Demonstration of Buffer and Secure Password generating different results even when the input is the same.

BufferCompareFails.js

const sp = require('secure-password');

const pwd = sp();

var b1 = Buffer.from('Apples13');
var b2 = Buffer.from('Apples13');
var h1 = pwd.hashSync(b1);
var h2 = pwd.hashSync(b2);

var c1 = h1.toString('base64');
var c2 = h2.toString('base64');

var r1 = Buffer.from(c1, 'base64');
var r2 = Buffer.from(c2, 'base64');

console.log({
    h1,
    h2,
    c1,
    c2,
    r1,
    r2,
    compare1: Buffer.compare(b1, b2) === 0 ? "compare1 Success" : "compare1 Fail",
    compare2: Buffer.compare(r1, r2) === 0 ? "compare1 Success" : "compare1 Fail",
    verify_b1_h1: pwd.verifySync(b1, h1),
    verify_b2_h1: pwd.verifySync(b2, h1),
    verify_b1_h2: pwd.verifySync(b1, h2),
    verify_b2_h2: pwd.verifySync(b2, h2),
    verify_r1_r2: pwd.verifySync(r1, r2)
})

{ h1: <Buffer 24 61 72 67 6f 6e 32 69 64 24 76 3d 31 39 24 6d 3d 36 35 35 33 36 2c 74 3d 32 2c 70 3d 31 24 2b 4d 63 48 4c 70 31 52 4a 65 47 31 35 45 32
37 4e 41 35 ... >,
  h2: <Buffer 24 61 72 67 6f 6e 32 69 64 24 76 3d 31 39 24 6d 3d 36 35 35 33 36 2c 74 3d 32 2c 70 3d 31 24 56 47 77 59 56 42 57 76 75 41 35 75 33 49 47
31 6d 70 48 ... >,
  c1: 'JGFyZ29uMmlkJHY9MTkkbT02NTUzNix0PTIscD0xJCtNY0hMcDFSSmVHMTVFMjdOQTVWSnckK0p1TE5yREt5R3NHZUVYQ3ExcDFlUVphWWVSczRYU3RneUpDODZ5YTJmawAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=',
  c2: 'JGFyZ29uMmlkJHY9MTkkbT02NTUzNix0PTIscD0xJFZHd1lWQld2dUE1dTNJRzFtcEhSeWckd1RWbUliUmpIMWZoVFhsczZ5Q243c0dvaFB5bUo3UDhHOVpBYy9KMDh5YwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=',
  r1: <Buffer 24 61 72 67 6f 6e 32 69 64 24 76 3d 31 39 24 6d 3d 36 35 35 33 36 2c 74 3d 32 2c 70 3d 31 24 2b 4d 63 48 4c 70 31 52 4a 65 47 31 35 45 32
37 4e 41 35 ... >,
  r2: <Buffer 24 61 72 67 6f 6e 32 69 64 24 76 3d 31 39 24 6d 3d 36 35 35 33 36 2c 74 3d 32 2c 70 3d 31 24 56 47 77 59 56 42 57 76 75 41 35 75 33 49 47
31 6d 70 48 ... >,
  compare1: 'compare1 Success',
  compare2: 'compare1 Fail',
  verify_b1_h1: Symbol(VALID),
  verify_b2_h1: Symbol(VALID),
  verify_b1_h2: Symbol(VALID),
  verify_b2_h2: Symbol(VALID),
  verify_r1_r2: Symbol(INVALID) }