38 lines
1 KiB
Go
38 lines
1 KiB
Go
package secgen
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import (
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"crypto/rand"
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"encoding/base64"
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"encoding/hex"
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"math/big"
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"strings"
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)
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const charset = "abcdedfghijklmnopqrstABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" // a-z A-Z 0-9
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var charsetlen = big.NewInt(57)
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// Password generates secure password
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func Password(length int) string {
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var password strings.Builder
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for i := 0; i < length; i++ {
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index, _ := rand.Int(rand.Reader, charsetlen)
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password.WriteByte(charset[index.Int64()])
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}
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return password.String()
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}
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// Base64Bytes generates secure bytes with the given length and returns it as a base64 string
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func Base64Bytes(length int) string {
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randomBytes := make([]byte, length)
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rand.Read(randomBytes) //nolint:errcheck // nothing could be done anyway
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return base64.StdEncoding.EncodeToString(randomBytes)
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}
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// HexBytes generates secure bytes with the given length and returns it as a hex string
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func HexBytes(length int) string {
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randomBytes := make([]byte, length)
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rand.Read(randomBytes) //nolint:errcheck // nothing could be done anyway
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return hex.EncodeToString(randomBytes)
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}
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