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Initial commit: SUB-OS 64-Bit Production Monolithic Operating System with LazyBox userland suite
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@@ -0,0 +1,35 @@
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#include <crypto/crypto.h>
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static uint32_t crc32_table[256];
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static bool table_computed = false;
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static void make_crc32_table(void) {
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uint32_t c;
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for (uint32_t n = 0; n < 256; n++) {
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c = n;
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for (int k = 0; k < 8; k++) {
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if (c & 1) {
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c = 0xEDB88320L ^ (c >> 1);
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} else {
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c = c >> 1;
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}
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}
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crc32_table[n] = c;
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}
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table_computed = true;
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}
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uint32_t crc32(uint32_t crc, const void* buf, size_t size) {
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if (!table_computed) {
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make_crc32_table();
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}
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const uint8_t* p = (const uint8_t*)buf;
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crc = crc ^ 0xFFFFFFFF;
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while (size--) {
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crc = crc32_table[(crc ^ *p++) & 0xFF] ^ (crc >> 8);
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}
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return crc ^ 0xFFFFFFFF;
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}
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+186
@@ -0,0 +1,186 @@
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#include <crypto/crypto.h>
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#include <lib/string.h>
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#include <lib/printf.h>
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
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#define FF(a, b, c, d, x, s, ac) { \
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(a) += F((b), (c), (d)) + (x) + (uint32_t)(ac); \
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(a) = ROTATE_LEFT((a), (s)); \
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(a) += (b); \
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}
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#define GG(a, b, c, d, x, s, ac) { \
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(a) += G((b), (c), (d)) + (x) + (uint32_t)(ac); \
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(a) = ROTATE_LEFT((a), (s)); \
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(a) += (b); \
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}
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#define HH(a, b, c, d, x, s, ac) { \
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(a) += H((b), (c), (d)) + (x) + (uint32_t)(ac); \
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(a) = ROTATE_LEFT((a), (s)); \
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(a) += (b); \
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}
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#define II(a, b, c, d, x, s, ac) { \
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(a) += I((b), (c), (d)) + (x) + (uint32_t)(ac); \
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(a) = ROTATE_LEFT((a), (s)); \
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(a) += (b); \
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}
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static void md5_transform(uint32_t state[4], const uint8_t block[64]) {
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uint32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
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for (int i = 0, j = 0; j < 64; i++, j += 4) {
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x[i] = ((uint32_t)block[j]) | (((uint32_t)block[j + 1]) << 8) |
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(((uint32_t)block[j + 2]) << 16) | (((uint32_t)block[j + 3]) << 24);
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}
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// Round 1
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FF(a, b, c, d, x[0], 7, 0xd76aa478);
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FF(d, a, b, c, x[1], 12, 0xe8c7b756);
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FF(c, d, a, b, x[2], 17, 0x242070db);
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FF(b, c, d, a, x[3], 22, 0xc1bdceee);
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FF(a, b, c, d, x[4], 7, 0xf57c0faf);
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FF(d, a, b, c, x[5], 12, 0x4787c62a);
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FF(c, d, a, b, x[6], 17, 0xa8304613);
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FF(b, c, d, a, x[7], 22, 0xfd469501);
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FF(a, b, c, d, x[8], 7, 0x698098d8);
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FF(d, a, b, c, x[9], 12, 0x8b44f7af);
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FF(c, d, a, b, x[10], 17, 0xffff5bb1);
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FF(b, c, d, a, x[11], 22, 0x895cd7be);
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FF(a, b, c, d, x[12], 7, 0x6b901122);
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FF(d, a, b, c, x[13], 12, 0xfd987193);
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FF(c, d, a, b, x[14], 17, 0xa679438e);
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FF(b, c, d, a, x[15], 22, 0x49b40821);
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// Round 2
