Explain the role of a Certificate Authority (CA) in SSL?

A Certificate Authority (CA) in SSL plays a crucial role in the security of web transactions. It issues digital certificates to entities or individuals after verifying their identity. These certificates serve as proof that the entity is who it claims to be, thus fostering trust among users. The CA also maintains a list of issued certificates and their status – valid, expired, or revoked. In case of any discrepancies, browsers can cross-verify with this list.

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