function marshalPublicKey (jwk) {
  const byteLen = curveLengths[jwk.crv]

  return Buffer.concat([
    Buffer.from([4]), // uncompressed point
    toBn(jwk.x).toArrayLike(Buffer, 'be', byteLen),
    toBn(jwk.y).toArrayLike(Buffer, 'be', byteLen)
  ], 1 + byteLen * 2)
}
function marshalPublicKey (jwk) {
  const byteLen = curveLengths[jwk.crv]

  return Buffer.concat([
    Buffer.from([4]), 
    toBn(jwk.x).toArrayLike(Buffer, 'be', byteLen),
    toBn(jwk.y).toArrayLike(Buffer, 'be', byteLen)
  ], 1 + byteLen * 2)
}
function marshalPublicKey ( jwk ) { const byteLen = curveLengths [ jwk . crv ] return Buffer . concat ( [ Buffer . from ( [ 4 ] ) , // uncompressed point toBn ( jwk . x ) . toArrayLike ( Buffer , 'be' , byteLen ) , toBn ( jwk . y ) . toArrayLike ( Buffer , 'be' , byteLen ) ] , 1 + byteLen * 2 ) }
Marshal converts a jwk encodec ECDH public key into the form specified in section 4.3.6 of ANSI X9.62. (This is the format go-ipfs uses)
Marshal converts a jwk encodec ECDH public key into the form specified in section 4 . 3 . 6 of ANSI X9 . 62 . ( This is the format go - ipfs uses )