crypto

func Decrypt ¶

func Decrypt(privKey *btcec.PrivateKey, data []byte) ([]byte, error)

Decrypt decrypts data using a secp256k1 private key (ECIES)

func DecryptWithAES256 ¶

func DecryptWithAES256(secretKey, nonce, ciphertext []byte) ([]byte, error)

DecryptWithAES256 decrypts data using a AES256 cryptography.

func DeriveSharedKey ¶

func DeriveSharedKey(priv *btcec.PrivateKey, pub *btcec.PublicKey, kdf func([]byte) []byte) []byte

DeriveSharedKey derives a shared key (which can be used for asymmetric encryption) using a specified KDF (Key Derivation Function) from a shared secret generated by Diffie-Hellman key exchange (ECDH).

func Encrypt ¶

func Encrypt(pubKey *btcec.PublicKey, data []byte) ([]byte, error)

Encrypt encrypts data using a secp256k1 public key (ECIES)

func EncryptWithAES256 ¶

func EncryptWithAES256(secretKey, nonce, data []byte) ([]byte, error)

EncryptWithAES256 encrypts data using a AES256 cryptography.

func GeneratePrivateKeyFromMnemonic ¶

func GeneratePrivateKeyFromMnemonic(mnemonic string, coinType, accNum, index uint32) (secp256k1.PrivKey, error)

func KDFSHA256 ¶

func KDFSHA256(in []byte) []byte

KDFSHA256 is a key derivation function which uses SHA256.

func NewPrivKey ¶

func NewPrivKey() (*btcec.PrivateKey, error)

NewPrivKey generates a random secp256k1 private key

func PrivKeyFromBytes ¶

func PrivKeyFromBytes(privKeyBz []byte) (*btcec.PrivateKey, *btcec.PublicKey)