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Reusable public key certificate scheme based on public key infrastructure,Software program module integrity detection method based on PKI public key algorithm

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In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the ownership of a public key. The certificate includes information about the key, information about the identity of its owner (called the subject), and the digital signature of an entity that has verified the certificate's contents (called the issuer). If the signature is valid, and the software examining the certificate trusts the issuer, then it can use that key to communicate securely with the certificate's subject. In email encryption, code signing, and e-signature systems, a certificate's subject is typically a person or organization. However, in Transport Layer Security (TLS) a certificate's subject is typically a computer or other device, though TLS certificates may identify organizations or individuals in addition to their core role in identifying devices. TLS, sometimes called by its older name Secure Sockets Layer (SSL), is notable for being a part of HTTPS, a protocol for securely browsing the web.

Reusable public key certificate scheme based on public key infrastructure

InactiveCN106059747AImprove management efficiencyReduce in quantityKey distribution for secure communicationUser identity/authority verificationRelevant informationPassword

The invention provides a reusable public key certificate scheme based on a public key infrastructure. The scheme comprises the steps: (1) an applicant submits a user main public key and relevant information of the applicant to a certificate authority, and the certificate authority issues a signed user main public key certificate after the certification passes; (2) the applicant automatically generates an application user public key for a specific application and application public key verification information; (3) a message sender verifies the ownership of the application user public key, and if the ownership is verified to be the applicant, the message sender performs relevant public key password operation by using the application user public key; and (4) the applicant decrypts the received encrypted message using the application user public key, or performs digital signature using a private key corresponding to the application user public key. The public key password system is very convenient to use, is high in security, and greatly improves the working efficiency of the certificate authority (CA) in the public key infrastructure.

Reusable public key certificate scheme based on public key infrastructure

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Owner:成都蓝海贝信息技术有限公司

Software program module integrity detection method based on PKI public key algorithm

ActiveCN108667594AProtect intellectual propertyDoes not affect normal functionUser identity/authority verificationPublic key infrastructure trust modelsIntellectual propertyPublic key certificate

The invention discloses a software program module integrity detection method based on a PKI public key algorithm, and the method comprises the steps: carrying out the signing of a program module through a fixed certificate based on the PKI public key algorithm and a dedicated loading module; verifying module signature, loading a module, decrypting an imported table envelope, restoring an importedtable and starting a signature verifying thread of a code region during operation through comprising a fixed public key certificate, modulate signature and imported table digital envelope; entering anoriginal program inlet point for continuing the execution, wherein the secret keys employed during signing are consistent with the certificates employed during signature verification in a one-to-onemanner. The beneficial effects of the invention lie in that the method protects software from being tampered and used illegally under the condition that the normal function of the software is not affected, and also protects the intellectual property of a software owner.

Owner:KOAL SOFTWARE CO LTD

2 results about "Public key certificate" patented technology

Reusable public key certificate scheme based on public key infrastructure

Software program module integrity detection method based on PKI public key algorithm

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