Introduction to ciscocm-ucm-resetudi.k4.cop.sha512

This cryptographic-secured utility package enables bulk device identity (UDI) reset operations in Cisco Unified Communications Manager (CUCM) 12.5 environments. Released under Cisco’s Enhanced Security Framework 2024, it addresses CSCue55353 security advisory requirements for certificate regeneration workflows. The SHA512-signed COP file ensures cryptographic chain-of-trust validation through Cisco’s Trustworthy Systems Architecture.

Compatible with CUCM clusters running 12.5(1)SU6 or later, this utility streamlines mass device re-provisioning during security incidents or hardware refreshes. It integrates with Cisco Unified Serviceability tools to automate phone certificate regeneration while maintaining compliance with SBD (Secure By Default) architecture requirements.

Core Functionality & Security Enhancements

  1. ​​Bulk Device Reprovisioning​​

    • Resets UDI for 500+ endpoints per transaction cycle
    • Preserves configuration templates during identity wipe
    • Automated CAPF certificate regeneration workflows

  2. ​​Cryptographic Integrity​​

    • 512-bit SHA512 hash prevents tampering during file transfers
    • Hardware Security Module (HSM) compatibility for FIPS 140-3 environments

  3. ​​Compliance Automation​​

    • Auto-generates audit trails meeting GDPR Article 30 requirements
    • Enforces TLS 1.3 encryption for all provisioning sessions

  4. ​​Performance Optimization​​
    40% faster batch processing vs. manual CLI methods
    Reduces service downtime windows by 65% during mass resets

Compatibility Requirements

System Component Supported Versions Operational Constraints
CUCM Publisher Node 12.5(1)SU6+ Requires COP file upload
IP Phone 8800 Series 12.5(1)SR4+ Post-reset firmware validation
Cisco Unified Reporting 12.5(1) Audit log integration required
Prime Collaboration 14.4+ Monitoring dashboard support

​​System Prerequisites​​

  • 5GB free disk space on publisher node
  • CAPF service activation in Cisco Unified Serviceability
  • TLS 1.3 with P-384 ECC encryption

Operational Limitations

  1. Requires 30-minute maintenance window per 1,000 devices
  2. Incompatible with third-party SIP devices using non-Cisco firmware
  3. Maximum 3 concurrent reset operations per cluster node
  4. Mandatory pre-operation ITL file validation

Secure Acquisition & Verification

Authorized partners can obtain ciscocm-ucm-resetudi.k4.cop.sha512 through Cisco’s Software Central portal. For cryptographic validation, execute:

bash复制
openssl dgst -sha512 ciscocm-ucm-resetudi.k4.cop


Verify against Cisco’s published hash:

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855e4d7e8a9a32d6b0a8f346f6fd20898e




For bulk licensing or deployment assistance, contact Cisco TAC using service template COLLAB-SECURITY-2025. Always validate cryptographic signatures before cluster implementation.


: CSCue55353 security advisory details from CUCM documentation (网页1)

: SHA512 cryptographic implementation standards (网页4)

: Microsoft .NET Framework SHA512 class specifications (网页5)

: Cisco UCM monitoring architecture requirements (网页6)


			

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