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Status Delivered
Categories Security
Created by Guest
Created on Jan 8, 2018

Increase Key Exchange Security

We have a merchant who can't complete connectivity to SSP SFTP because they don't support the Key Exchange we currently have available.

Their preference would be to use these kex protocols:
ecdh-sha2-nistp256 ephemeral-ephemeral elliptic curve
Diffie-Hellman on nistp256 with SHA-256
or
ecdh-sha2-nistp384 ephemeral-ephemeral elliptic curve
Diffie-Hellman on nistp384 with SHA-384

SSP only supports:
diffie-hellman-group1-sha1
diffe-hellman-group14-sha1
diffie-hellman-group-exchange-sha1
DeveloperWorks ID DW_ID84156
RTC ID RTC_ID492412
Link to original RFE http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=84156
  • Admin
    VIJAY CHOUGULE
    May 23, 2019

    This has been implemented in 3.4.3 iFix and available in 6.0 as well.