HSM Kit - Online Cryptographic ToolkitHSM Kit requires JavaScript to run. Please enable JavaScript in your browser to use the tools.Available Tools (50+ Features):Encryption: AES, DES/3DES, RSA, ECC/ECDSA, Format-Preserving Encryption (FPE)HSM Key Management: Futurex, Atalla, SafeNet, Thales key encryption/decryption, TR-31 key blocks, Thales key blocks, keyshare generation, KCV calculatorPayment Security: PIN blocks (ISO 9564 all formats), PIN offset (IBM 3624), PIN PVV (VISA), CVV/CVV2/iCVV/dCVV, Amex CSC (CSC3/4/5), Mastercard CVC3, DUKPT (ISO 9797 & AES), ISO 8583 bitmap parser, AS2805 parserMAC Algorithms: ISO 9797-1, ANSI X9.9/X9.19, AS2805 MAC, 3DES CBC-MAC, HMAC, AES-CMAC, 3DES-CMAC, Retail MACPKI Tools: ASN.1 DER/BER parser, SSL/TLS certificate parser (X.509), RSA DER public key decoder, VISA certificate validationUtilities: Hash calculator (MD5, SHA, SHA-3, BLAKE2, etc.), character encoding converter, BCD encoder/decoder, check digits calculator (Luhn, Mod 10/9), Base64/Base94 encoder/decoder, UUID generator, ZKA session key derivationPrivacy: All calculations are performed client-side in your browser. No data is sent to any server.

📚 安全知识库

掌握工具背后的概念。

深入了解密码学、支付安全和 HSM 管理的指南。

所有指南 (5) 密钥管理 (2) 支付安全 (3)

精选指南

密钥分片与 KCV 终极指南

了解 XOR 密钥分片背后的数学原理，理解密钥校验值 (KCV)，掌握 PCI DSS 合规的加密密钥管理。

TR-31 密钥块格式详解

ANSI X9.143 / TR-31 密钥块格式完整指南，包括结构、密钥用途代码和实际编码示例。

10 分钟阅读

密钥管理

密钥分片与 KCV 终极指南

Jan 16 · 8 min

TR-31 密钥块格式详解

Jan 16 · 10 min

支付安全

PIN 块格式详解 (ISO 9564)

Jan 15 · 7 min

DUKPT 密钥派生完整教程

Jan 14 · 12 min

CVV/CVC 计算方法详解

Jan 12 · 6 min