shithub: mc

ref: de1eabd91024f360845dfe7382581e0acbc368e1
dir: /lib/crypto/test/ctbig.myr/

use std
use crypto
use testr

const Nbit = 128
const Nfunky = 79

const main = {
	testr.run([
		[.name="clip", .fn={ctx
			var v = [
				.nbit=32,
				.dig=[0xffffffff][:]
			]
			crypto.clip(&v)
			testr.eq(ctx, v.dig[0], 0xffffffff)
			v = [
				.nbit=31,
				.dig=[0xffffffff][:]
			]
			crypto.clip(&v)
			testr.eq(ctx, v.dig[0], 0x7fffffff)
		}],
		[.name="mkbig-le", .fn={ctx
			docvt(ctx, crypto.mkctbigle, Nbit,
				"6618611909121",
				"\x01\x02\x03\x04\x05\x06")
		}],
		[.name="mkbig-be", .fn={ctx
			docvt(ctx, crypto.mkctbigbe, Nbit,
				"1108152157446",
				"\x00\x01\x02\x03\x04\x05\x06")
		}],
		/* normal */
		[.name="add", .fn={ctx
			do2(ctx, crypto.ctadd, Nbit,
				"5192296858610368357189246603769160",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="sub", .fn={ctx
			do2(ctx, crypto.ctsub, Nbit,
				"5192296858459252629770411284885280",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="mul", .fn={ctx
			do2(ctx, crypto.ctmul, Nbit,
				"392318858376010676506814412592879878824393346033951606800",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="growmod", .fn={ctx
			do2(ctx, growmod0, Nbit,
				"259016584597313952181375284077740334036",
				"137304361882109849168381018424069802644",
				"279268927326277818181333274586733399084")
		}],
		/* comparisons */
		[.name="lt-less", .fn={ctx
			dobool(ctx, crypto.ctlt, Nbit,
				true,
				"137304361882109849168381018424069802644",
				"279268927326277818181333274586733399084")
		}],
		[.name="lt-equal", .fn={ctx
			dobool(ctx, crypto.ctlt, Nbit,
				false,
				"137304361882109849168381018424069802644",
				"137304361882109849168381018424069802644")
		}],
		[.name="lt-greater", .fn={ctx
			dobool(ctx, crypto.ctlt, Nbit,
				false,
				"279268927326277818181333274586733399084",
				"137304361882109849168381018424069802644")
		}],
		[.name="gt-less", .fn={ctx
			dobool(ctx, crypto.ctgt, Nbit,
				false,
				"137304361882109849168381018424069802644",
				"279268927326277818181333274586733399084")
		}],
		[.name="gt-equal", .fn={ctx
			dobool(ctx, crypto.ctgt, Nbit,
				false,
				"137304361882109849168381018424069802644",
				"137304361882109849168381018424069802644")
		}],
		[.name="gt-greater", .fn={ctx
			dobool(ctx, crypto.ctgt, Nbit,
				true,
				"279268927326277818181333274586733399084",
				"137304361882109849168381018424069802644")
		}],
		[.name="growmodsmall", .fn={ctx
			do2(ctx, growmod0, Nbit,
				"30064771072",
				"7",
				"279268927326277818181333274586733399084")
		}],
		[.name="addfunky", .fn={ctx
			do2(ctx, crypto.ctadd, Nfunky,
				"75540728658750274549064",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="subfunky", .fn={ctx
			do2(ctx, crypto.ctsub, Nfunky,
				"528887911047229543018272",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="mulfunky", .fn={ctx
			do2(ctx, crypto.ctmul, Nfunky,
				"434472066238453871708176",
				"5192296858534810493479828944327220", 
				"75557863709417659441940")
		}],
		[.name="modpow-nop", .fn={ctx
			do3(ctx, crypto.ctmodpow, Nbit,
				"1231231254019581241243091223098123",
				"1231231254019581241243091223098123",
				"1",
				"238513807008428752753137056878245001837")
		}],
		[.name="modpow-small", .fn={ctx
			do3(ctx, crypto.ctmodpow, Nbit,
				"190803258902817973474500147337505443108",
				"1231231254019581241243091223098123",
				"7",
				"238513807008428752753137056878245001837")
		}],
		[.name="modpow", .fn={ctx
			do3(ctx, crypto.ctmodpow, Nbit,
				"134487661739548107356399382114451163287",
				"1231231254019581241243091223098123",
				"312312091230",
				"238513807008428752753137056878245001837")
		}],
	][:])
}

const growmod0 = {r, a, b
	crypto.growmod(r, a, 0, b)
}

const dobool = {ctx, op, nbit, e, astr, bstr
	var r, a, ai, b, bi

	r = crypto.ctzero(nbit)
	ai = std.get(std.bigparse(astr))
	bi = std.get(std.bigparse(bstr))
	a = crypto.big2ct(ai, nbit)
	b = crypto.big2ct(bi, nbit)

	std.bigfree(ai)
	std.bigfree(bi)
	testr.eq(ctx, op(a, b), e)

	crypto.ctfree(a)
	crypto.ctfree(b)
}

const docvt = {ctx, op, nbit, estr, buf
	var v, e, ei

	ei = std.get(std.bigparse(estr))
	e = crypto.big2ct(ei, nbit)
	std.bigfree(ei)

	v = op(buf, nbit)
	testr.eq(ctx, v, e)

	crypto.ctfree(e)
	crypto.ctfree(v)
}

const do2 = {ctx, op, nbit, estr, astr, bstr
	var r, a, ai, b, bi, e, ei

	r = crypto.ctzero(nbit)
	ei = std.get(std.bigparse(estr))
	ai = std.get(std.bigparse(astr))
	bi = std.get(std.bigparse(bstr))
	e = crypto.big2ct(ei, nbit)
	a = crypto.big2ct(ai, nbit)
	b = crypto.big2ct(bi, nbit)

	std.bigfree(ei)
	std.bigfree(ai)
	std.bigfree(bi)

	op(r, a, b)

	testr.eq(ctx, r, e)

	crypto.ctfree(r)
	crypto.ctfree(e)
	crypto.ctfree(a)
	crypto.ctfree(b)
}


const do3 = {ctx, op, nbit, estr, astr, bstr, cstr
	var r, a, ai, b, bi, c, ci, e, ei

	r = crypto.ctzero(nbit)
	ei = std.get(std.bigparse(estr))
	ai = std.get(std.bigparse(astr))
	bi = std.get(std.bigparse(bstr))
	ci = std.get(std.bigparse(cstr))
	e = crypto.big2ct(ei, nbit)
	a = crypto.big2ct(ai, nbit)
	b = crypto.big2ct(bi, nbit)
	c = crypto.big2ct(ci, nbit)

	std.bigfree(ei)
	std.bigfree(ai)
	std.bigfree(bi)

	op(r, a, b, c)

	testr.eq(ctx, r, e)

	crypto.ctfree(r)
	crypto.ctfree(e)
	crypto.ctfree(a)
	crypto.ctfree(b)
	crypto.ctfree(c)
}