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Automation Advisor
K6
lib
decryptPrivateKey

How to use decryptPrivateKey method of lib Package

Best K6 code snippet using lib.decryptPrivateKey

encrypt.go

Source:encrypt.go

1// Copyright 2021 ChainSafe Systems (ON)2// SPDX-License-Identifier: LGPL-3.0-only3package keystore4import (5	"crypto/aes"6	"crypto/cipher"7	"crypto/rand"8	"encoding/json"9	"errors"10	"fmt"11	"io"12	"os"13	"path/filepath"14	"github.com/ChainSafe/gossamer/lib/crypto"15	"github.com/ChainSafe/gossamer/lib/crypto/ed25519"16	"github.com/ChainSafe/gossamer/lib/crypto/secp256k1"17	"github.com/ChainSafe/gossamer/lib/crypto/sr25519"18	"golang.org/x/crypto/blake2b"19)20// EncryptedKeystore holds Type PublicKey and Ciphertext21type EncryptedKeystore struct {22	Type       string23	PublicKey  string24	Ciphertext []byte25}26// gcmFromPassphrase creates a symmetric AES key given a password27func gcmFromPassphrase(password []byte) (cipher.AEAD, error) {28	hash := blake2b.Sum256(password)29	block, err := aes.NewCipher(hash[:])30	if err != nil {31		return nil, err32	}33	gcm, err := cipher.NewGCM(block)34	if err != nil {35		return nil, err36	}37	return gcm, nil38}39// Encrypt uses AES to encrypt `msg` with the symmetric key deterministically created from `password`40func Encrypt(msg, password []byte) ([]byte, error) {41	gcm, err := gcmFromPassphrase(password)42	if err != nil {43		return nil, err44	}45	nonce := make([]byte, gcm.NonceSize())46	if _, err = io.ReadFull(rand.Reader, nonce); err != nil {47		return nil, err48	}49	ciphertext := gcm.Seal(nonce, nonce, msg, nil)50	return ciphertext, nil51}52// Decrypt uses AES to decrypt ciphertext with the symmetric key deterministically created from `password`53func Decrypt(data, password []byte) ([]byte, error) {54	gcm, err := gcmFromPassphrase(password)55	if err != nil {56		return nil, err57	}58	nonceSize := gcm.NonceSize()59	nonce, ciphertext := data[:nonceSize], data[nonceSize:]60	plaintext, err := gcm.Open(nil, nonce, ciphertext, nil)61	if err != nil {62		return nil, err63	}64	return plaintext, nil65}66// EncryptPrivateKey uses AES to encrypt an encoded `crypto.PrivateKey` with a symmetric key deterministically67// created from `password`68func EncryptPrivateKey(pk crypto.PrivateKey, password []byte) ([]byte, error) {69	return Encrypt(pk.Encode(), password)70}71// DecryptPrivateKey uses AES to decrypt the ciphertext into a72// `crypto.PrivateKey` with a symmetric key deterministically73// created from `password`74func DecryptPrivateKey(data, password []byte, keytype string) (crypto.PrivateKey, error) {75	pk, err := Decrypt(data, password)76	if err != nil {77		return nil, err78	}79	return DecodePrivateKey(pk, keytype)80}81// EncryptAndWriteToFile encrypts the `crypto.PrivateKey` using the password and saves it to the specified file82func EncryptAndWriteToFile(path string, pk crypto.PrivateKey, password []byte) error {83	ciphertext, err := EncryptPrivateKey(pk, password)84	if err != nil {85		return err86	}87	pub, err := pk.Public()88	if err != nil {89		return fmt.Errorf("cannot get public key: %s", err)90	}91	keytype := ""92	if _, ok := pk.(*ed25519.PrivateKey); ok {93		keytype = crypto.Ed25519Type94	}95	if _, ok := pk.(*sr25519.PrivateKey); ok {96		keytype = crypto.Sr25519Type97	}98	if _, ok := pk.(*secp256k1.PrivateKey); ok {99		keytype = crypto.Secp256k1Type100	}101	if keytype == "" {102		return errors.New("cannot write key not of type sr25519, ed25519, secp256k1")103	}104	keydata := &EncryptedKeystore{105		Type:       keytype,106		PublicKey:  pub.Hex(),107		Ciphertext: ciphertext,108	}109	data, err := json.MarshalIndent(keydata, "", "\t")110	if err != nil {111		return err112	}113	err = os.WriteFile(filepath.Clean(path), append(data, byte('\n')), 0600)114	if err != nil {115		return fmt.Errorf("cannot write to destination file: %w", err)116	}117	return nil118}119// ReadFromFileAndDecrypt reads ciphertext from a file and decrypts it using the password into a `crypto.PrivateKey`120func ReadFromFileAndDecrypt(filename string, password []byte) (crypto.PrivateKey, error) {121	fp, err := filepath.Abs(filename)122	if err != nil {123		return nil, err124	}125	data, err := os.ReadFile(filepath.Clean(fp))126	if err != nil {127		return nil, err128	}129	keydata := new(EncryptedKeystore)130	err = json.Unmarshal(data, keydata)131	if err != nil {132		return nil, err133	}134	return DecryptPrivateKey(keydata.Ciphertext, password, keydata.Type)135}...

decryptPrivateKey

Using AI Code Generation

1decryptPrivateKey(key, password)2decryptPrivateKey(key, password)3decryptPrivateKey(key, password)4decryptPrivateKey(key, password)5decryptPrivateKey(key, password)6decryptPrivateKey(key, password)7decryptPrivateKey(key, password)8decryptPrivateKey(key, password)9decryptPrivateKey(key, password)10decryptPrivateKey(key, password)11decryptPrivateKey(key, password)12decryptPrivateKey(key, password)13decryptPrivateKey(key, password)14decryptPrivateKey(key, password)15decryptPrivateKey(key, password)16decryptPrivateKey(key, password)17decryptPrivateKey(key, password)18decryptPrivateKey(key, password)19decryptPrivateKey(key, password)20decryptPrivateKey(key, password)21decryptPrivateKey(key, password)

decryptPrivateKey

Using AI Code Generation

1import (2func main() {3    key, err := crypto.HexToECDSA("0x")4    if err != nil {5        panic(err)6    }7    fmt.Println(key)8}9import (10func main() {11    key, err := crypto.HexToECDSA("0x")12    if err != nil {13        panic(err)14    }15    fmt.Println(key)16}17import (18func main() {19    key, err := crypto.HexToECDSA("0x")20    if err != nil {21        panic(err)22    }23    fmt.Println(key)24}25import (26func main() {27    key, err := crypto.HexToECDSA("0x")28    if err != nil {29        panic(err)30    }31    fmt.Println(key)32}33import (34func main() {35    key, err := crypto.HexToECDSA("0x")36    if err != nil {37        panic(err)38    }39    fmt.Println(key)40}41import (42func main() {43    key, err := crypto.HexToECDSA("0x")44    if err != nil {45        panic(err)46    }47    fmt.Println(key)48}49import (50func main() {51    key, err := crypto.HexToECDSA("0x")52    if err != nil {53        panic(err

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