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Digital Signature Certificate Services

Digital Signatures Certificate (DSC) service such as organization, Proprietorship, Company Class2, Class3, Renewal of digital signature and USB tokens digital signature. e-Tendering, e-Ticketing, e-Bidding, e-Filing of ITR, e-Filing of ROC & MCA.

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Digital Signature Certificate Services

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  1. Digital Signature Certificate Services Presented by DSC DELHI

  2. Basic Terms • Digital Signatures • DSS issued by NIST • Message Digest Algorithms • Non Reversible (One way function) • Examples Message Digest Algorithm Organization Digest Length 128 bits MD2, MD4, MD5 RSA Data Security Inc. SHA, SHA-1 US Government 160 bits

  3. Digital Signature Certificate Digital signature Certificate are the framework for identification information, and bind identities with public keys. They provide a foundation for • identification , • authentication and • non-repudiation.

  4. Sample View of a Certificate Certificate Types : • Private/Personal Server Developer

  5. How Digital Certificates work? • Generate Public and Private Keys. • Get Certificate from the CA • Sign the document/page using the private key. • Send signed document over open networks along with the CA’s certificate. • Recipient verifies using the signing CA’s public key • Trust Chain and Fingerprints

  6. Web Server Security • Server Authentication using SSL • Information to/from the correct Web Site • Information in encrypted form • Setting up SSL on a Web Site • Create a Server Certificate Request • Obtain the Server Certificate from a CA/locally • Install it on the Web Server • Establishing an SSL connection • Need root certificate of the issuing CA

  7. Client Authentication • Anonymous • Basic • Challenge Response (NT) • SSL Client Authentication

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