add ota algorithm for device
1. effective "Differential Upgrade" patch algorithm with high compression rate 2. effective recovery algorithm support recovery firmware in blocks which has low memory consumption and wear-leveling strategies, especially suitable for embeded devices with low RAM. 3. add sample ota bootloader project, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_bootloader_recovery 4. add sample application project for download firmware through http, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_application_download_through_http 5. add sample application project for download firmware through qcloud explorer console, see: board\TencentOS_tiny_EVB_MX_Plus\KEIL\ota\ota_application_download_through_qcloud_iot_explorer 6. an OTA markdown document is pending
This commit is contained in:
daishengdong
248
components/ota/common/lzma/3rdparty/Sha256.c
vendored
Normal file
248
components/ota/common/lzma/3rdparty/Sha256.c
vendored
Normal file
@@ -0,0 +1,248 @@
|
||||
/* Crypto/Sha256.c -- SHA-256 Hash
|
||||
2017-04-03 : Igor Pavlov : Public domain
|
||||
This code is based on public domain code from Wei Dai's Crypto++ library. */
|
||||
|
||||
#include "Precomp.h"
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include "CpuArch.h"
|
||||
#include "RotateDefs.h"
|
||||
#include "Sha256.h"
|
||||
|
||||
/* define it for speed optimization */
|
||||
#ifndef _SFX
|
||||
#define _SHA256_UNROLL
|
||||
#define _SHA256_UNROLL2
|
||||
#endif
|
||||
|
||||
/* #define _SHA256_UNROLL2 */
|
||||
|
||||
void Sha256_Init(CSha256 *p)
|
||||
{
|
||||
p->state[0] = 0x6a09e667;
|
||||
p->state[1] = 0xbb67ae85;
|
||||
p->state[2] = 0x3c6ef372;
|
||||
p->state[3] = 0xa54ff53a;
|
||||
p->state[4] = 0x510e527f;
|
||||
p->state[5] = 0x9b05688c;
|
||||
p->state[6] = 0x1f83d9ab;
|
||||
p->state[7] = 0x5be0cd19;
|
||||
p->count = 0;
|
||||
}
|
||||
|
||||
#define S0(x) (rotrFixed(x, 2) ^ rotrFixed(x,13) ^ rotrFixed(x, 22))
|
||||
#define S1(x) (rotrFixed(x, 6) ^ rotrFixed(x,11) ^ rotrFixed(x, 25))
|
||||
#define s0(x) (rotrFixed(x, 7) ^ rotrFixed(x,18) ^ (x >> 3))
|
||||
#define s1(x) (rotrFixed(x,17) ^ rotrFixed(x,19) ^ (x >> 10))
|
||||
|
||||
#define blk0(i) (W[i])
|
||||
#define blk2(i) (W[i] += s1(W[((i)-2)&15]) + W[((i)-7)&15] + s0(W[((i)-15)&15]))
|
||||
|
||||
#define Ch(x,y,z) (z^(x&(y^z)))
|
||||
#define Maj(x,y,z) ((x&y)|(z&(x|y)))
|
||||
|
||||
#ifdef _SHA256_UNROLL2
|
||||
|
||||
#define R(a,b,c,d,e,f,g,h, i) \
|
||||
h += S1(e) + Ch(e,f,g) + K[(i)+(size_t)(j)] + (j ? blk2(i) : blk0(i)); \
|
||||
d += h; \
|
||||
h += S0(a) + Maj(a, b, c)
|
||||
|
||||
#define RX_8(i) \
|
||||
R(a,b,c,d,e,f,g,h, i); \
|
||||
R(h,a,b,c,d,e,f,g, i+1); \
|
||||
R(g,h,a,b,c,d,e,f, i+2); \
|
||||
R(f,g,h,a,b,c,d,e, i+3); \
|
||||
R(e,f,g,h,a,b,c,d, i+4); \
|
||||
R(d,e,f,g,h,a,b,c, i+5); \
|
||||
R(c,d,e,f,g,h,a,b, i+6); \
|
||||
R(b,c,d,e,f,g,h,a, i+7)
|
||||
|
||||
#define RX_16 RX_8(0); RX_8(8);
|
||||
|
||||
#else
|
||||
|
||||
#define a(i) T[(0-(i))&7]
|
||||
#define b(i) T[(1-(i))&7]
|
||||
#define c(i) T[(2-(i))&7]
|
||||
#define d(i) T[(3-(i))&7]
|
||||
#define e(i) T[(4-(i))&7]
|
||||
#define f(i) T[(5-(i))&7]
|
||||
#define g(i) T[(6-(i))&7]
|
||||
#define h(i) T[(7-(i))&7]
|
||||
|
||||
#define R(i) \
|
||||
h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[(i)+(size_t)(j)] + (j ? blk2(i) : blk0(i)); \
|
||||
d(i) += h(i); \
|
||||
h(i) += S0(a(i)) + Maj(a(i), b(i), c(i)) \
|
||||
|
||||
#ifdef _SHA256_UNROLL
|
||||
|
||||
#define RX_8(i) R(i+0); R(i+1); R(i+2); R(i+3); R(i+4); R(i+5); R(i+6); R(i+7);
|
||||
#define RX_16 RX_8(0); RX_8(8);
|
||||
|
||||
#else
|
||||
|
||||
#define RX_16 unsigned i; for (i = 0; i < 16; i++) { R(i); }
|
||||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
static const UInt32 K[64] = {
|
||||
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