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GG(a, b, c, d, x[1], 5, 0xf61e2562);
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GG(d, a, b, c, x[6], 9, 0xc040b340);
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GG(c, d, a, b, x[11], 14, 0x265e5a51);
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GG(b, c, d, a, x[0], 20, 0xe9b6c7aa);
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GG(a, b, c, d, x[5], 5, 0xd62f105d);
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GG(d, a, b, c, x[10], 9, 0x02441453);
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GG(c, d, a, b, x[15], 14, 0xd8a1e681);
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GG(b, c, d, a, x[4], 20, 0xe7d3fbc8);
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GG(a, b, c, d, x[9], 5, 0x21e1cde6);
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GG(d, a, b, c, x[14], 9, 0xc33707d6);
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GG(c, d, a, b, x[3], 14, 0xf4d50d87);
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GG(b, c, d, a, x[8], 20, 0x455a14ed);
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GG(a, b, c, d, x[13], 5, 0xa9e3e905);
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GG(d, a, b, c, x[2], 9, 0xfcefa3f8);
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GG(c, d, a, b, x[7], 14, 0x676f02d9);
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GG(b, c, d, a, x[12], 20, 0x8d2a4c8a);
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// Round 3
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HH(a, b, c, d, x[5], 4, 0xfffa3942);
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HH(d, a, b, c, x[8], 11, 0x8771f681);
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HH(c, d, a, b, x[11], 16, 0x6d9d6122);
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HH(b, c, d, a, x[14], 23, 0xfde5380c);
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HH(a, b, c, d, x[1], 4, 0xa4beea44);
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HH(d, a, b, c, x[4], 11, 0x4bdecfa9);
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HH(c, d, a, b, x[7], 16, 0xf6bb4b60);
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HH(b, c, d, a, x[10], 23, 0xbebfbc70);
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HH(a, b, c, d, x[13], 4, 0x289b7ec6);
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HH(d, a, b, c, x[0], 11, 0xeaa127fa);
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HH(c, d, a, b, x[3], 16, 0xd4ef3085);
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HH(b, c, d, a, x[6], 23, 0x04881d05);
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HH(a, b, c, d, x[9], 4, 0xd9d4d039);
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HH(d, a, b, c, x[12], 11, 0xe6db99e5);
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HH(c, d, a, b, x[15], 16, 0x1fa27cf8);
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HH(b, c, d, a, x[2], 23, 0xc4ac5665);
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// Round 4
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II(a, b, c, d, x[0], 6, 0xf4292244);
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II(d, a, b, c, x[7], 10, 0x432aff97);
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II(c, d, a, b, x[14], 15, 0xab9423a7);
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II(b, c, d, a, x[5], 21, 0xfc93a039);
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II(a, b, c, d, x[12], 6, 0x655b59c3);
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II(d, a, b, c, x[3], 10, 0x8f0ccc92);
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II(c, d, a, b, x[10], 15, 0xffeff47d);
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II(b, c, d, a, x[1], 21, 0x85845dd1);
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II(a, b, c, d, x[8], 6, 0x6fa87e4f);
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II(d, a, b, c, x[15], 10, 0xfe2ce6e0);
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II(c, d, a, b, x[6], 15, 0xa3014314);
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II(b, c, d, a, x[13], 21, 0x4e0811a1);
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II(a, b, c, d, x[4], 6, 0xf7537e82);
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II(d, a, b, c, x[11], 10, 0xbd3af235);
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II(c, d, a, b, x[2], 15, 0x2ad7d2bb);
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II(b, c, d, a, x[9], 21, 0xeb86d391);
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state[0] += a;
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state[1] += b;
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state[2] += c;
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state[3] += d;
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}
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void md5_init(md5_ctx_t* ctx) {
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ctx->count[0] = ctx->count[1] = 0;
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ctx->state[0] = 0x67452301;
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ctx->state[1] = 0xefcdab89;
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ctx->state[2] = 0x98badcfe;
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ctx->state[3] = 0x10325476;
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}
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void md5_update(md5_ctx_t* ctx, const void* input, size_t input_len) {
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uint32_t i, index, part_len;
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const uint8_t* buf = (const uint8_t*)input;
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index = (uint32_t)((ctx->count[0] >> 3) & 0x3F);
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if ((ctx->count[0] += ((uint32_t)input_len << 3)) < ((uint32_t)input_len << 3)) {
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ctx->count[1]++;
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}
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ctx->count[1] += ((uint32_t)input_len >> 29);
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part_len = 64 - index;
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if (input_len >= part_len) {
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memcpy(&ctx->buffer[index], buf, part_len);
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md5_transform(ctx->state, ctx->buffer);
