16238145859

Committed 12 Jul 2025 12:46PM UTC coverage: 84.857% (-6.3%) from 91.134%

Build # 16238145859

Build Type

Pull #12

github

Committed by

web-flow

Commit Message

Merge fe4ab825d into 5ce1049c0

Pull Request Pull Request #12: WIP: Add montgomery

Run Details

270 of 376 new or added lines in 17 files covered. (71.81%)

2 existing lines in 1 file now uncovered.

947 of 1116 relevant lines covered (84.86%)

23.02 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

0.0

/src/Serializer/Decoder/RFC7784Decoder.php

1	<?php
2
3	namespace Famoser\Elliptic\Serializer\Decoder;
4
5	/**
6	* implements the decoding described in RFC 7784
7	*/
8	class RFC7784Decoder
9	{
10	/**
11	* @return int[]
12	*/
NEW 13	private function decodeHexToBytes(string $hex): array	×
14	{
NEW 15	$cleanedHex = preg_replace('/\s+/', '', $hex);	×
16
17	/** @phpstan-ignore-next-line */
NEW 18	$list = unpack('C*', hex2bin($cleanedHex));	×
19
20	/** @var int[]\|false $list */
NEW 21	if (!$list) {	×
NEW 22	throw new \InvalidArgumentException('Invalid hex string');	×
23	}
24
NEW 25	return array_values($list);	×
26	}
27
28	/**
29	* @param int[] $b
30	*/
NEW 31	private function decodeLittleEndian(array $b, int $bits): \GMP	×
32	{
NEW 33	$sum = gmp_init(0);	×
NEW 34	$bytes = intdiv($bits + 7, 8);	×
35
NEW 36	for ($i = 0; $i < $bytes; $i++) {	×
NEW 37	$value = gmp_mul(gmp_init($b[$i]), gmp_pow(2, 8 * $i));	×
NEW 38	$sum = gmp_add($sum, $value);	×
39	}
40
NEW 41	return $sum;	×
42	}
43
NEW 44	public function decodeUCoordinate(string $uHex, int $bits): \GMP	×
45	{
NEW 46	$u_list = $this->decodeHexToBytes($uHex);	×
47
48	// Ignore any unused bits
NEW 49	if ($bits % 8) {	×
NEW 50	$u_list[count($u_list) - 1] &= (1 << ($bits % 8)) - 1;	×
51	}
52
NEW 53	return $this->decodeLittleEndian($u_list, $bits);	×
54	}
55
NEW 56	public function decodeScalar25519(string $k): \GMP	×
57	{
NEW 58	$k_list = $this->decodeHexToBytes($k);	×
59
60	// Apply the bit masks
NEW 61	$k_list[0] &= 248;	×
NEW 62	$k_list[31] &= 127;	×
NEW 63	$k_list[31] \|= 64;	×
64
NEW 65	return $this->decodeLittleEndian($k_list, 255);	×
66	}
67
NEW 68	public function decodeScalar448(string $k): \GMP	×
69	{
NEW 70	$k_list = $this->decodeHexToBytes($k);	×
71
72	// Apply the bit masks
NEW 73	$k_list[0] &= 252;	×
NEW 74	$k_list[55] \|= 128;	×
75
NEW 76	return $this->decodeLittleEndian($k_list, 448);	×
77	}
78	}

famoser / elliptic / 16238145859

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous