Assignment Requirements Part 1: Answer the following questions by filling in the blank using the proper technology or cryptography terms you have learned in class: 1. SSL certificates type of certificate is used to provide security on Web sites. 2. PKI is the most common public key encryption systems and‚ in most cases‚ this relies on manual trust and key distribution. 3. Message authentication code provides authentication or proves integrity of a digital message. 4. SHA-1 encryption
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unchanged. Why use certificate signatures? Many business transactions‚ including financial‚ legal‚ and other regulated transactions‚ require high assurance when signing documents. When documents are distributed electronically‚ it is important that recipients can: * Verify document authenticity – confirming the identity of each person who signed the document * Verify document integrity – confirming that the document has not been altered in transit Certificate-based signatures provide
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Government. Central Government shall appointed by order. Asymmetric crypto system : It means a system of a security key pair consisting of a private key for creating a digital signature and a public key to verify the digital signature Certifying Authority : Means a person who has been granted a license to issue a Digital Signature
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storing and management of digital certificates. It also maintains the networking environment of an organization by providing management service which could enable digital signature capabilities. It also enabled the users of unsecure public network for exchanging and private cryptographic key pair in order to obtain and share a trusted authority between the management of an organization. For improving an organization‚ PKI includes use of digital signatures‚ certificate validation‚ and permission management
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AND WITH ALL FAULTS. ADOBE‚ ITS SUPPLIERS AND CERTIFICATION AUTHORITIES DO NOT AND CANNOT WARRANT THE PERFORMANCE OR RESULTS YOU MAY OBTAIN BY USING THE SOFTWARE‚ CERTIFICATE AUTHORITY SERVICES OR OTHER THIRD PARTY OFFERINGS. EXCEPT TO THE EXTENT ANY WARRANTY‚ CONDITION‚ REPRESENTATION‚ OR TERM CANNOT OR MAY NOT BE EXCLUDED OR LIMITED BY LAW APPLICABLE TO YOU IN YOUR JURISDICTION‚ ADOBE AND ITS SUPPLIERS AND CERTIFICATION AUTHORITIES MAKE NO WARRANTIES CONDITIONS‚ REPRESENTATIONS‚ OR TERMS (EXPRESS
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create‚ manage‚ store‚ distribute‚ and revoke digital certificates based on asymmetric cryptography. The principal objective for developing a PKI is to enable secure‚ convenient‚ and efficient acquisition of public keys. The Internet Engineering Task Force (IETF) Public Key Infrastructure X.509 (PKIX) working group has been the driving force behind setting up a formal (and generic) model based on X.509 that is suitable for deploying a certificate-based architecture on the Internet. This section describes
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security software‚ content checking tool‚ anti-spam tool‚ and secure firewall configurations. 2. Certificate Authority or Certification Authority (CA) is an entity‚ which is core to many PKI (Public Key Infrastructure) schemes‚ whose purpose is to issue digital certificates to use by other parties. It implies a trusted third party. 3. An attacker can create a certificate for any domain. This certificate will appear to be signed by a trusted CA. Thus‚ you will see that the site’s cert is trusted and
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Digital Signature Act 1997 The primary intent of the Digital Signature Act 1997 is to regulate the use of digital signatures and to provide for matters connected therewith. We start with the privacy implications of digital signatures in general. A digital signature is a ’message digest’ encrypted using the sender’s private key. The recipient can recreate the message digest from the message they receive using the sender’s public key. He can then compare the two results to satisfy himself
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Public Key Infrastructure (PKI) Public Key Infrastructure (PKI) is a security architecture that has been introduced to provide an increasedlevel of confidence for exchanging information over an increasingly insecure Internet. PKI may involve the use of methods‚ technologies and techniques that together provide a secure infrastructure. PKI involves the use of a public key and private key pair for authentication and proof of content. A PKI infrastructure is expected to offer its users the following
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and associated public key certificates. A certificate is a statement issued by a certification authority according to a policy that binds an entity ’s public key to its name for a period of time. (You ’ll learn more about policies later in the chapter.) Another entity that trusts this CA also trusts that the public key belongs to the named entity. When entity A is presented with a certificate by entity B‚ entity A can tell from the certificate name that the certificate belongs to a legitimate user
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