# NetLock Platina (Class Platinum) Főtanúsítvány root certificate (NETLOCK)

> NetLock Platina (Class Platinum) Főtanúsítvány is a root CA certificate operated by NETLOCK (RSA 4096, valid until 2028-12-06, SHA-256 EB7E05AA). As of the latest CCADB data it is trusted for TLS server authentication by 1 of 4 major root stores: Microsoft.

Source: https://ssl.sh/roots/netlock-platina-class-platinum-fotanusitvany/
Last updated: 2026-11-10

NetLock Platina (Class Platinum) Főtanúsítvány is a root CA certificate operated by NETLOCK (RSA 4096, valid until 2028-12-06, SHA-256 EB7E05AA). As of the latest CCADB data it is trusted for TLS server authentication by 1 of 4 major root stores: Microsoft.

| Field | Value |
|---|---|
| CA owner | NETLOCK |
| Subject | CN=NetLock Platina (Class Platinum) Főtanúsítvány,OU=Tanúsítványkiadók (Certification Services),O=NetLock Kft.,L=Budapest,C=HU |
| SHA-256 | EB7E05AA58E7BD328A282BF8867033F3C035342B516EE85C01673DFFFFBBFE58 |
| SPKI SHA-256 | 5094B73B736ADF73A0CBF43E27BF14407B4A36AA363A457FCE33949CEBA8E649 |
| Valid from | 2008-12-11 |
| Expires | 2028-12-06 |
| Key | RSA 4096 |
| Signature algorithm | sha256WithRSAEncryption |
| Serial number | 49412DEC0010 |
| SHA-1 (Windows thumbprint) | EC93DE083C93D933A986B3D5CDE25ACB2FEECF8E |

## Root store status

| Root store | Status | Trusted for TLS | Distrust for TLS after | Details |
|---|---|---|---|---|
| Chrome | Not included | No | - | - |
| Mozilla | Not included | No | - | - |
| Apple | Not included | No | - | - |
| Microsoft | Included | Yes | - | Trusted EKUs: Server Authentication, Client Authentication, Code Signing, Encrypting File System, IP Security Tunnel Termination, IP Security User, Secure Email, Time Stamping; Not-before cutoff: 2021-08-01 (Code Signing) |

The CCADB lists no EV policy OID for NetLock Platina (Class Platinum) Főtanúsítvány.

## Intermediate CAs issued by this root

The CCADB lists 1 intermediate CA certificates signed directly by NetLock Platina (Class Platinum) Főtanúsítvány: 1 currently valid, 0 expired and 0 revoked (revoked includes those whose parent was revoked).

| Intermediate | Operated by | Expires | Status | SHA-256 |
|---|---|---|---|---|
| NETLOCK Domain Validated CA | Netlock | 2028-09-20 | Valid | A1663E37B8992D819C69FB89707065CABDFE3D53C278FC3EC2601001798602F8 |

## Cross-signed versions

No certificate in the CCADB has the same subject and public key as NetLock Platina (Class Platinum) Főtanúsítvány with a different issuer, so a client has to carry NetLock Platina (Class Platinum) Főtanúsítvány itself in its root store to trust it.


## What happens when it expires

NetLock Platina (Class Platinum) Főtanúsítvány is valid until 2028-12-06, about 2.1 years after this data snapshot (2026-11-10). From that day, browsers and operating systems that check trust-anchor expiry stop accepting chains that end at this root, so any certificate that can only chain to it fails validation. Android is a known exception: it does not enforce the expiry date of trust anchors.

## FAQ

**Is NetLock Platina (Class Platinum) Főtanúsítvány trusted by Chrome, Firefox, Safari and Windows?**

As of 2026-11-10, Microsoft trust it for TLS server authentication; Chrome, Mozilla, Apple do not.

**When does NetLock Platina (Class Platinum) Főtanúsítvány expire?**

On 2028-12-06, about 2.1 years after the 2026-11-10 data snapshot.

**How many intermediate certificates has NetLock Platina (Class Platinum) Főtanúsítvány issued?**

The CCADB lists 1: 1 valid, 0 expired and 0 revoked. The newest valid one is NETLOCK Domain Validated CA, valid until 2028-09-20.

**Is NetLock Platina (Class Platinum) Főtanúsítvány cross-signed?**

No. The CCADB has no certificate with the same subject and public key signed by another CA.

Sources: CCADB TLS Server Authentication report, All Included Root Certificate Trust Bit Settings, All Certificate Information (V5), the per-store TLS reports and Mozilla's Included CA Certificate Report (ccadb.org/resources).