As3Crypto 介绍
As3 Crypto 是一个 ActionScript 编写的加密库，提供多种常用的加密解密算法支持，同时包含一个 TLS 引擎：
- Protocols: TLS 1.0 support (partial)
- Certificates: X.509 Certificate parsing and validation, built-in Root CAs.
- Public Key Encryption: RSA (encrypt/decrypt, sign/verify)
- Secret Key Encryption: AES, DES, 3DES, BlowFish, XTEA, RC4
- Confidentiality Modes: ECB, CBC, CFB, CFB8, OFB, CTR
- Hashing Algorithms: MD2, MD5, SHA-1, SHA-224, SHA-256
- Paddings available: PKCS#5, PKCS#1 type 1 and 2
- Other Useful Stuff: HMAC, Random, TLS-PRF, some ASN-1/DER parsing