const crypto/sha512.magic512_224

4 uses

	crypto/sha512 (current package)
		sha512.go#L135: 	magic512_224  = "sha\x05"
		sha512.go#L147: 		b = append(b, magic512_224...)
		sha512.go#L175: 	case d.function == crypto.SHA512_224 && string(b[:len(magic512_224)]) == magic512_224: