a:
  passphrase: 'p1'
  sign_passphrase: 'sp1'
  salt: 's1'
  prefix: ENVAULT_

a1:
  sign_passphrase: 'sp1'
  salt: 's1'
  prefix: ENVAULT_

a2:
  passphrase: 'p1'
  prefix: ENVAULT_

a3:
  passphrase: 'p1'
  sign_passphrase: 'sp1'
  prefix: ENVAULT_

a4:
  passphrase: 'p1'
  salt: 's1'
  prefix: ENVAULT_

a5:
  salt: 's1'
  prefix: ENVAULT_

b:
  passphrase: 'p2'
  sign_passphrase: 'sp2'
  salt: 's2'
  prefix: ENVAULT_