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ISSUER - Originator

Enhanced Definition

In the context of z/OS and enterprise computing, an **Issuer** typically refers to the entity (often a Certificate Authority) that signs and validates a digital certificate, attesting to the identity of the certificate holder. An **Originator** refers to the entity (e.g., user ID, job, task, or application) that initiates an action, request, or transaction within the system.

Key Characteristics

- Issuer (Digital Certificates): A trusted third party (Certificate Authority or CA) responsible for verifying identities and issuing digital certificates, which are crucial for secure communication (e.g., TLS/SSL) on z/OS.
- Issuer (RACF): In RACF, an ISSUER field is a key component of a digital certificate profile, linking the certificate to its issuing CA and establishing a chain of trust.
- Originator (Security/Auditing): Provides accountability by identifying the source of a security event, access request, or system command, critical for audit trails and compliance on z/OS.
- Originator (Job/Task Management): The user ID or job name associated with the submission of a batch job or the initiation of a started task or CICS/IMS transaction.
- **Originator (Messaging