add plibsys

1 files changed, 273 insertions, 0 deletions

diff --git a/3rdparty/plibsys/src/pcryptohash-md5.c b/3rdparty/plibsys/src/pcryptohash-md5.c
new file mode 100644
index 0000000..ee09033
--- /dev/null
+++ b/3rdparty/plibsys/src/pcryptohash-md5.c
@@ -0,0 +1,273 @@
+/*
+ * The MIT License
+ *
+ * Copyright (C) 2010-2016 Alexander Saprykin <saprykin.spb@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "pmem.h"
+#include "pcryptohash-md5.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+struct PHashMD5_ {
+	union buf_ {
+		puchar	buf[64];
+		puint32	buf_w[16];
+	} buf;
+	puint32		hash[4];
+
+	puint32		len_high;
+	puint32		len_low;
+};
+
+static const puchar pp_crypto_hash_md5_pad[64] = {
+	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static void pp_crypto_hash_md5_swap_bytes (puint32 *data, puint words);
+static void pp_crypto_hash_md5_process (PHashMD5 *ctx, const puint32 data[16]);
+
+#define P_MD5_ROTL(val, shift) ((val) << (shift) |  (val) >> (32 - (shift)))
+
+#define P_MD5_F(x, y, z) (z ^ (x & (y ^ z)))
+#define P_MD5_G(x, y, z) P_MD5_F (z, x, y)
+#define P_MD5_H(x, y, z) (x ^ y ^ z)
+#define P_MD5_I(x, y, z) (y ^ (x | (~z)))
+
+#define P_MD5_ROUND_0(a, b, c, d, k, i, s)				\
+	a += P_MD5_F (b, c, d) + data[k] + i, a = P_MD5_ROTL (a, s) + b
+
+#define P_MD5_ROUND_1(a, b, c, d, k, i, s)				\
+	a += P_MD5_G (b, c, d) + data[k] + i, a = P_MD5_ROTL (a, s) + b
+
+
+#define P_MD5_ROUND_2(a, b, c, d, k, i, s)				\
+	a += P_MD5_H (b, c, d) + data[k] + i, a = P_MD5_ROTL (a, s) + b
+
+#define P_MD5_ROUND_3(a, b, c, d, k, i, s)				\
+	a += P_MD5_I (b, c, d) + data[k] + i, a = P_MD5_ROTL (a, s) + b
+
+static void
+pp_crypto_hash_md5_swap_bytes (puint32	*data,
+			       puint	words)
+{
+#ifndef PLIBSYS_IS_BIGENDIAN
+	P_UNUSED (data);
+	P_UNUSED (words);
+#else
+	while (words-- > 0) {
+		*data = PUINT32_TO_LE (*data);
+		++data;
+	}
+#endif
+}
+
+static void
+pp_crypto_hash_md5_process (PHashMD5		*ctx,
+			    const puint32	data[16])
+{
+	puint32	A, B, C, D;
+
+	A = ctx->hash[0];
+	B = ctx->hash[1];
+	C = ctx->hash[2];
+	D = ctx->hash[3];
+
+	P_MD5_ROUND_0 (A, B, C, D, 0,  0xD76AA478,  7);
+	P_MD5_ROUND_0 (D, A, B, C, 1,  0xE8C7B756, 12);
+	P_MD5_ROUND_0 (C, D, A, B, 2,  0x242070DB, 17);
+	P_MD5_ROUND_0 (B, C, D, A, 3,  0xC1BDCEEE, 22);
+	P_MD5_ROUND_0 (A, B, C, D, 4,  0xF57C0FAF,  7);
+	P_MD5_ROUND_0 (D, A, B, C, 5,  0x4787C62A, 12);
+	P_MD5_ROUND_0 (C, D, A, B, 6,  0xA8304613, 17);