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for (i = part_len; i + 63 < input_len; i += 64) {
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md5_transform(ctx->state, &buf[i]);
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}
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index = 0;
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} else {
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i = 0;
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}
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memcpy(&ctx->buffer[index], &buf[i], input_len - i);
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}
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void md5_final(uint8_t digest[16], md5_ctx_t* ctx) {
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static const uint8_t PADDING[64] = { 0x80 };
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uint8_t bits[8];
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uint32_t index, pad_len;
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for (int i = 0; i < 4; i++) {
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bits[i] = (uint8_t)((ctx->count[0] >> (i * 8)) & 0xFF);
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bits[i + 4] = (uint8_t)((ctx->count[1] >> (i * 8)) & 0xFF);
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}
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index = (uint32_t)((ctx->count[0] >> 3) & 0x3F);
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pad_len = (index < 56) ? (56 - index) : (120 - index);
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md5_update(ctx, PADDING, pad_len);
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md5_update(ctx, bits, 8);
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for (int i = 0; i < 4; i++) {
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digest[i] = (uint8_t)((ctx->state[0] >> (i * 8)) & 0xFF);
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digest[i + 4] = (uint8_t)((ctx->state[1] >> (i * 8)) & 0xFF);
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digest[i + 8] = (uint8_t)((ctx->state[2] >> (i * 8)) & 0xFF);
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digest[i + 12] = (uint8_t)((ctx->state[3] >> (i * 8)) & 0xFF);
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}
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}
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void md5_string(const char* str, char output[33]) {
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md5_ctx_t ctx;
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uint8_t digest[16];
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md5_init(&ctx);
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md5_update(&ctx, str, strlen(str));
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md5_final(digest, &ctx);
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for (int i = 0; i < 16; i++) {
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sprintf(output + i * 2, "%02x", digest[i]);
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}
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output[32] = '\0';
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}
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@@ -0,0 +1,43 @@
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#include <crypto/crypto.h>
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#include <arch/x86_64/pit.h>
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static uint64_t prng_s[2] = { 0x8a5cd789635d2dffULL, 0x121fd2155c472f96ULL };
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void prng_seed(uint64_t seed1, uint64_t seed2) {
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if (seed1 == 0 && seed2 == 0) {
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seed1 = 0x8a5cd789635d2dffULL ^ pit_get_ticks();
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seed2 = 0x121fd2155c472f96ULL ^ (pit_get_ticks() << 32);
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}
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prng_s[0] = seed1;
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prng_s[1] = seed2;
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}
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uint64_t prng_rand64(void) {
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uint64_t s1 = prng_s[0];
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const uint64_t s0 = prng_s[1];
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prng_s[0] = s0;
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s1 ^= s1 << 23;
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prng_s[1] = s1 ^ s0 ^ (s1 >> 17) ^ (s0 >> 26);
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return prng_s[1] + s0;
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}
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uint32_t prng_rand32(void) {
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return (uint32_t)(prng_rand64() & 0xFFFFFFFF);
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}
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void prng_get_bytes(void* buf, size_t len) {
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uint8_t* p = (uint8_t*)buf;
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while (len >= 8) {
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uint64_t r = prng_rand64();
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*(uint64_t*)p = r;
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p += 8;
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len -= 8;
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}
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if (len > 0) {
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uint64_t r = prng_rand64();
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uint8_t* r_bytes = (uint8_t*)&r;
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for (size_t i = 0; i < len; i++) {
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p[i] = r_bytes[i];
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}
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}
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}
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+141
@@ -0,0 +1,141 @@
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#include <crypto/crypto.h>
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#include <lib/string.h>
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#include <lib/printf.h>
