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authentication/credentials/credentials.go

@@ -0,0 +1,21 @@
+package credentials
+
+import "golang.org/x/crypto/bcrypt"
+
+// CreatePassword returns a hashed version of the given password.
+// TODO: Make strength configurable.
+func CreatePassword(pw string) []byte {
+	strength := 12
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(pw), strength)
+
+	if err != nil {
+		panic(err)
+	}
+
+	return hashedPassword
+}
+
+// ComparePassword compares a hashed password with its possible plaintext equivalent.
+func ComparePassword(hashedPassword, password []byte) bool {
+	return bcrypt.CompareHashAndPassword(hashedPassword, password) == nil
+}