+	P_MD5_ROUND_0 (B, C, D, A, 7,  0xFD469501, 22);
+	P_MD5_ROUND_0 (A, B, C, D, 8,  0x698098D8,  7);
+	P_MD5_ROUND_0 (D, A, B, C, 9,  0x8B44F7AF, 12);
+	P_MD5_ROUND_0 (C, D, A, B, 10, 0xFFFF5BB1, 17);
+	P_MD5_ROUND_0 (B, C, D, A, 11, 0x895CD7BE, 22);
+	P_MD5_ROUND_0 (A, B, C, D, 12, 0x6B901122,  7);
+	P_MD5_ROUND_0 (D, A, B, C, 13, 0xFD987193, 12);
+	P_MD5_ROUND_0 (C, D, A, B, 14, 0xA679438E, 17);
+	P_MD5_ROUND_0 (B, C, D, A, 15, 0x49B40821, 22);
+
+	P_MD5_ROUND_1 (A, B, C, D, 1,  0xF61E2562,  5);
+	P_MD5_ROUND_1 (D, A, B, C, 6,  0xC040B340,  9);
+	P_MD5_ROUND_1 (C, D, A, B, 11, 0x265E5A51, 14);
+	P_MD5_ROUND_1 (B, C, D, A, 0,  0xE9B6C7AA, 20);
+	P_MD5_ROUND_1 (A, B, C, D, 5,  0xD62F105D,  5);
+	P_MD5_ROUND_1 (D, A, B, C, 10, 0x02441453,  9);
+	P_MD5_ROUND_1 (C, D, A, B, 15, 0xD8A1E681, 14);
+	P_MD5_ROUND_1 (B, C, D, A, 4,  0xE7D3FBC8, 20);
+	P_MD5_ROUND_1 (A, B, C, D, 9,  0x21E1CDE6,  5);
+	P_MD5_ROUND_1 (D, A, B, C, 14, 0xC33707D6,  9);
+	P_MD5_ROUND_1 (C, D, A, B, 3,  0xF4D50D87, 14);
+	P_MD5_ROUND_1 (B, C, D, A, 8,  0x455A14ED, 20);
+	P_MD5_ROUND_1 (A, B, C, D, 13, 0xA9E3E905,  5);
+	P_MD5_ROUND_1 (D, A, B, C, 2,  0xFCEFA3F8,  9);
+	P_MD5_ROUND_1 (C, D, A, B, 7,  0x676F02D9, 14);
+	P_MD5_ROUND_1 (B, C, D, A, 12, 0x8D2A4C8A, 20);
+
+	P_MD5_ROUND_2 (A, B, C, D, 5,  0xFFFA3942,  4);
+	P_MD5_ROUND_2 (D, A, B, C, 8,  0x8771F681, 11);
+	P_MD5_ROUND_2 (C, D, A, B, 11, 0x6D9D6122, 16);
+	P_MD5_ROUND_2 (B, C, D, A, 14, 0xFDE5380C, 23);
+	P_MD5_ROUND_2 (A, B, C, D, 1,  0xA4BEEA44,  4);
+	P_MD5_ROUND_2 (D, A, B, C, 4,  0x4BDECFA9, 11);
+	P_MD5_ROUND_2 (C, D, A, B, 7,  0xF6BB4B60, 16);
+	P_MD5_ROUND_2 (B, C, D, A, 10, 0xBEBFBC70, 23);
+	P_MD5_ROUND_2 (A, B, C, D, 13, 0x289B7EC6,  4);
+	P_MD5_ROUND_2 (D, A, B, C, 0,  0xEAA127FA, 11);
+	P_MD5_ROUND_2 (C, D, A, B, 3,  0xD4EF3085, 16);
+	P_MD5_ROUND_2 (B, C, D, A, 6,  0x04881D05, 23);
+	P_MD5_ROUND_2 (A, B, C, D, 9,  0xD9D4D039,  4);
+	P_MD5_ROUND_2 (D, A, B, C, 12, 0xE6DB99E5, 11);
+	P_MD5_ROUND_2 (C, D, A, B, 15, 0x1FA27CF8, 16);
+	P_MD5_ROUND_2 (B, C, D, A, 2,  0xC4AC5665, 23);
+
+	P_MD5_ROUND_3 (A, B, C, D, 0,  0xF4292244,  6);
+	P_MD5_ROUND_3 (D, A, B, C, 7,  0x432AFF97, 10);
+	P_MD5_ROUND_3 (C, D, A, B, 14, 0xAB9423A7, 15);
+	P_MD5_ROUND_3 (B, C, D, A, 5,  0xFC93A039, 21);
+	P_MD5_ROUND_3 (A, B, C, D, 12, 0x655B59C3,  6);
+	P_MD5_ROUND_3 (D, A, B, C, 3,  0x8F0CCC92, 10);
+	P_MD5_ROUND_3 (C, D, A, B, 10, 0xFFEFF47D, 15);
+	P_MD5_ROUND_3 (B, C, D, A, 1,  0x85845DD1, 21);
