SYS_EPOLL_CTL               = 237
	SYS_EPOLL_WAIT              = 238
	SYS_REMAP_FILE_PAGES        = 239
	SYS_TIMER_CREATE            = 240
	SYS_TIMER_SETTIME           = 241
	SYS_TIMER_GETTIME           = 242
	SYS_TIMER_GETOVERRUN        = 243
	SYS_TIMER_DELETE            = 244
	SYS_CLOCK_SETTIME           = 245
	SYS_CLOCK_GETTIME           = 246
	SYS_CLOCK_GETRES            = 247
	SYS_CLOCK_NANOSLEEP         = 248

	SYS_SET_MEMPOLICY           = 237
	SYS_MIGRATE_PAGES           = 238
	SYS_MOVE_PAGES              = 239
	SYS_RT_TGSIGQUEUEINFO       = 240
	SYS_PERF_EVENT_OPEN         = 241
	SYS_ACCEPT4                 = 242
	SYS_RECVMMSG                = 243
	SYS_ARCH_SPECIFIC_SYSCALL   = 244
	SYS_RISCV_HWPROBE           = 258
	SYS_RISCV_FLUSH_ICACHE      = 259
	SYS_WAIT4                   = 260
	SYS_PRLIMIT64               = 261

	IPV6_RECVHOPLIMIT                = 0x33
	IPV6_RECVHOPOPTS                 = 0x35
	IPV6_RECVPKTINFO                 = 0x31
	IPV6_RECVRTHDR                   = 0x38
	IPV6_RECVTCLASS                  = 0x42
	IPV6_ROUTER_ALERT                = 0x16
	IPV6_RTHDR                       = 0x39
	IPV6_RTHDRDSTOPTS                = 0x37
	IPV6_RTHDR_LOOSE                 = 0x0
	IPV6_RTHDR_STRICT                = 0x1

	IPPROTO_RESERVED_253           = 0xfd
	IPPROTO_RESERVED_254           = 0xfe
	IPPROTO_ROUTING                = 0x2b
	IPPROTO_RSVP                   = 0x2e
	IPPROTO_RVD                    = 0x42
	IPPROTO_SATEXPAK               = 0x40
	IPPROTO_SATMON                 = 0x45
	IPPROTO_SCCSP                  = 0x60
	IPPROTO_SCTP                   = 0x84
	IPPROTO_SDRP                   = 0x2a

	IPV6_RECVORIGDSTADDR              = 0x4a
	IPV6_RECVPATHMTU                  = 0x3c
	IPV6_RECVPKTINFO                  = 0x31
	IPV6_RECVRTHDR                    = 0x38
	IPV6_RECVTCLASS                   = 0x42
	IPV6_ROUTER_ALERT                 = 0x16
	IPV6_ROUTER_ALERT_ISOLATE         = 0x1e
	IPV6_RTHDR                        = 0x39
	IPV6_RTHDRDSTOPTS                 = 0x37
	IPV6_RTHDR_LOOSE                  = 0x0

	SO_RCVBUFFORCE                   = 0x21
	SO_RCVLOWAT                      = 0x10
	SO_RCVMARK                       = 0x4b
	SO_RCVTIMEO                      = 0x12
	SO_RCVTIMEO_NEW                  = 0x42
	SO_RCVTIMEO_OLD                  = 0x12
	SO_RESERVE_MEM                   = 0x49
	SO_REUSEADDR                     = 0x2
	SO_REUSEPORT                     = 0xf
	SO_RXQ_OVFL                      = 0x28

	0x14, 0x9f, 0x74, 0x1a, 0x9a, 0x78, 0x5a, 0xb1, 0x6b, 0x71, 0x18, 0x95, 0x2a, 0x19, 0x05, 0x2d,
	0x1a, 0x51, 0x48, 0x68, 0xb5, 0x42, 0x2b, 0x38, 0x35, 0xb0, 0xb0, 0x48, 0xcb, 0x6e, 0xe5, 0x56,
	0x42, 0x5a, 0x71, 0xc0, 0x93, 0xb8, 0x19, 0xd3, 0x26, 0x8e, 0x62, 0x77, 0xa4, 0xb9, 0xf1, 0x0d,
	0xe0, 0xb3, 0xf0, 0x15, 0x90, 0x50, 0x8f, 0x7b, 0xdc, 0x53, 0xc4, 0x84, 0x6f, 0xb1, 0x27, 0x64,

		// In tests, rand will return all zeros and NewPrivateKey will reject
		// the zero key as it generates the identity as a public key. This also
		// makes this function consistent with crypto/elliptic.GenerateKey.
		key[1] ^= 0x42

		k, err := c.NewPrivateKey(key)
		if err == errInvalidPrivateKey {
			continue
		}
		return k, err
	}
}

func (c *nistCurve[Point]) NewPrivateKey(key []byte) (*PrivateKey, error) {

	SYS_TKILL                        = 238
	SYS_SENDFILE64                   = 239
	SYS_FUTEX                        = 240
	SYS_SCHED_SETAFFINITY            = 241
	SYS_SCHED_GETAFFINITY            = 242
	SYS_SET_THREAD_AREA              = 243
	SYS_GET_THREAD_AREA              = 244
	SYS_IO_SETUP                     = 245
	SYS_IO_DESTROY                   = 246
	SYS_IO_GETEVENTS                 = 247

	SYS_TKILL                        = 238
	SYS_SENDFILE64                   = 239
	SYS_FUTEX                        = 240
	SYS_SCHED_SETAFFINITY            = 241
	SYS_SCHED_GETAFFINITY            = 242
	SYS_IO_SETUP                     = 243
	SYS_IO_DESTROY                   = 244
	SYS_IO_GETEVENTS                 = 245
	SYS_IO_SUBMIT                    = 246
	SYS_IO_CANCEL                    = 247