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Timestamp is defined as a security protocol by international standards which provides legal proof of existence of a digital data at a particular time. Timestamp Client creates timestamp request by getting hash of the file to be timestamped and sends this request to a particular timestamp server. Afterwards it receives timestamp response from the server and stores to local file system after validation and verification processes. For digital data such as a signed agreement, a transaction or an application etc., proof of the existence for a particular time is very crucial for current e-trade and e-government applications. Nevertheless timestamp is required for varying kinds of digital data that need copyright including a new idea, photograph, model, drawing, research, formula or an algorithm.
According to the Turkish Electronic Signature Law published on January 15, 2004, Timestamp refers to a record verified with a secure electronic signature given by an authorized Electronic Certificate Service Providers in order to retain the exact time of creating, altering, sending, receiving or/and storing a digital data.
Brochure
Click here to download the brochure of Zamane.
Download
The compatible version of Zamane for your operating system can be downloaded from the list below.
| 64 BIT VERSION | 32 BIT VERSION |
|---|---|
| Download for Windows | Download for Windows |
| SHA1: C1C8BDF78AA78EACE41E39EE8D7391B99B1112F4 |
SHA1: D1B08586A4F1C06E772C7C826707FD2318FDCCB0 |
| Download for Linux | |
| SHA1: cced5ec17318918a6e0b83fdb3fb2c4722a6775d | |
| CONSOLE VERSION | |
| Download for Console | |
| SHA1: bacbcdc84621f6831682f7d7422d79377d6af02c | |
Timestamp Client Properties
Timestamp Client provides following features:
- Creates timestamp request by getting hash of the file and sends to the timestamp server.
- Checks received timestamp response with corresponding file and validate it.
- Validates timestamp responses taken before.
- Verifies the certificate of timestamp server by using a policy file.
- Creates timestamp requests for all kind of files or digital data.
- Connects to the server by using proxy on request.
- Users can request the remaining credits.
Solutions
Hash Algorithm Support
Timestamp Client provides the flexibility for timestamp requests to be created by any hash algorithm from SHA-1 and SHA-2 family.
Certificate Verification Support
In addition to validate receiving timestamp responses, timestamp client can verify the certificate of timestamp server.
User Friendly Interface
Timestamp Client comes with a user friendly interface that promotes ease of use.
Technical Specifications
| Operating System Windows 2000, Windows XP, Windows 2003, Windows Server 2008, Windows 7, Windows 8, Linux |
| Hardware Requirements • Intel/AMD Processor • Java 1.6 + |
| Supported Standards • RFC 3161 (Internet X.509 PKI Timestamp Protocol) • ETSI TS 102 023 Timestamp Authority Principle Requirements • X.509 v3 Certificates • X.509 v2 Certificate Revocation Lists (CRL) • Online Certificate Status Protocol (OCSP) |
| Public Key Infrastructure (PKI) Services • Control for certificate and certificate revocation list in verification process of timestamp • Online Certificate Status Protocol Support |
| Basic Security Services • Signing timestamps by using X.509 certificates and public key algorithms • Verifying client identity by using PKCS 5 |
| Certificate and Crypto Features • RSA and ECDSA algorithms support for timestamp signature • Use of AES encryption algorithms • Use of SHA-1 and SHA-2 family of hash algorithms |
| Other Services • Processing timestamp request and displaying details |
| National Features • Developed by TÜBİTAK BİLGEM UEKAE |