cryptography

package

v0.5.0 Latest Latest Go to latest Published: Nov 9, 2025 License: MIT Imports: 10 Imported by: 0

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const (
	// AES256KeySize is the size of an AES-256 key in bytes.
	AES256KeySize = 32 // 256 bits
)

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const (
	SHA256Size = 32
)

This section is empty.

func ComputeHMAC(key, message []byte) []byte

func DecryptAES256CBC(key, ciphertext []byte) ([]byte, error)

DecryptAES256CBC decrypts data using AES-256 in CBC mode. It assumes the IV is prepended to the ciphertext.

func DeriveKey(secret, salt, info []byte, length int) ([]byte, error)

func DeriveSharedSecret(privateKey, peerPublicKey []byte) ([]byte, error)

func EncryptAES256CBC(key, plaintext []byte) ([]byte, error)

EncryptAES256CBC encrypts data using AES-256 in CBC mode. The IV is prepended to the ciphertext.

func GenerateAES256Key() ([]byte, error)

GenerateAES256Key generates a random AES-256 key.

func GenerateHMACKey(size int) ([]byte, error)

func GenerateKeyPair() (privateKey, publicKey []byte, err error)

func GenerateSigningKeyPair() (ed25519.PublicKey, ed25519.PrivateKey, error)

func GetBasepoint() []byte

GetBasepoint returns the standard Curve25519 basepoint

func Hash(data []byte) []byte

func Sign(privateKey ed25519.PrivateKey, message []byte) []byte

func ValidateHMAC(key, message, messageHMAC []byte) bool

func Verify(publicKey ed25519.PublicKey, message, signature []byte) bool

This section is empty.