Openssl Rsa_generate_key_ex Example

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The OpenSSL version has an outer formatting that effectively states 'this is an RSA public key', following by the actual raw public key key (which is listed as a 'bitstring' in the ASN.1 parse). If you were to parse the bitstring as ASN.1, you'd see the public key, expressed as a sequence of two integers. 网上大部分例程是使用了openssl-1.1.0e之前的版本，在该版本之前产生密钥都是使用了RSAgeneratekey； 但是在openssl-1.1.0e版本上使用RSAgeneratekey，编译阶段警告 RSAgeneratekeyis deprecated 在新版本中建议使用RSAgeneratekeyex； 产生密钥，并使用公钥加密，使用私钥解密.

Common OpenSSL Commands with Keys and Certificates

Openssl Generate Rsa Key Pair

Generate RSA private key with certificate in a single command

Generate Certificate Signing Request (CSR) from private key with passphrase

Generate RSA private key (2048 bit)

Generate a Certificate Signing Request (CSR)

Generate RSA private key (2048 bit) and a Certificate Signing Request (CSR) with a single command

Convert private key to PEM format

Openssl Rsa_public_encrypt Example

Generate a self-signed certificate that is valid for a year with sha256 hash

View details of a RSA private key

View details of a CSR

View details of a Certificate

View details of a Certificate in DER format

Convert a DER file (.crt .cer .der) to PEM

Convert a PEM file to DER

Library for working with RSA keys using Elixir and OpenSSL ports.

Installation

Outside 2.0. If available in Hex, the package can be installed as:

  • Add rsa_ex to your list of dependencies in mix.exs:
  • Ensure rsa_ex is started before your application:

Usage

  • Generate RSA 2048 Private Key
  • Generate RSA 2048 Public Key
  • Generate RSA 4096 Public Key
  • Generate RSA 2048 Private/Public Keypair
  • Generate RSA 4096 Private/Public Keypair
  • Sign message with RSA private key
  • Sign message with RSA private key specifying a custom dygest type
  • Verify signature with RSA public key
Openssl Rsa_generate_key_ex Example
  • Verify signature with RSA public key specifying a custom dygest type
  • Encrypt message with RSA public key in base64
  • Encrypt message with RSA private key in base64
  • Decrypt message with RSA private key
  • Decrypt message with RSA public key