cryptoUtil

func DecodedHash ¶

func DecodedHash(s string) ([]byte, error)

DecodedHash returns the decoded hash of the given hex string

func DecryptAES256 ¶

func DecryptAES256(key []byte, securemess []byte) (decodedmess []byte, err error)

DecryptAES256 ....

func DecryptMessage ¶

func DecryptMessage(message []byte, passPhrase string) ([]byte, error)

DecryptMessage decrypts an encrypted message using a password

func EncodedHash ¶

func EncodedHash(s string) string

EncodedHash returns the hex encoded hash of the given string

func EncryptAES256 ¶

func EncryptAES256(key []byte, plaintext []byte) (encmess []byte, err error)

EncryptAES256 encrypts a message using AES-256-GCM

key is the encryption key (must be 32 bytes)
message is the string to be encrypted
returns the (b64 encoded) encrypted message, or an error if the key is not 32 bytes

func EncryptMessage ¶

func EncryptMessage(message []byte, passPhrase string) ([]byte, error)

EncryptMessage encrypts a message using a password

func FNV32a ¶

func FNV32a(text string) uint32

FNV32a hashes using fnv32a algorithm

func Hash ¶

func Hash(s string) []byte

Hash using SHA3-256

func IndexFromString ¶

func IndexFromString(text string) uint32

IndexFromString returns the unique (hash) index of an arbitrary string

func SecureRandomStr ¶

func SecureRandomStr(length int) (string, error)

SecureRandomStr returns a random string of the given length

length: the length of the string to return
returns: a random string of the given length
				 error: if an error occurs
notes: uses crypto/rand to generate random bytes