encryption

Documentation

Index

• func AesGcmDecrypt(encryptedData []byte, specs CipherKeySpecs) ([]byte, error)
• func AesGcmEncrypt(plainData []byte, specs CipherKeySpecs) ([]byte, error)
• func ChaChaDecrypt(encryptedData []byte, specs CipherKeySpecs) ([]byte, error)
• func ChaChaEncrypt(plainData []byte, specs CipherKeySpecs) ([]byte, error)
• func ComputeAESSharedSecret(specs CipherKeySpecs) (sharedSecret []byte, err error)
• func ComputeChaChaSharedSecret(specs CipherKeySpecs) (sharedSecret []byte, err error)
• func ComputeX25519SharedKey(SharedPublicKey, PrivateKey string) (sharedSecret []byte, err error)
• func GenerateSalt() (string, error)
• func ParsePBKDF2Iterations(iterations string) int
• func SafeStringToInt(s string) (int, error)
• type AlgoMethod
• type CipherKeySpecs
• type X25519KeyPair
  • func GenerateKeyPair() (keyPair X25519KeyPair, err error)

Functions

func AesGcmDecrypt

func AesGcmDecrypt(encryptedData []byte, specs CipherKeySpecs) ([]byte, error)

AesGcmDecrypt decrypts the given data using AES-GCM.

func AesGcmEncrypt

func AesGcmEncrypt(plainData []byte, specs CipherKeySpecs) ([]byte, error)

AesGcmEncrypt encrypts the plainData using the AES-GCM AEAD cipher

func ChaChaDecrypt

func ChaChaDecrypt(encryptedData []byte, specs CipherKeySpecs) ([]byte, error)

ChaChaDecrypt decrypts the encryptedData using the ChaCha20-Poly1305 AEAD cipher

func ChaChaEncrypt

func ChaChaEncrypt(plainData []byte, specs CipherKeySpecs) ([]byte, error)

ChaChaEncrypt encrypts the plainData using the ChaCha20-Poly1305 AEAD cipher

func ComputeAESSharedSecret

func ComputeAESSharedSecret(specs CipherKeySpecs) (sharedSecret []byte, err error)

ComputeAESSharedSecret computes the shared secret using elliptic curve Diffie-Hellman

func ComputeChaChaSharedSecret

func ComputeChaChaSharedSecret(specs CipherKeySpecs) (sharedSecret []byte, err error)

ComputeChaChaSharedSecret computes the shared secret using elliptic curve Diffie-Hellman

func ComputeX25519SharedKey

func ComputeX25519SharedKey(SharedPublicKey, PrivateKey string) (sharedSecret []byte, err error)

ComputeX25519SharedKey computes the shared secret using elliptic curve Diffie-Hellman SharedPublicKey and PrivateKey must be hex encoded as strings Returns the shared secret as a byte slice

func GenerateSalt

func GenerateSalt() (string, error)

GenerateSalt generates a random salt Returns the salt as a hex encoded string

func ParsePBKDF2Iterations

func ParsePBKDF2Iterations(iterations string) int

ParsePBKDF2Iterations parses the PBKDF2 iterations Returns the iterations as an int

func SafeStringToInt

func SafeStringToInt(s string) (int, error)

SafeStringToInt converts a string to an int Returns an error if the string cannot be converted to an int

Types

type AlgoMethod

type AlgoMethod string

const (
	XChaCha20_Poly1305_PBKDF2_Curve25519 AlgoMethod = "XChaCha20_Poly1305_PBKDF2_Curve25519"
	AES256_GCM_PBKDF2_Curve25519         AlgoMethod = "AES256_GCM_PBKDF2_Curve25519"
)

type CipherKeySpecs

type CipherKeySpecs struct {
	Salt            string     `json:"salt"`
	Iterations      string     `json:"iterations"`
	SharedPublicKey string     `json:"sharedPublicKey"`
	PrivateKey      string     `json:"privateKey"`
	Algo            AlgoMethod `json:"algo"`
}

type X25519KeyPair

type X25519KeyPair struct {
	PublicKey  string `json:"public_key"`
	PrivateKey string `json:"private_key"`
}

func GenerateKeyPair

func GenerateKeyPair() (keyPair X25519KeyPair, err error)

GenerateKeyPair generates a new X25519 key pair.