randutil

package

v0.46.0 Latest Latest Go to latest Published: Jan 28, 2023 License: MIT Imports: 7 Imported by: 9

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/grokify/mogo

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Documentation ¶

Index ¶

Constants
func CryptoRandInt64(random io.Reader, max int64) (int64, error)
func MustRandString(alphabet string, length uint) string
func NewSeedInt64Crypto() (int64, error)
func NewSeedInt64Time() int64
func RandString(alphabet string, length uint) (string, error)
type CryptoRand
- func NewCryptoRand(r io.Reader, s mrand.Source) CryptoRand

Constants ¶

View Source

const (
	AlphabetBase10 = "0123456789"
	AlphabetBase16 = "0123456789abcdef"
	AlphabetBase36 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	AlphabetBase62 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
)

Variables ¶

This section is empty.

Functions ¶

func CryptoRandInt64 ¶ added in v0.38.5

func CryptoRandInt64(random io.Reader, max int64) (int64, error)

func MustRandString ¶ added in v0.44.0

func MustRandString(alphabet string, length uint) string

func NewSeedInt64Crypto ¶ added in v0.41.0

func NewSeedInt64Crypto() (int64, error)

NewSeedInt64Crypto creates an `int64` seed value for `math/rand`. This is preferred over `NewSeedInt64Time()`. See: https://stackoverflow.com/a/54491783/1908967

func NewSeedInt64Time ¶ added in v0.41.0

func NewSeedInt64Time() int64

NewSeedInt64Time creates an `int64` seed value for `math/rand` based on `time.Now()`. This can have reduced entropy if used constantly throughout with shourl time differentials. See: https://stackoverflow.com/a/12321192/1908967

func RandString ¶ added in v0.44.0

func RandString(alphabet string, length uint) (string, error)

Types ¶

type CryptoRand ¶

type CryptoRand struct {
	// contains filtered or unexported fields
}

func NewCryptoRand ¶

func NewCryptoRand(r io.Reader, s mrand.Source) CryptoRand

func (*CryptoRand) Int64n ¶

func (cr *CryptoRand) Int64n(n int64) (int64, error)

func (*CryptoRand) Intn ¶

func (cr *CryptoRand) Intn(n int) (int, error)

func (*CryptoRand) MustInt64n ¶

func (cr *CryptoRand) MustInt64n(n int64) int64

func (*CryptoRand) MustIntn ¶

func (cr *CryptoRand) MustIntn(n int) int

Source Files ¶

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