tFTP Connection with SFTP support, fails with the following error:
tFTPConnection_1 Algorithm negotiation fail
Exception in component tFTPConnection_1
com.jcraft.jsch.JSchException: Algorithm negotiation fail
By default, Java provides only a restricted list of algorithms.
Due to import control restrictions, the version of JCE policy files that are bundled in the JDK(TM) environment allow "strong" but limited cryptography to be used.
The JCE download bundle provides "unlimited strength" policy files which contain no restrictions on cryptographic strengths.
Download the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files, according to your JDK version, from the Oracle Java Archive Download page.
Extract the local_policy.jar and US_export_policy.jar, and replace them in the following locations:
For more information, see the SAP blog B2B Adapters – Updating to JCE Unlimited Strength Jurisdiction Policy page.
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