bob-bolijun/cryptography

Using openssl and mbedtls to learn the cryptography.

Cryptography Demo

The demo of cryptography. Haochen mate's reinvent the wheel.

The content as follows:

• DRBG random number:

  • 1.1 ctr drbg
  • 1.2 hash drbg
  • 1.3 hmac drbg

• HASH and SHA

  • 2.1 MD5
  • 2.2 SHA224/SHA256/SHA384/SHA512

• ACA Asymmetric crypto

  • 3.1 RSA pkcs#1 en/de
  • 3.2 RSA pkcs#8 en/de
  • 3.3 RSA pkcs#1 sign/verify
  • 3.4 RSA pkcs#8 sign/verify
  • 3.5 ECC en/de
  • 3.6 ECC (ECDSA）
  • 3.7 SM2 en/de
  • 3.8 DH share key
  • 3.9 ECDH share key

• x509 CA

  • 4.1 csr file
  • 4.2 crt file
  • 4.3 ssl com (not finish)

• SCA Symmetric crypto <<<<<----- at present

  • 5.1 AES <-
  • Camellia
  • DES/3DES
  • GCM
  • CCM
  • Chacha20

ECDH reference:

• https://tools.ietf.org/html/rfc7748#page-4
• Weierstrass Curve(secp256r1 etc):
• Montgomery Curve(curve25519+curve448): https://learnblockchain.cn/article/1641
• Edwards Curve(adwards22519 etc): https://blog.csdn.net/mutourend/article/details/98597316
• 椭圆曲线的压缩和非压缩秘钥:https://ld246.com/article/1550844562914
• https://blog.wandoer.com/note/%E4%BD%BF%E7%94%A8-openssl-%E8%BF%9B%E8%A1%8C-dh-%E5%AF%86%E9%92%A5%E4%BA%A4%E6%8D%A2.htm

X509 reference:

https://www.jianshu.com/p/a9497de4cbff https://www.cnblogs.com/milton/archive/2004/01/13/11076925.html