| Field | Size (bytes) | Description | |-------|-------------|-------------| | Magic Number | 2 | Fixed header 0x4B 0x52 ("KR") | | Version | 1 | License spec version (current: 0x02 ) | | Product ID | 2 | 0x01=Optimizer, 0x02=CLI, etc. | | License Type | 1 | 0x00=Trial, 0x01=Perpetual, 0x02=Subscription | | Feature Bitmask | 4 | Flags for tier (Basic, Pro, Enterprise) | | Creation Timestamp | 4 | Unix UTC (32-bit) | | Expiration Timestamp | 4 | Unix UTC (32-bit; 0=never) | | Max Activations | 2 | 1–65535 (per key limit) | | Checksum (CRC32) | 4 | Integrity check before crypto | | Signature (RSA-2048) | 256 | Signed hash of all previous fields |
: Includes general or high-priority technical support depending on the tier. Pricing and Subscription Tiers Keyran License Key
Understanding Keyran License Keys: A Complete Guide Keyran is a popular macro-management software designed to automate repetitive tasks in gaming and professional applications. To unlock its full suite of features beyond the trial period, users require a License Key What is a Keyran License Key? | Field | Size (bytes) | Description |