switch d.function {
	case crypto.SHA512_224:
		return Size224
	case crypto.SHA512_256:
		return Size256
	case crypto.SHA384:
		return Size384
	default:
		return Size
	}
}

func (d *digest) BlockSize() int { return BlockSize }

func (d *digest) Write(p []byte) (nn int, err error) {
	if d.function != crypto.SHA512_224 && d.function != crypto.SHA512_256 {
		boring.Unreachable()
	}

		return "RIPEMD-160"
	case SHA3_224:
		return "SHA3-224"
	case SHA3_256:
		return "SHA3-256"
	case SHA3_384:
		return "SHA3-384"
	case SHA3_512:
		return "SHA3-512"
	case SHA512_224:
		return "SHA-512/224"
	case SHA512_256:
		return "SHA-512/256"
	case BLAKE2s_256:
		return "BLAKE2s-256"
	case BLAKE2b_256:
		return "BLAKE2b-256"
	case BLAKE2b_384:
		return "BLAKE2b-384"
	case BLAKE2b_512:

	{"sha512_224", sha512.New512_224, fromHex("736861056f1a450ec15af20572d0d1ee6518104d7cbbbe79a038557af5450ed7dbd420b53b7335209e951b4d9aff401f90549b9604fa3d823fbb8581c73582a88aa84022808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6...