|
||||
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
|
||||
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
|
||||
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
|
||||
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
|
||||
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
|
||||
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
|
||||
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
|
||||
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
|
||||
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
|
||||
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
|
||||
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
|
||||
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
|
||||
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
|
||||
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
|
||||
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
|
||||
};
|
||||
|
||||
static void Sha256_WriteByteBlock(CSha256 *p)
|
||||
{
|
||||
UInt32 W[16];
|
||||
unsigned j;
|
||||
UInt32 *state;
|
||||
|
||||
#ifdef _SHA256_UNROLL2
|
||||
UInt32 a,b,c,d,e,f,g,h;
|
||||
#else
|
||||
UInt32 T[8];
|
||||
#endif
|
||||
|
||||
for (j = 0; j < 16; j += 4)
|
||||
{
|
||||
const Byte *ccc = p->buffer + j * 4;
|
||||
W[j ] = GetBe32(ccc);
|
||||
W[j + 1] = GetBe32(ccc + 4);
|
||||
W[j + 2] = GetBe32(ccc + 8);
|
||||
W[j + 3] = GetBe32(ccc + 12);
|
||||
}
|
||||
|
||||
state = p->state;
|
||||
|
||||
#ifdef _SHA256_UNROLL2
|
||||
a = state[0];
|
||||
b = state[1];
|
||||
c = state[2];
|
||||
d = state[3];
|
||||
e = state[4];
|
||||
f = state[5];
|
||||
g = state[6];
|
||||
h = state[7];
|
||||
#else
|
||||
for (j = 0; j < 8; j++)
|
||||
T[j] = state[j];
|
||||
#endif
|
||||
|
||||
for (j = 0; j < 64; j += 16)
|
||||
{
|
||||
RX_16
|
||||
}
|
||||
|
||||
#ifdef _SHA256_UNROLL2
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
state[4] += e;
|
||||
state[5] += f;
|
||||
state[6] += g;
|
||||
state[7] += h;
|
||||
#else
|
||||
for (j = 0; j < 8; j++)
|
||||
state[j] += T[j];
|
||||
#endif
|
||||
|
||||
/* Wipe variables */
|
||||
/* memset(W, 0, sizeof(W)); */
|
||||
/* memset(T, 0, sizeof(T)); */
|
||||
}
|
||||
|
||||
#undef S0
|
||||
#undef S1
|
||||
#undef s0
|
||||
#undef s1
|
||||
|
||||
void Sha256_Update(CSha256 *p, const Byte *data, size_t size)
|
||||
{
|
||||
if (size == 0)
|
||||
return;
|
||||
|
||||
{
|
||||
unsigned pos = (unsigned)p->count & 0x3F;
|
||||
unsigned num;
|
||||
|
||||
p->count += size;
|
||||
|
||||
num = 64 - pos;
|
||||
if (num > size)
|
||||
{
|
||||
memcpy(p->buffer + pos, data, size);
|
||||
return;
|
||||
}
|
||||
|
||||
size -= num;
|
||||
memcpy(p->buffer + pos, data, num);
|
||||
data += num;
|
||||
}
|
||||
|
||||
for (;;)
|
||||
{
|
||||
Sha256_WriteByteBlock(p);
|
||||
if (size < 64)
|
||||
break;
|
||||
size -= 64;
|
||||
memcpy(p->buffer, data, 64);
|
||||
data += 64;
|
||||
}
|
||||
|
||||
if (size != 0)
|
||||
memcpy(p->buffer, data, size);
|
||||
}
|
||||
|
||||
void Sha256_Final(CSha256 *p, Byte *digest)
|
||||
{
|
||||
unsigned pos = (unsigned)p->count & 0x3F;
|
||||
unsigned i;
|
||||
|
||||
p->buffer[pos++] = 0x80;
|
||||
|
||||
while (pos != (64 - 8))
|
||||
{
|
||||
pos &= 0x3F;
|
||||
if (pos == 0)
|
||||
Sha256_WriteByteBlock(p);
|
||||
p->buffer[pos++] = 0;
|
||||
}
|
||||
|
||||
{
|
||||
UInt64 numBits = (p->count << 3);
|
||||
SetBe32(p->buffer + 64 - 8, (UInt32)(numBits >> 32));
|
||||
SetBe32(p->buffer + 64 - 4, (UInt32)(numBits));
|
||||
}
|
||||
|
||||
Sha256_WriteByteBlock(p);
|
||||
|
||||
for (i = 0; i < 8; i += 2)
|
||||
{
|
||||
UInt32 v0 = p->state[i];
|
||||
UInt32 v1 = p->state[i + 1];
|
||||
SetBe32(digest , v0);
|
||||
SetBe32(digest + 4, v1);
|
||||
digest += 8;
|
||||
}
|
||||
|
||||
Sha256_Init(p);
|
||||
}
|
||||
Reference in New Issue
Block a user