cryptoutils

Mar 25, 2025

Changes in this version

+ const StandardRSAKeyBits

+ func DecryptAES(ciphertext, key, nonce []byte) ([]byte, error)

+ func DecryptRSA(ciphertext []byte, privKey *rsa.PrivateKey) ([]byte, error)

+ func ECDSASignASN1(message []byte, privKey *ecdsa.PrivateKey) ([]byte, error)

+ func ECDSAVerifyASN1(message, sig []byte, pubKey *ecdsa.PublicKey) bool

+ func EncryptAES(plaintext, key []byte) (ciphertext []byte, nonce []byte, err error)

+ func EncryptRSA(message []byte, pubKey *rsa.PublicKey) ([]byte, error)

+ func GenerateECDSAKeyPair(curve elliptic.Curve) (*ecdsa.PrivateKey, *ecdsa.PublicKey, error)

+ func GenerateHMAC(key, message []byte, hash hash.Hash) string

+ func GenerateRSAKeyPair(bits int) (*rsa.PrivateKey, *rsa.PublicKey, error)

+ func GenerateSecureToken(length int) (string, error)

+ func HashSHA256(input string) string

+ func VerifyHMAC(key, message []byte, hash hash.Hash, HMAC string) bool