+	P_MD5_ROUND_3 (A, B, C, D, 8,  0x6FA87E4F,  6);
+	P_MD5_ROUND_3 (D, A, B, C, 15, 0xFE2CE6E0, 10);
+	P_MD5_ROUND_3 (C, D, A, B, 6,  0xA3014314, 15);
+	P_MD5_ROUND_3 (B, C, D, A, 13, 0x4E0811A1, 21);
+	P_MD5_ROUND_3 (A, B, C, D, 4,  0xF7537E82,  6);
+	P_MD5_ROUND_3 (D, A, B, C, 11, 0xBD3AF235, 10);
+	P_MD5_ROUND_3 (C, D, A, B, 2,  0x2AD7D2BB, 15);
+	P_MD5_ROUND_3 (B, C, D, A, 9,  0xEB86D391, 21);
+
+	ctx->hash[0] += A;
+	ctx->hash[1] += B;
+	ctx->hash[2] += C;
+	ctx->hash[3] += D;
+}
+
+void
+p_crypto_hash_md5_reset (PHashMD5 *ctx)
+{
+	memset (ctx->buf.buf, 0, 64);
+
+	ctx->len_low = 0;
+	ctx->len_high = 0;
+
+	ctx->hash[0] = 0x67452301;
+	ctx->hash[1] = 0xEFCDAB89;
+	ctx->hash[2] = 0x98BADCFE;
+	ctx->hash[3] = 0x10325476;
+}
+
+PHashMD5 *
+p_crypto_hash_md5_new (void)
+{
+	PHashMD5 *ret;
+
+	if (P_UNLIKELY ((ret = p_malloc0 (sizeof (PHashMD5))) == NULL))
+		return NULL;
+
+	p_crypto_hash_md5_reset (ret);
+
+	return ret;
+}
+
+void
+p_crypto_hash_md5_update (PHashMD5	*ctx,
+			  const puchar	*data,
+			  psize		len)
+{
+	puint32	left, to_fill;
+
+	left = ctx->len_low & 0x3F;
+	to_fill = 64 - left;
+
+	ctx->len_low += (puint32) len;
+
+	if (ctx->len_low < (puint32) len)
+		++ctx->len_high;
+
+	if (left && (puint32) len >= to_fill) {
+		memcpy (ctx->buf.buf + left, data, to_fill);
+		pp_crypto_hash_md5_swap_bytes (ctx->buf.buf_w, 16);
+		pp_crypto_hash_md5_process (ctx, ctx->buf.buf_w);
+
+		data += to_fill;
+		len -= to_fill;
+		left = 0;
+	}
+
+	while (len >= 64) {
+		memcpy (ctx->buf.buf, data, 64);
+		pp_crypto_hash_md5_swap_bytes (ctx->buf.buf_w, 16);
+		pp_crypto_hash_md5_process (ctx, ctx->buf.buf_w);
+
+		data += 64;
+		len -= 64;
+	}
+
+	if (len > 0)
+		memcpy (ctx->buf.buf + left, data, len);
+}
+
+void
+p_crypto_hash_md5_finish (PHashMD5 *ctx)
+{
+	puint32	high, low;
+	pint	left, last;
+
+	left = ctx->len_low & 0x3F;
+	last = (left < 56) ? (56 - left) : (120 - left);
+
+	low = ctx->len_low << 3;
+	high = ctx->len_high << 3
+	     | ctx->len_low >> 29;
+
+	if (last > 0)
+		p_crypto_hash_md5_update (ctx, pp_crypto_hash_md5_pad, (psize) last);
+
+	ctx->buf.buf_w[14] = low;
+	ctx->buf.buf_w[15] = high;
+
+	pp_crypto_hash_md5_swap_bytes (ctx->buf.buf_w, 14);
+	pp_crypto_hash_md5_process (ctx, ctx->buf.buf_w);
+
+	pp_crypto_hash_md5_swap_bytes (ctx->hash, 4);
+}
+
+const puchar *
+p_crypto_hash_md5_digest (PHashMD5 *ctx)
+{
+	return (const puchar *) ctx->hash;
+}
+
+void
+p_crypto_hash_md5_free (PHashMD5 *ctx)
+{
+	p_free (ctx);
+}