Cisco Bug: CSCvt54233 - Calls Not Possible With FIPS Enabled and min1024 Key Size for H323
May 13, 2020
- Cisco Telepresence Integrator C Series
Known Affected Releases
9.10.0 9.10.1 9.8.3 9.9.3
Symptom: Calls fail from a h.323 registered system and get stuck in a dialing state until manually ended. The following message can be seen in the logs. Diffie-Hellman generate operation failed: error:0506706E:Diffie-Hellman routines:GENERATE_KEY:key size too small Conditions: FIPS mode is enabled and the h.323 encryption key size is set to min1024.
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Bug Details Include
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