crypto

Apr 30, 2021

Changes in this version

+ func ParseCrossChainScriptV1(code []byte) ([][]byte, int, int, error)

May 22, 2020

Changes in this version

+ const MaxMultiSignCodeLength

+ const MaxSignatureScriptLength

Jun 2, 2019

Changes in this version

+ var DefaultCurve = elliptic.P256()

+ var DefaultParams = DefaultCurve.Params()

+ func Decrypt(privateKey, cipher []byte) (m []byte, err error)

+ func Encrypt(publicKey *PublicKey, message []byte) (ct []byte, err error)

Feb 19, 2019

Changes in this version

+ const MinMultiSignCodeLength

+ const NegativeBigLength

+ const PUSH1

+ const PublicKeyScriptLength

+ const SignatureLength

+ const SignatureScriptLength

+ const SignerLength

+ func AesDecrypt(cipherText []byte, key []byte, iv []byte) ([]byte, error)

+ func AesEncrypt(plaintext []byte, key []byte, iv []byte) ([]byte, error)

+ func AppendSignature(signerIndex int, signature, data, code, param []byte) ([]byte, error)

+ func ComputeParent(left Uint256, right Uint256) Uint256

+ func CreateCrossChainRedeemScript(genesisHash Uint256) []byte

+ func CreateMultiSignRedeemScript(M uint, publicKeys []*PublicKey) ([]byte, error)

+ func Equal(e1 *PublicKey, e2 *PublicKey) bool

+ func GetM(code []byte) (uint, error)

+ func GetScriptType(script []byte) (byte, error)

+ func GetSignStatus(code, param []byte) (haveSign, needSign int, err error)

+ func ParseCrossChainScript(code []byte) ([][]byte, error)

+ func ParseMultisigScript(code []byte) ([][]byte, error)

+ func Sign(priKey []byte, data []byte) ([]byte, error)

+ func SortPublicKeys(publicKeys []*PublicKey)

+ func ToAesKey(pwd []byte) []byte

+ type PublicKey struct

+ X *big.Int

+ Y *big.Int

+ func GenerateKeyPair() ([]byte, *PublicKey, error)

+ func GenerateSubKeyPair(index int, chainCode, parentPrivateKey []byte) ([]byte, *PublicKey, error)

+ func NewPubKey(priKey []byte) *PublicKey

+ func (e *PublicKey) Deserialize(r io.Reader) error

+ func (e *PublicKey) EncodePoint(isCompressed bool) ([]byte, error)

+ func (e *PublicKey) Serialize(w io.Writer) error

Apr 26, 2018

Changes in this version

+ const COMPEVENFLAG

+ const COMPODDFLAG

+ const COMPRESSEDLEN

+ const FLAGLEN

+ const INFINITYLEN

+ const NEGBIGNUMLEN

+ const NOCOMPRESSEDFLAG

+ const NOCOMPRESSEDLEN

+ const P256PARAMA

+ const SIGNATURELEN

+ const SIGNRLEN

+ const XORYVALUELEN

+ func ComputeRoot(hashes []Uint256) (Uint256, error)

+ func DoubleSHA256(s []Uint256) Uint256

+ func Verify(publicKey PubKey, data []byte, signature []byte) error

+ type CryptoAlgSet struct

+ Curve elliptic.Curve

+ EccParams elliptic.CurveParams

+ type MerkleTree struct

+ Depth uint

+ Root *MerkleTreeNode

+ func NewMerkleTree(hashes []Uint256) (*MerkleTree, error)

+ type MerkleTreeNode struct

+ Hash Uint256

+ Left *MerkleTreeNode

+ Right *MerkleTreeNode

+ func (t *MerkleTreeNode) IsLeaf() bool

+ type PubKey struct

+ X *big.Int

+ Y *big.Int

+ func DecodePoint(encodeData []byte) (*PubKey, error)

+ func (e *PubKey) Deserialize(r io.Reader) error

+ func (e *PubKey) Serialize(w io.Writer) error