randutil

README

randutil

Helper library for cryptographic and mathmatical randoms

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Contributing

Check out the contributing wiki to join the group of amazing people making this project possible:

• Atsushi Watanabe - Original Author

Documentation

Index

• func GenerateCryptoRandomString(n int, runes string) (string, error)
• type MathRandomGenerator
  • func NewMathRandomGenerator() MathRandomGenerator

Functions

func GenerateCryptoRandomString

func GenerateCryptoRandomString(n int, runes string) (string, error)

GenerateCryptoRandomString generates a random string for cryptographic usage.

Types

type MathRandomGenerator

type MathRandomGenerator interface {
	// Intn returns random integer within [0:n).
	Intn(n int) int

	// Uint32 returns random 32-bit unsigned integer.
	Uint32() uint32

	// Uint64 returns random 64-bit unsigned integer.
	Uint64() uint64

	// GenerateString returns ranom string using given set of runes.
	// It can be used for generating unique ID to avoid name collision.
	//
	// Caution: DO NOT use this for cryptographic usage.
	GenerateString(n int, runes string) string
}

MathRandomGenerator is a random generator for non-crypto usage.

func NewMathRandomGenerator

func NewMathRandomGenerator() MathRandomGenerator

NewMathRandomGenerator creates new mathmatical random generator. Random generator is seeded by crypto random.