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Hash algorithms are utilized for integrity checks. They can verify that nothing has changed on a certificate, that a file downloaded correctly, that a signed document hasn't been tampered with, and more. Although your Code Signing Certificate may be signed by GlobalSign to verify its integrity, when you sign code, you may also specify the hash algorithm used when validating the digital signature on your program or driver. This is called the file digest (/fd).

An internal server name is a domain or IP address that is part of a private network.

SHA-2 consists of a family of cryptographic hashing algorithms developed in part by NIST (National Institute of Standards and Technology) to replace the aging SHA-1 hashing algorithm which may have mathematical weaknesses. GlobalSign, in our role as your security partner, supported the deprecation of SHA-1 and the transition to SHA-256, the most widely supported hashing algorithm within the SHA-2 family. This article defines the important milestones for the introduction of SHA-256 Certificates and the depreciation of SHA-1 Certificates.

The following article provides step-by-step instructions for generating and importing a Certificate into Microsoft Azure Key Vault. Note: If this is not the solution you are looking for, please search for your solution in the search bar above.

This article provides step-by-step instructions for reissuing your SSL Certificate in the GlobalSign Certificate Center (GCC).

This article provides step-by-step instructions on how to reissue your Client Digital Certificates including PersonalSign, CodeSign, and PDF Signing certificates.

This article provides step-by-step instructions for installing your certificate in Microsoft Exchange 2010. If this is not the solution you are looking for, please search for your solution in the search bar above.

ECC stands for Elliptic Curve Cryptography and is an alternative approach to public key cryptography over other standards such as RSA. Read our ECC article for more information.

This article will walk you through signing a PDF in Adobe Reader DC. The instructions are the specific for an Adobe AATL certificate to sign. GlobalSign's PDF Signing certificates attest to the identity of the signer and secure your PDF documents from modification.

This article will walk you through signing a PDF in Adobe Acrobat XI. The instructions are specific for an Adobe AATL certificate to sign. GlobalSign's PDF Signing certificates attest to the identity of the signer and secure your PDF documents from modification.