crypto

Aug 12, 2018

Changes in this version

type TwofishKey

+ func (key TwofishKey) DecryptBytesInPlace(ct Ciphertext) ([]byte, error)

Jun 12, 2018

Changes in this version

type CachedMerkleTree

+ func (ct *CachedMerkleTree) PushSubTree(height int, h Hash) error

Jul 26, 2016

Changes in this version

type Hash

+ func (h *Hash) LoadString(s string) error

Jun 29, 2016

Changes in this version

+ const EntropySize

+ const TwofishOverhead

+ var ErrHashWrongLen = errors.New("encoded value has the wrong length to be a hash")

+ func GenerateKeyPair() (sk SecretKey, pk PublicKey, err error)

+ func GenerateKeyPairDeterministic(entropy [EntropySize]byte) (SecretKey, PublicKey)

+ func Perm(n int) ([]int, error)

+ func RandBytes(n int) ([]byte, error)

+ func RandIntn(n int) (int, error)

+ func ReadSignedObject(r io.Reader, obj interface{}, maxLen uint64, pk PublicKey) error

+ func SecureWipe(data []byte)

+ func WriteSignedObject(w io.Writer, obj interface{}, sk SecretKey) error

+ type CachedMerkleTree struct

+ func NewCachedTree(height uint64) *CachedMerkleTree

+ func (ct *CachedMerkleTree) Prove(base []byte, cachedHashSet []Hash) []Hash

+ func (ct *CachedMerkleTree) Push(h Hash)

+ func (ct *CachedMerkleTree) Root() (h Hash)

type Ciphertext

+ func (c *Ciphertext) UnmarshalJSON(b []byte) error

+ func (c Ciphertext) MarshalJSON() ([]byte, error)

type Hash

+ func MerkleProof(b []byte, proofIndex uint64) (base []byte, hashSet []Hash)

+ func (h *Hash) UnmarshalJSON(b []byte) error

+ func (h Hash) MarshalJSON() ([]byte, error)

+ func (h Hash) String() string

+ type MerkleTree struct

+ func (t *MerkleTree) PushObject(obj interface{})

+ func (t *MerkleTree) Root() (h Hash)

type SecretKey

+ func (sk SecretKey) PublicKey() (pk PublicKey)

Jun 7, 2015

Changes in this version

+ func CalculateLeaves(fileSize uint64) (numSegments uint64)

May 26, 2015

Changes in this version

type TwofishKey

+ func (key TwofishKey) NewCipher() cipher.Block

+ func (key TwofishKey) NewReader(r io.Reader) io.Reader

+ func (key TwofishKey) NewWriter(w io.Writer) io.Writer

May 12, 2015

Changes in this version

+ var ErrInsufficientLen = errors.New("supplied ciphertext is not long enough to contain a nonce")

+ type Ciphertext []byte

Mar 17, 2015

Changes in this version

+ const HashSize

+ const PublicKeySize

+ const SecretKeySize

+ const SegmentSize

+ const SignatureSize

+ var ErrInvalidSignature = errors.New("invalid signature")

+ var ErrNilInput = errors.New("cannot use nil input")

+ func CalculateSegments(fileSize uint64) (numSegments uint64)

+ func NewHash() hash.Hash

+ func NewTree() tree

+ func VerifyHash(data Hash, pk PublicKey, sig Signature) (err error)

+ func VerifySegment(base [SegmentSize]byte, hashSet []Hash, numSegments, proofIndex uint64, ...) bool

+ type Hash [HashSize]byte

+ func BuildReaderProof(r io.Reader, proofIndex uint64) (base [SegmentSize]byte, hashSet []Hash, err error)

+ func HashAll(objs ...interface{}) Hash

+ func HashBytes(data []byte) Hash

+ func HashObject(obj interface{}) Hash

+ func MerkleRoot(leaves [][]byte) (h Hash)

+ func ReaderMerkleRoot(r io.Reader) (h Hash, err error)

+ type HashSlice []Hash

+ func (hs HashSlice) Len() int

+ func (hs HashSlice) Less(i, j int) bool

+ func (hs HashSlice) Swap(i, j int)

type Signature

+ func SignHash(data Hash, sk SecretKey) (sig Signature, err error)

+ type TwofishKey [32]byte

+ func GenerateTwofishKey() (key TwofishKey, err error)

+ func (key TwofishKey) DecryptBytes(ciphertext []byte, iv []byte, padding int) (plaintext []byte, err error)

+ func (key TwofishKey) EncryptBytes(plaintext []byte) (ciphertext []byte, iv []byte, padding int, err error)

Jan 19, 2015

Changes in this version

+ const BlockSize

+ const KeySize

+ func DecryptBytes(key EncryptionKey, ciphertext []byte, iv []byte, padding int) (plaintext []byte, err error)

+ func EncryptBytes(key EncryptionKey, plaintext []byte) (ciphertext []byte, iv []byte, padding int, err error)

+ func GenerateSignatureKeys() (sk SecretKey, pk PublicKey, err error)

+ func VerifyBytes(data []byte, pk PublicKey, sig Signature) bool

+ type EncryptionKey [KeySize]byte

+ func GenerateEncryptionKey() (key EncryptionKey, err error)

+ type PublicKey *[ed25519.PublicKeySize]byte

+ type SecretKey *[ed25519.PrivateKeySize]byte

+ type Signature *[ed25519.SignatureSize]byte

+ func SignBytes(data []byte, sk SecretKey) (sig Signature, err error)