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24-Feb-2014 |
Kenny Root <kroot@google.com> |
Fix up concurrent use of APIs
Code that is incorrectly using MessageDigest, Signature, or Mac in
multiple threads simultaneously could cause a SEGV if OpenSSL is
clearing out the MD_CTX at the same time another thread is trying to
write to it. Make sure we initialize a new MD_CTX after each run to
avoid crashing. The program using the instances concurrently is still
wrong and will most likely get inconsistent results.
Switch to using a context object instance to make sure we can hold a
reference to the object during the native call.
Bug: 8787753
Change-Id: I2518613a47cf03c811a29d17040804fc708394dd
/external/conscrypt/src/main/java/org/conscrypt/OpenSSLNativeReference.java
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