Fix potential leak in RSA method #350
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Um, sorry, but it looks that you haven't actually merged changes from this PR. #352 was a separate issue. |
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Some OpenSSL functions (e.g.
pkey_rsa_encrypt()) may cache some information inside anRSAobject. See alsorsa_ossl_finish()in OpenSSL sources.libp11 has not been properly freeing those, causing a memory leak. This might be a problem if libp11 is registered as the default RSA method (
ENGINE_register_RSA(),ENGINE_set_default_RSA()), which is especially possible if e.g.OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN, NULL)has been called, like SoftHSM does.