[openssl-dev] [openssl.org #4643] [patch] pass EVP_MD to engines verifyctx_init and signctx_init

[Schüller Felix via RT]

Hello,

for some engine-implementations one needs the possibility to change the EVP_MD used in signctx_init and verifyctx_init.
(because different EVP_MD are needed for standalone calculating of the digest and calculating the digest during signature-operations.)
This is only possible if a pointer-pointer is passed through the calls. The attached patch (against 1.1.0-pre6) realises this. 

Kind regards

  Felix Schüller


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