From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
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Certificate authorities
From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
Certificate authorities
You already know that certificate authorities are the trusted organizations that issue digital certificates to individuals, systems, and organizations. Just to quickly recap. When someone wants to obtain a digital certificate, they prepare a certificate signing request and provide it to a certificate authority along with proof of their identity. The certificate authority verifies the certificate subject's identity, creates a digital certificate, signs the certificate with their private key, and then sends that signed certificate back to the requester. Anyone wishing to use the certificate may then validate that it's authentic by verifying the digital signature with the certificate authority's public key. If the signature is valid and they trust the certificate authority, they can then trust that it contains a public key belonging to the certificate subject. In most cases, organizations choose to use a well-known certificate authority because the vast majority of users around the world…
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Trust models2m 52s
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PKI and digital certificates4m 5s
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Hash functions7m 38s
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Digital signatures3m 50s
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Digital signature standard1m 27s
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Create a digital certificate4m 55s
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Revoke a digital certificate1m 28s
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Certificate stapling2m 29s
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Certificate authorities6m 13s
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Certificate subjects3m 35s
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Certificate types2m 55s
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Certificate formats2m 30s
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