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To avoid any Java cryptography limitations, we recommend that you use at least Atlassian Jira 7.13.1 (ships with Java 1.8.0 _181) and Atlassian Confluence 6.13.1 (ships with Java 1.8.0_162). Older versions of Jira and Confluence are now out of maintenance anyway, so you should not be affected any more by any of the limitations explained on this page. |
Background
Oracle used to ship Java with limited cryptography support. Up to Java 1.8, encryption was limited to a maximum key length of 128 bits by default. Beginning with Java 1.9, Oracle ships Java with unlimited cryptography. However, to make things a bit more complicated, support of unlimited cryptography has been back-ported to Java 1.8 in update 162. But even before that, support was there, but hidden, or not there, but could be added by updating policy files. Please read below for details about which version requires which steps to enable unlimited cryptography.
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