockByteSize 

func (e Aes128CtsHmacSha96) GetMessageBlockByteSize() int

func (Aes128CtsHmacSha96) RandomToKey 

func (e Aes128CtsHmacSha96) RandomToKey(b []byte) []byte

func (Aes128CtsHmacSha96) StringToKey 

func (e Aes128CtsHmacSha96) StringToKey(secret string, salt string, s2kparams string) ([]byte, error)

func (Aes128CtsHmacSha96) VerifyChecksum 

func (e Aes128CtsHmacSha96) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool

func (Aes128CtsHmacSha96) VerifyIntegrity 

func (e Aes128CtsHmacSha96) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool

type Aes256CtsHmacSha384192 

type Aes256CtsHmacSha384192 struct {
}

func (Aes256CtsHmacSha384192) DecryptData 

func (e Aes256CtsHmacSha384192) DecryptData(key, data []byte) ([]byte, error)

func (Aes256CtsHmacSha384192) DecryptMessage 

func (e Aes256CtsHmacSha384192) DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error)

func (Aes256CtsHmacSha384192) DeriveKey 

func (e Aes256CtsHmacSha384192) DeriveKey(protocolKey, usage []byte) ([]byte, error)

func (Aes256CtsHmacSha384192) DeriveRandom 

func (e Aes256CtsHmacSha384192) DeriveRandom(protocolKey, usage []byte) ([]byte, error)

func (Aes256CtsHmacSha384192) EncryptData 

func (e Aes256CtsHmacSha384192) EncryptData(key, data []byte) ([]byte, []byte, error)

func (Aes256CtsHmacSha384192) EncryptMessage 

func (e Aes256CtsHmacSha384192) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)

func (Aes256CtsHmacSha384192) GetChecksumHash 

func (e Aes256CtsHmacSha384192) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)

func (Aes256CtsHmacSha384192) GetConfounderByteSize 

func (e Aes256CtsHmacSha384192) GetConfounderByteSize() int

func (Aes256CtsHmacSha384192) GetCypherBlockBitLength 

func (e Aes256CtsHmacSha384192) GetCypherBlockBitLength() int

func (Aes256CtsHmacSha384192) GetDefaultStringToKeyParams 

func (e Aes256CtsHmacSha384192) GetDefaultStringToKeyParams() string

func (Aes256CtsHmacSha384192) GetETypeID 

func (e Aes256CtsHmacSha384192) GetETypeID() int

func (Aes256CtsHmacSha384192) GetHMACBitLength 

func (e Aes256CtsHmacSha384192) GetHMACBitLength() int

func (Aes256CtsHmacSha384192) GetHashFunc 

func (e Aes256CtsHmacSha384192) GetHashFunc() func() hash.Hash

func (Aes256CtsHmacSha384192) GetHashID 

func (e Aes256CtsHmacSha384192) GetHashID() int

func (Aes256CtsHmacSha384192) GetKeyByteSize 

func (e Aes256CtsHmacSha384192) GetKeyByteSize() int

func (Aes256CtsHmacSha384192) GetKeySeedBitLength 

func (e Aes256CtsHmacSha384192) GetKeySeedBitLength() int

func (Aes256CtsHmacSha384192) GetMessageBlockByteSize 

func (e Aes256CtsHmacSha384192) GetMessageBlockByteSize() int

func (Aes256CtsHmacSha384192) RandomToKey 

func (e Aes256CtsHmacSha384192) RandomToKey(b []byte) []byte

func (Aes256CtsHmacSha384192) StringToKey 

func (e Aes256CtsHmacSha384192) StringToKey(secret string, salt string, s2kparams string) ([]byte, error)

func (Aes256CtsHmacSha384192) VerifyChecksum 

func (e Aes256CtsHmacSha384192) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool

func (Aes256CtsHmacSha384192) VerifyIntegrity 

func (e Aes256CtsHmacSha384192) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool

The HMAC is calculated over the cipher state concatenated with the AES output, instead of being calculated over the confounder and plaintext. This allows the message receiver to verify the integrity of the message before decrypting the message. Therefore the pt value to this interface method is not use. Pass any []byte.

type Aes256CtsHmacSha96 

type Aes256CtsHmacSha96 struct {
}

func (Aes256CtsHmacSha96) DecryptData 

func (e Aes256CtsHmacSha96) DecryptData(key, data []byte) ([]byte, error)

func (Aes256CtsHmacSha96) DecryptMessage 

func (e Aes256CtsHmacSha96) DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error)

func (Aes256CtsHmacSha96) DeriveKey 

func (e Aes256CtsHmacSha96) DeriveKey(protocolKey, usage []byte) ([]byte, error)

func (Aes256CtsHmacSha96) DeriveRandom 

func (e Aes256CtsHmacSha96) DeriveRandom(protocolKey, usage []byte) ([]byte, error)

func (Aes256CtsHmacSha96) EncryptData 

func (e Aes256CtsHmacSha96) EncryptData(key, data []byte) ([]byte, []byte, error)

func (Aes256CtsHmacSha96) EncryptMessage 

func (e Aes256CtsHmacSha96) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)

func (Aes256CtsHmacSha96) GetChecksumHash 

func (e Aes256CtsHmacSha96) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)

