In Electronic Signature Law 5070, secure electronic signature is defined as, “uniquely binded to electronic signature's owner, can only be created by the signature creation device only accessible by the signature's owner, provides identity information based on a qualified certificate, can be verifiable that any unauthorized update made on the signed data.”.

Electronic signature provides authentication, message integrity and non-repudiation;

1. Ordered List Item Authentication provides secure and valid identity information about the source of the signed data.
2. Ordered List ItemMessage integrity guarantees that the messages is not tampered.
3. Ordered List ItemNon-repudiation prevents signed data owners denying their involvement with the data.

In order to create electronic signature, one must have a certificate and a private key. Generally smartcards are used for storing certificates and private keys securely.

Signature Types

In this section, electronic signature types are explained ordered from simple to complex. For more detailed information about signature types you can see ETSI TS 101 733 document. In this document, figures from ETSI TS 101 733 are used.

Signature Profiles

In this section, the valid signature types in Turkey published by Information Technologies and Communication Institution are described.