A header-only C++ library for verification of did:x509 identifiers.

#include <didx509cpp.h>

std::string pem_chain = ...;
std::string did = "did:x509:0:sha256:WE4P5dd8DnLHSkyHaIjhp4udlkF9LqoKwCvu9gl38jk::eku:1.3.6.1.4.1.311.10.3.13";

try {
    std::string doc = resolve(pem_chain, did));
} catch (...)
{...}
    
// Or when resolving a historical did, for example for audit purposes
    
try {
    std::string doc = resolve(pem_chain, did, true /* Ignore time */));
} catch (...)
{...}

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