func (Aes256CtsHmacSha96) GetConfounderByteSize 

func (e Aes256CtsHmacSha96) GetConfounderByteSize() int

func (Aes256CtsHmacSha96) GetCypherBlockBitLength 

func (e Aes256CtsHmacSha96) GetCypherBlockBitLength() int

func (Aes256CtsHmacSha96) GetDefaultStringToKeyParams 

func (e Aes256CtsHmacSha96) GetDefaultStringToKeyParams() string

func (Aes256CtsHmacSha96) GetETypeID 

func (e Aes256CtsHmacSha96) GetETypeID() int

func (Aes256CtsHmacSha96) GetHMACBitLength 

func (e Aes256CtsHmacSha96) GetHMACBitLength() int

func (Aes256CtsHmacSha96) GetHashFunc 

func (e Aes256CtsHmacSha96) GetHashFunc() func() hash.Hash

func (Aes256CtsHmacSha96) GetHashID 

func (e Aes256CtsHmacSha96) GetHashID() int

func (Aes256CtsHmacSha96) GetKeyByteSize 

func (e Aes256CtsHmacSha96) GetKeyByteSize() int

func (Aes256CtsHmacSha96) GetKeySeedBitLength 

func (e Aes256CtsHmacSha96) GetKeySeedBitLength() int

func (Aes256CtsHmacSha96) GetMessageBlockByteSize 

func (e Aes256CtsHmacSha96) GetMessageBlockByteSize() int

func (Aes256CtsHmacSha96) RandomToKey 

func (e Aes256CtsHmacSha96) RandomToKey(b []byte) []byte

func (Aes256CtsHmacSha96) StringToKey 

func (e Aes256CtsHmacSha96) StringToKey(secret string, salt string, s2kparams string) ([]byte, error)

func (Aes256CtsHmacSha96) VerifyChecksum 

func (e Aes256CtsHmacSha96) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool

func (Aes256CtsHmacSha96) VerifyIntegrity 

func (e Aes256CtsHmacSha96) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool

type Des3CbcSha1Kd 

type Des3CbcSha1Kd struct {
}

func (Des3CbcSha1Kd) DecryptData 

func (e Des3CbcSha1Kd) DecryptData(key, data []byte) ([]byte, error)

func (Des3CbcSha1Kd) DecryptMessage 

func (e Des3CbcSha1Kd) DecryptMessage(key, ciphertext []byte, usage uint32) (message []byte, err error)

func (Des3CbcSha1Kd) DeriveKey 

func (e Des3CbcSha1Kd) DeriveKey(protocolKey, usage []byte) ([]byte, error)

func (Des3CbcSha1Kd) DeriveRandom 

func (e Des3CbcSha1Kd) DeriveRandom(protocolKey, usage []byte) ([]byte, error)

func (Des3CbcSha1Kd) EncryptData 

func (e Des3CbcSha1Kd) EncryptData(key, data []byte) ([]byte, []byte, error)

func (Des3CbcSha1Kd) EncryptMessage 

func (e Des3CbcSha1Kd) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error)

func (Des3CbcSha1Kd) GetChecksumHash 

func (e Des3CbcSha1Kd) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error)

func (Des3CbcSha1Kd) GetConfounderByteSize 

func (e Des3CbcSha1Kd) GetConfounderByteSize() int

func (Des3CbcSha1Kd) GetCypherBlockBitLength 

func (e Des3CbcSha1Kd) GetCypherBlockBitLength() int

func (Des3CbcSha1Kd) GetDefaultStringToKeyParams 

func (e Des3CbcSha1Kd) GetDefaultStringToKeyParams() string

func (Des3CbcSha1Kd) GetETypeID 

func (e Des3CbcSha1Kd) GetETypeID() int

func (Des3CbcSha1Kd) GetHMACBitLength 

func (e Des3CbcSha1Kd) GetHMACBitLength() int

func (Des3CbcSha1Kd) GetHashFunc 

func (e Des3CbcSha1Kd) GetHashFunc() func() hash.Hash

func (Des3CbcSha1Kd) GetHashID 

func (e Des3CbcSha1Kd) GetHashID() int

func (Des3CbcSha1Kd) GetKeyByteSize 

func (e Des3CbcSha1Kd) GetKeyByteSize() int

func (Des3CbcSha1Kd) GetKeySeedBitLength 

func (e Des3CbcSha1Kd) GetKeySeedBitLength() int

func (Des3CbcSha1Kd) GetMessageBlockByteSize 

func (e Des3CbcSha1Kd) GetMessageBlockByteSize() int

func (Des3CbcSha1Kd) RandomToKey 

func (e Des3CbcSha1Kd) RandomToKey(b []byte) []byte

func (Des3CbcSha1Kd) StringToKey 

func (e Des3CbcSha1Kd) StringToKey(secret string, salt string, s2kparams string) ([]byte, error)

func (Des3CbcSha1Kd) VerifyChecksum 

func (e Des3CbcSha1Kd) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool

func (Des3CbcSha1Kd) VerifyIntegrity 

func (e Des3CbcSha1Kd) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool

Source Files

View all Source files

Directories

Path Synopsis
AES CipherText Stealing encryption and decryption methods
 AES CipherText Stealing encryption and decryption methods
Encryption methods common across encryption types
 Encryption methods common across encryption types
The Kerberos Encryption Type interface
 The Kerberos Encryption Type interface
Encryption and checksum methods as specified in RFC 3961
 Encryption and checksum methods as specified in RFC 3961
Encryption and checksum methods as specified in RFC 8009
 Encryption and checksum methods as specified in RFC 8009

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