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a guest Jun 19th, 2019 60 Never
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  1. import * as eccrypto from 'eccrypto';
  2. import * as base58 from 'bs58';
  3.  
  4. export async function testEncryptDecyptMessage() {
  5.   const wif = "5JgbL2ZnoEAhTudReWH1RnMuQS6DBeLZt4ucV6t8aymVEuYg7sr";
  6.   const pubKey = "EOS6hMjoWRF2L8x9YpeqtUEcsDKAyxSuM1APicxgRU1E3oyV5sDEg";
  7.   const message = "secret message";
  8.  
  9.   // Last 4 of the EOS Keys are ripemd hash
  10.   const privBuffer = base58.decode(wif).slice(1, 33);
  11.   const pubBuffer = base58.decode(pubKey.slice(3)).slice(0, 33);
  12.  
  13.   // Encrypting the message for B.
  14.   const encrypted = await eccrypto.encrypt(pubBuffer, Buffer.from(message));
  15.  
  16.   // Decrypting the message.
  17.   const msgBuffer = await eccrypto.decrypt(privBuffer, encrypted);
  18.  
  19.   console.log("Decrypted Message:", msgBuffer.toString());
  20. }
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