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(C++) BCrypt Verify a Password (Check if Password is Correct)A system that uses BCrypt for storing passwords would not store the actual password, but would instead store the bcrypt hash of the password. When a user presents the password, such as for login, call BCryptVerify to verify the password against the stored bcrypt hash. Note: This example requires Chilkat v9.5.0.65 or greater.
#include <CkCrypt2.h> void ChilkatSample(void) { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkCrypt2 crypt; const char *storedHash = "$2a$10$H5kIVktMGzAPKGKNAe9DVu0iwEqfhv/o4MMJ/Dzw/MPy1leOE9NOK"; const char *password = "mySecretPassword"; bool passwordValid = crypt.BCryptVerify(password,storedHash); if (passwordValid == true) { std::cout << password << " is valid." << "\r\n"; } else { std::cout << password << " is NOT valid." << "\r\n"; } password = "notAValidPassword"; passwordValid = crypt.BCryptVerify(password,storedHash); if (passwordValid == true) { std::cout << password << " is valid." << "\r\n"; } else { std::cout << password << " is NOT valid." << "\r\n"; } // Output should be: // mySecretPassword is valid. // notAValidPassword is NOT valid. } |
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