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The Signing Data with CNG example, shows how to sign and verify using ECDSA.
I changed the code:
BCRYPT_ECDSA_P256_ALGORITHM to BCRYPT_ECDH_P256_ALGORITHM
NCRYPT_ECDSA_P256_ALGORITHM to NCRYPT_ECDH_P256_ALGORITHM
However, the signature verification fails. I can not imagine why it does not work.
I am using Windows 7 64 bits; Visual Studio 2010; Debug; win32 mode.
Articles are very welcome.
ECDH is not a signature algorithm. Therefore, you cannot sign with it.