示例#1
0
static void
padlock_do_sha256(const char *in, char *out, int count)
{
	char buf[128+16];	/* PadLock needs at least 128 bytes buffer. */
	char *result = PADLOCK_ALIGN(buf);

	((uint32_t *)result)[0] = 0x6A09E667;
	((uint32_t *)result)[1] = 0xBB67AE85;
	((uint32_t *)result)[2] = 0x3C6EF372;
	((uint32_t *)result)[3] = 0xA54FF53A;
	((uint32_t *)result)[4] = 0x510E527F;
	((uint32_t *)result)[5] = 0x9B05688C;
	((uint32_t *)result)[6] = 0x1F83D9AB;
	((uint32_t *)result)[7] = 0x5BE0CD19;

#ifdef __GNUCLIKE_ASM
	__asm __volatile(
		".byte  0xf3, 0x0f, 0xa6, 0xd0" /* rep xsha256 */
			: "+S"(in), "+D"(result)
			: "c"(count), "a"(0)
		);
#endif

	padlock_output_block((uint32_t *)result, (uint32_t *)out,
	    SHA2_256_HASH_LEN / sizeof(uint32_t));
}
示例#2
0
文件: padlock-sha.c 项目: E-LLP/n900
static void padlock_do_sha256(const char *in, char *out, int count)
{
	/* We can't store directly to *out as it may be unaligned. */
	/* BTW Don't reduce the buffer size below 128 Bytes!
	 *     PadLock microcode needs it that big. */
	char buf[128+16];
	char *result = NEAREST_ALIGNED(buf);
	int ts_state;

	((uint32_t *)result)[0] = SHA256_H0;
	((uint32_t *)result)[1] = SHA256_H1;
	((uint32_t *)result)[2] = SHA256_H2;
	((uint32_t *)result)[3] = SHA256_H3;
	((uint32_t *)result)[4] = SHA256_H4;
	((uint32_t *)result)[5] = SHA256_H5;
	((uint32_t *)result)[6] = SHA256_H6;
	((uint32_t *)result)[7] = SHA256_H7;

	/* prevent taking the spurious DNA fault with padlock. */
	ts_state = irq_ts_save();
	asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */
		      : "+S"(in), "+D"(result)
		      : "c"(count), "a"(0));
	irq_ts_restore(ts_state);

	padlock_output_block((uint32_t *)result, (uint32_t *)out, 8);
}
示例#3
0
static void padlock_do_sha1(const char *in, char *out, int count)
{
	/* We can't store directly to *out as it may be unaligned. */
	/* BTW Don't reduce the buffer size below 128 Bytes!
	 *     PadLock microcode needs it that big. */
	char buf[128+16];
	char *result = NEAREST_ALIGNED(buf);

	((uint32_t *)result)[0] = 0x67452301;
	((uint32_t *)result)[1] = 0xEFCDAB89;
	((uint32_t *)result)[2] = 0x98BADCFE;
	((uint32_t *)result)[3] = 0x10325476;
	((uint32_t *)result)[4] = 0xC3D2E1F0;
 
	asm volatile (".byte 0xf3,0x0f,0xa6,0xc8" /* rep xsha1 */
		      : "+S"(in), "+D"(result)
		      : "c"(count), "a"(0));

	padlock_output_block((uint32_t *)result, (uint32_t *)out, 5);
}
示例#4
0
static void
padlock_do_sha1(const u_char *in, u_char *out, int count)
{
	u_char buf[128+16];	/* PadLock needs at least 128 bytes buffer. */
	u_char *result = PADLOCK_ALIGN(buf);

	((uint32_t *)result)[0] = 0x67452301;
	((uint32_t *)result)[1] = 0xEFCDAB89;
	((uint32_t *)result)[2] = 0x98BADCFE;
	((uint32_t *)result)[3] = 0x10325476;
	((uint32_t *)result)[4] = 0xC3D2E1F0;

#ifdef __GNUCLIKE_ASM
	__asm __volatile(
		".byte  0xf3, 0x0f, 0xa6, 0xc8" /* rep xsha1 */
			: "+S"(in), "+D"(result)
			: "c"(count), "a"(0)
		);
#endif

	padlock_output_block((uint32_t *)result, (uint32_t *)out,
	    SHA1_HASH_LEN / sizeof(uint32_t));
}
示例#5
0
static void padlock_do_sha256(const char *in, char *out, int count)
{
	/* We can't store directly to *out as it may be unaligned. */
	/* BTW Don't reduce the buffer size below 128 Bytes!
	 *     PadLock microcode needs it that big. */
	char buf[128+16];
	char *result = NEAREST_ALIGNED(buf);

	((uint32_t *)result)[0] = 0x6A09E667;
	((uint32_t *)result)[1] = 0xBB67AE85;
	((uint32_t *)result)[2] = 0x3C6EF372;
	((uint32_t *)result)[3] = 0xA54FF53A;
	((uint32_t *)result)[4] = 0x510E527F;
	((uint32_t *)result)[5] = 0x9B05688C;
	((uint32_t *)result)[6] = 0x1F83D9AB;
	((uint32_t *)result)[7] = 0x5BE0CD19;

	asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */
		      : "+S"(in), "+D"(result)
		      : "c"(count), "a"(0));

	padlock_output_block((uint32_t *)result, (uint32_t *)out, 8);
}