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#define DBL_INT_ADD(a, b, c) if ((a) > 0xFFFFFFFF - (c)) ++(b); (a) += (c);
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#define ROTRIGHT(a, b) (((a) >> (b)) | ((a) << (32 - (b))))
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#define CH(x, y, z) (((x) & (y)) ^ (~(x) & (z)))
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#define MAJ(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
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#define EP0(x) (ROTRIGHT(x, 2) ^ ROTRIGHT(x, 13) ^ ROTRIGHT(x, 22))
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#define EP1(x) (ROTRIGHT(x, 6) ^ ROTRIGHT(x, 11) ^ ROTRIGHT(x, 25))
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#define SIG0(x) (ROTRIGHT(x, 7) ^ ROTRIGHT(x, 18) ^ ((x) >> 3))
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#define SIG1(x) (ROTRIGHT(x, 17) ^ ROTRIGHT(x, 19) ^ ((x) >> 10))
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static const uint32_t k[64] = {
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0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
|
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0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
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0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
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0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
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0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
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0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
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0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
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0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
|
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};
|
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|
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static void sha256_transform(sha256_ctx_t* ctx, const uint8_t data[]) {
|
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uint32_t a, b, c, d, e, f, g, h, i, j, t1, t2, m[64];
|
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|
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for (i = 0, j = 0; i < 16; ++i, j += 4)
|
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m[i] = (data[j] << 24) | (data[j + 1] << 16) | (data[j + 2] << 8) | (data[j + 3]);
|
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for (; i < 64; ++i)
|
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m[i] = SIG1(m[i - 2]) + m[i - 7] + SIG0(m[i - 15]) + m[i - 16];
|
||||
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a = ctx->state[0];
|
||||
b = ctx->state[1];
|
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c = ctx->state[2];
|
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d = ctx->state[3];
|
||||
e = ctx->state[4];
|
||||
f = ctx->state[5];
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||||
g = ctx->state[6];
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||||
h = ctx->state[7];
|
||||
|
||||
for (i = 0; i < 64; ++i) {
|
||||
t1 = h + EP1(e) + CH(e, f, g) + k[i] + m[i];
|
||||
t2 = EP0(a) + MAJ(a, b, c);
|
||||
h = g;
|
||||
g = f;
|
||||
f = e;
|
||||
e = d + t1;
|
||||
d = c;
|
||||
c = b;
|
||||
b = a;
|
||||
a = t1 + t2;
|
||||
}
|
||||
|
||||
ctx->state[0] += a;
|
||||
ctx->state[1] += b;
|
||||
ctx->state[2] += c;
|
||||
ctx->state[3] += d;
|
||||
ctx->state[4] += e;
|
||||
ctx->state[5] += f;
|
||||
ctx->state[6] += g;
|
||||
ctx->state[7] += h;
|
||||
}
|
||||
|
||||
void sha256_init(sha256_ctx_t* ctx) {
|
||||
ctx->datalen = 0;
|
||||
ctx->bitlen = 0;
|
||||
ctx->state[0] = 0x6a09e667;
|
||||
ctx->state[1] = 0xbb67ae85;
|
||||
ctx->state[2] = 0x3c6ef372;
|
||||
ctx->state[3] = 0xa54ff53a;
|
||||
ctx->state[4] = 0x510e527f;
|
||||
ctx->state[5] = 0x9b05688c;
|
||||
ctx->state[6] = 0x1f83d9ab;
|
||||
ctx->state[7] = 0x5be0cd19;
|
||||
}
|
||||
|
||||
void sha256_update(sha256_ctx_t* ctx, const void* data, size_t len) {
|
||||
const uint8_t* p = (const uint8_t*)data;
|
||||
for (size_t i = 0; i < len; ++i) {
|
||||
ctx->buffer[ctx->datalen] = p[i];
|
||||
ctx->datalen++;
|
||||
if (ctx->datalen == 64) {
|
||||
sha256_transform(ctx, ctx->buffer);
|
||||
ctx->bitlen += 512;
|
||||
ctx->datalen = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void sha256_final(uint8_t hash[32], sha256_ctx_t* ctx) {
|
||||
size_t i = ctx->datalen;
|
||||
|
||||
if (ctx->datalen < 56) {
|
||||
ctx->buffer[i++] = 0x80;
|
||||
while (i < 56)
|
||||
ctx->buffer[i++] = 0x00;
|
||||
} else {
|
||||
ctx->buffer[i++] = 0x80;
|
||||
while (i < 64)
|
||||
ctx->buffer[i++] = 0x00;
|
||||
sha256_transform(ctx, ctx->buffer);
|
||||
memset(ctx->buffer, 0, 56);
|
||||
}
|
||||
|
||||
ctx->bitlen += ctx->datalen * 8;
|
||||
ctx->buffer[63] = (uint8_t)(ctx->bitlen);
|
||||
ctx->buffer[62] = (uint8_t)(ctx->bitlen >> 8);
|
||||
ctx->buffer[61] = (uint8_t)(ctx->bitlen >> 16);
|
||||
ctx->buffer[60] = (uint8_t)(ctx->bitlen >> 24);
|
||||
ctx->buffer[59] = (uint8_t)(ctx->bitlen >> 32);
|
||||
ctx->buffer[58] = (uint8_t)(ctx->bitlen >> 40);
|
||||
ctx->buffer[57] = (uint8_t)(ctx->bitlen >> 48);
|
||||
ctx->buffer[56] = (uint8_t)(ctx->bitlen >> 56);
|
||||
sha256_transform(ctx, ctx->buffer);
|
||||
|
||||
for (i = 0; i < 4; ++i) {
|
||||
hash[i] = (uint8_t)((ctx->state[0] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 4] = (uint8_t)((ctx->state[1] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 8] = (uint8_t)((ctx->state[2] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 12] = (uint8_t)((ctx->state[3] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 16] = (uint8_t)((ctx->state[4] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 20] = (uint8_t)((ctx->state[5] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 24] = (uint8_t)((ctx->state[6] >> (24 - i * 8)) & 0x000000ff);
|
||||
hash[i + 28] = (uint8_t)((ctx->state[7] >> (24 - i * 8)) & 0x000000ff);
|
||||
}
|
||||
}
|
||||
|
||||
void sha256_string(const char* str, char output[65]) {
|
||||
sha256_ctx_t ctx;
|
||||
uint8_t hash[32];
|
||||
sha256_init(&ctx);
|
||||
sha256_update(&ctx, str, strlen(str));
|
||||
sha256_final(hash, &ctx);
|
||||
|
||||
for (int i = 0; i < 32; i++) {
|
||||
sprintf(output + i * 2, "%02x", hash[i]);
|
||||
}
|
||||
output[64] = '\0';
|
||||
}
|
||||
Reference in new issue
Block a user