ilk

svc/internal/security/refresh_token.go

@@ -0,0 +1,23 @@
+package security
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/hex"
+)
+
+func GenerateRefreshToken() (plain string, hash string, err error) {
+	b := make([]byte, 32) // 256 bit
+	if _, err = rand.Read(b); err != nil {
+		return
+	}
+	plain = hex.EncodeToString(b)
+	sum := sha256.Sum256([]byte(plain))
+	hash = hex.EncodeToString(sum[:])
+	return
+}
+
+func HashRefreshToken(plain string) string {
+	sum := sha256.Sum256([]byte(plain))
+	return hex.EncodeToString(sum[:])
+}