December 2, 2024

PKCS7 (CMS) Encryption vs RSA Encryption

The difference between PKCS7 (CMS) encryption and RSA encryption lies in their purpose, scope, and how they handle encryption. * Output size differences are described further below. PKCS7 (CMS) Encryption Type: A data format and protocol, not an encryption algorithm itself. Purpose: Used for encrypting data and supporting digital signatures in a standard format. Mechanism: PKCS7 (or CMS, Cryptographic Message […]

PKCS7 0 2 min read
December 24, 2021

Chilkat 24-Dec-2021 — CMS Sign Hash

What’s going on in Chilkat support today… 1. A customer needs a way to create a CMS detached signature from a pre-computed hash.  Oddly, Chilkat did not yet have a function for doing it.  The CMS signature functions in Crypt2 accept data and do the hashing internally.  Chilkat is adding a Crypt2.SignHashENC method, as shown here in this example:   https://www.example-code.com/csharp/cms_sign_hash.asp  […]

Daily Notes 0 2 min read

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