d.h[4] = init4_224 d.h[5] = init5_224 d.h[6] = init6_224 d.h[7] = init7_224 } d.nx = 0 d.len = 0 } // New returns a new Digest computing the SHA-256 hash. func New() *Digest { d := new(Digest) d.Reset() return d } // New224 returns a new Digest computing the SHA-224 hash. func New224() *Digest { d := new(Digest) d.is224 = true d.Reset() return d } func (d *Digest) Size() int { if !d.is224 { return size } return size224 } func (d *Digest) BlockSize() int { return blockSize } func (d *Digest) Write(p...