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This release fixes a flaw in the OPK code that could allow content that requires HDCP 2 to output over a display connection that only supports HDCP 1. This bug would only be triggered if the WTPI implementation reports the minor version number of HDCP 1 connections. If your implementation of WTPI_CurrentHDCPCapability() ever returns HDCP_V1_0, HDCP_V1_1, HDCP_V1_2, HDCP_V1_3, or HDCP_V1_4, your device is vulnerable and you should take this patch urgently. If your implementation of WTPI_CurrentHDCPCapability() only ever returns HDCP_V1 for HDCP 1 connections or does not support HDCP 1, then your device is not affected. This release also fixes an incorrect version number in ODK.
This is the OEMCrypto git repository. It is visible to Widevine partners, and contains documentation for OEMCrypto, as well as unit tests and reference code. Several versions of OEMCrypto are available on different branches. This is the only file on the master branch. Please use the git checkout command to work with the correct version of OEMCrypto, for example, to see version 14, use the command "git checkout origin/v14". Use "git branch -a" to see a list of all branches. Contact your Widevine TAM if you are unsure which branch you should use. The latest branch might have documentation without complete unit tests or sample code.