src/sha_dev.js
function sigma0_64(x)
	{
		var rotr28 = rotr_64(x, 28), rotr34 = rotr_64(x, 34),
			rotr39 = rotr_64(x, 39);

		return new Int_64(
				rotr28.highOrder ^ rotr34.highOrder ^ rotr39.highOrder,
				rotr28.lowOrder ^ rotr34.lowOrder ^ rotr39.lowOrder);
	}
function sigma0_64(x)
	{
		var rotr28 = rotr_64(x, 28), rotr34 = rotr_64(x, 34),
			rotr39 = rotr_64(x, 39);

		return new Int_64(
				rotr28.highOrder ^ rotr34.highOrder ^ rotr39.highOrder,
				rotr28.lowOrder ^ rotr34.lowOrder ^ rotr39.lowOrder);
	}
function sigma0_64 ( x ) { var rotr28 = rotr_64 ( x , 28 ) , rotr34 = rotr_64 ( x , 34 ) , rotr39 = rotr_64 ( x , 39 ) ; return new Int_64 ( rotr28 . highOrder ^ rotr34 . highOrder ^ rotr39 . highOrder , rotr28 . lowOrder ^ rotr34 . lowOrder ^ rotr39 . lowOrder ) ; }
The 64-bit implementation of the NIST specified Sigma0 function

@private
@param {Int_64} x The 64-bit integer argument
@return {Int_64} The NIST specified output of the function
The 64 - bit implementation of the NIST specified Sigma0 function