EVP Signing and Verifying

Thomas Dwyer III tomiii at tomiii.com
Mon Apr 27 19:51:10 UTC 2020


The first signing example at
https://wiki.openssl.org/index.php/EVP_Signing_and_Verifying explicitly
calls both EVP_DigestInit_ex() and EVP_DigestSignInit(). Is the former
really necessary? It appears that the implementation of EVP_DigestSignInit()
in all versions of OpenSSL internally invokes EVP_DigestInit_ex() so I'm
confused by this example. Did I miss something?


Thanks,
Tom.III
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