fingerprint.h

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#pragma once
 
#include <cstddef>
#include <cstdint>
 
namespace cdc::mod_gpg {

bool calculateFingerprintV4(uint8_t curve,
                            const uint8_t* pubkey, size_t pubkey_len,
                            uint32_t created_at,
                            uint8_t out_fp[20]);

bool calculateFingerprintV5(uint8_t curve,
                            const uint8_t* pubkey, size_t pubkey_len,
                            uint32_t created_at,
                            uint8_t out_fp[32]);

bool gpgCrossSignDigest(const uint8_t fp_v4[20],
                        const char* user_id,
                        uint8_t out_hash[32]);
 
} // namespace cdc::mod_gpg