verifying-signatures

Go JWT signing, verifying and validating

OpenBSD tool to sign and verify signatures on files. Portable version.

Ethereum signing (off-chain) and verifying with a contract (on-chain)

1.支持国际上通用的加密算法：RSA(1024/2048)/AES(128/192/256)/3DES(DESede)/PGP/SHA-1/SHA-256/SHA-512/SHA-3/HmacSHA256/Hmac-SHA512/MD5;2.也支持国密算法：SM2/SM3/SM4/HmacSM3/HSM;3.抽象并融合了上述2套加密算法，希望对你有用

public/private key generation, signing/verification, encryption/decryption

A minimal Node.js demo for handling Razorpay webhooks, verifying signatures, and producing payment events to Kafka.

Digital Signature Development for Email: Embedding and Verifying