wycheproof

You can validate cryptographic implementations by testing them against known attack vectors and edge cases using a comprehensive suite of test vectors. This verifies the correctness and security of algorithms like AES-GCM, ECDSA, and RSA.

Test vectors are JSON files used to verify that cryptographic code correctly handles known vulnerabilities and attack patterns. They provide specific inputs and expected outputs to ensure implementations like digital signatures are robust against common attacks.

Yes, you can test AES-GCM and ECDSA algorithms using Python or JavaScript. The validation process requires parsing JSON test vector files and implementing testing harnesses in either language to execute the cryptographic validation checks.

You load AES-GCM test vectors by parsing the 'aes_gcm_test.json' file to extract inputs and expected outputs. You then feed these parsed vectors into your custom testing harness to validate your symmetric encryption implementation.

You need to use test vectors for digital signature verification when developing or auditing crypto libraries like a new TLS implementation. This ensures your signature verification logic is robust against common edge cases and attacks.