passwords

package

v0.4.4 Latest Latest Go to latest Published: May 10, 2026 License: AGPL-3.0 Imports: 5 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/elloloop/identity

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Documentation ¶

Overview ¶

Package passwords provides bcrypt password hashing and strength validation.

Security:

bcrypt with cost factor 12 (tunable)
Constant-time comparison (built into bcrypt)
No plaintext passwords ever stored or logged

Index ¶

Constants
func Hash(plaintext string) (string, error)
func ValidateStrength(password string) []string
func Verify(plaintext, hash string) bool

Constants ¶

View Source

const (
	// MinPasswordLength is the minimum acceptable password length.
	MinPasswordLength = 8
	// MaxPasswordLength is bcrypt's maximum password byte length.
	MaxPasswordLength = 72
)

Variables ¶

This section is empty.

Functions ¶

func Hash ¶

func Hash(plaintext string) (string, error)

Hash hashes a plaintext password using bcrypt with cost 12. The returned string is suitable for storage (e.g. "$2a$12$...").

func ValidateStrength ¶

func ValidateStrength(password string) []string

ValidateStrength validates password strength and returns a list of issues. An empty slice means the password meets all requirements.

func Verify ¶

func Verify(plaintext, hash string) bool

Verify checks a plaintext password against a bcrypt hash using bcrypt's built-in constant-time comparison to prevent timing attacks. Returns true if the password matches, false otherwise.

Types ¶

This section is empty.

Source Files ¶

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