staging: skein: move macros into header file (ee714b80) · Commits · git / linux-nf

drivers/staging/skein/skein_block.c

+0 −323

Original line number	Diff line number	Diff line
		@@ -21,329 +21,6 @@
		#include "skein_base.h"
		#include "skein_block.h"

		#ifndef SKEIN_USE_ASM
		#define SKEIN_USE_ASM (0) /* default is all C code (no ASM) */
		#endif

		#ifndef SKEIN_LOOP
		#define SKEIN_LOOP 001 /* default: unroll 256 and 512, but not 1024 */
		#endif

		#define BLK_BITS (WCNT * 64) /* some useful definitions for code here */
		#define KW_TWK_BASE (0)
		#define KW_KEY_BASE (3)
		#define ks (kw + KW_KEY_BASE)
		#define ts (kw + KW_TWK_BASE)

		#ifdef SKEIN_DEBUG
		#define debug_save_tweak(ctx) \
		{ \
		ctx->h.tweak[0] = ts[0]; \
		ctx->h.tweak[1] = ts[1]; \
		}
		#else
		#define debug_save_tweak(ctx)
		#endif

		#if !(SKEIN_USE_ASM & 256)
		#undef RCNT
		#define RCNT (SKEIN_256_ROUNDS_TOTAL / 8)
		#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
		#define SKEIN_UNROLL_256 (((SKEIN_LOOP) / 100) % 10)
		#else
		#define SKEIN_UNROLL_256 (0)
		#endif

		#if SKEIN_UNROLL_256
		#if (RCNT % SKEIN_UNROLL_256)
		#error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */
		#endif
		#endif
		#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
		do { \
		X##p0 += X##p1; \
		X##p1 = rol64(X##p1, ROT##_0); \
		X##p1 ^= X##p0; \
		X##p2 += X##p3; \
		X##p3 = rol64(X##p3, ROT##_1); \
		X##p3 ^= X##p2; \
		} while (0)

		#if SKEIN_UNROLL_256 == 0
		#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
		ROUND256(p0, p1, p2, p3, ROT, r_num)

		#define I256(R) \
		do { \
		/* inject the key schedule value */ \
		X0 += ks[((R) + 1) % 5]; \
		X1 += ks[((R) + 2) % 5] + ts[((R) + 1) % 3]; \
		X2 += ks[((R) + 3) % 5] + ts[((R) + 2) % 3]; \
		X3 += ks[((R) + 4) % 5] + (R) + 1; \
		} while (0)
		#else
		/* looping version */
		#define R256(p0, p1, p2, p3, ROT, r_num) ROUND256(p0, p1, p2, p3, ROT, r_num)

		#define I256(R) \
		do { \
		/* inject the key schedule value */ \
		X0 += ks[r + (R) + 0]; \
		X1 += ks[r + (R) + 1] + ts[r + (R) + 0];\
		X2 += ks[r + (R) + 2] + ts[r + (R) + 1];\
		X3 += ks[r + (R) + 3] + r + (R); \
		/* rotate key schedule */ \
		ks[r + (R) + 4] = ks[r + (R) - 1]; \
		ts[r + (R) + 2] = ts[r + (R) - 1]; \
		} while (0)
		#endif
		#define R256_8_ROUNDS(R) \
		do { \
		R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
		R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
		R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \
		R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \
		I256(2 * (R)); \
		R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \
		R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \
		R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \
		R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \
		I256(2 * (R) + 1); \
		} while (0)

		#define R256_UNROLL_R(NN) \
		((SKEIN_UNROLL_256 == 0 && \
		SKEIN_256_ROUNDS_TOTAL / 8 > (NN)) \|\| \
		(SKEIN_UNROLL_256 > (NN)))

		#if (SKEIN_UNROLL_256 > 14)
		#error "need more unrolling in skein_256_process_block"
		#endif
		#endif

		#if !(SKEIN_USE_ASM & 512)
		#undef RCNT
		#define RCNT (SKEIN_512_ROUNDS_TOTAL / 8)

		#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
		#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10)
		#else
		#define SKEIN_UNROLL_512 (0)
		#endif

		#if SKEIN_UNROLL_512
		#if (RCNT % SKEIN_UNROLL_512)
		#error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */
		#endif
		#endif
		#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
		do { \
		X##p0 += X##p1; \
		X##p1 = rol64(X##p1, ROT##_0); \
		X##p1 ^= X##p0; \
		X##p2 += X##p3; \
		X##p3 = rol64(X##p3, ROT##_1); \
		X##p3 ^= X##p2; \
		X##p4 += X##p5; \
		X##p5 = rol64(X##p5, ROT##_2); \
		X##p5 ^= X##p4; \
		X##p6 += X##p7; \
		X##p7 = rol64(X##p7, ROT##_3); \
		X##p7 ^= X##p6; \
		} while (0)

		#if SKEIN_UNROLL_512 == 0
		#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) /* unrolled */ \
		ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num)

		#define I512(R) \
		do { \
		/* inject the key schedule value */ \
		X0 += ks[((R) + 1) % 9]; \
		X1 += ks[((R) + 2) % 9]; \
		X2 += ks[((R) + 3) % 9]; \
		X3 += ks[((R) + 4) % 9]; \
		X4 += ks[((R) + 5) % 9]; \
		X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
		X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
		X7 += ks[((R) + 8) % 9] + (R) + 1; \
		} while (0)

		#else /* looping version */
		#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
		ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \

		#define I512(R) \
		do { \
		/* inject the key schedule value */ \
		X0 += ks[r + (R) + 0]; \
		X1 += ks[r + (R) + 1]; \
		X2 += ks[r + (R) + 2]; \
		X3 += ks[r + (R) + 3]; \
		X4 += ks[r + (R) + 4]; \
		X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \
		X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \
		X7 += ks[r + (R) + 7] + r + (R); \
		/* rotate key schedule */ \
		ks[r + (R) + 8] = ks[r + (R) - 1]; \
		ts[r + (R) + 2] = ts[r + (R) - 1]; \
		} while (0)
		#endif /* end of looped code definitions */
		#define R512_8_ROUNDS(R) /* do 8 full rounds */ \
		do { \
		R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
		R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
		R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \
		R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \
		I512(2 * (R)); \
		R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \
		R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \
		R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \
		R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
		I512(2 * (R) + 1); /* and key injection */ \
		} while (0)
		#define R512_UNROLL_R(NN) \
		((SKEIN_UNROLL_512 == 0 && \
		SKEIN_512_ROUNDS_TOTAL / 8 > (NN)) \|\| \
		(SKEIN_UNROLL_512 > (NN)))

		#if (SKEIN_UNROLL_512 > 14)
		#error "need more unrolling in skein_512_process_block"
		#endif
		#endif

		#if !(SKEIN_USE_ASM & 1024)
		#undef RCNT
		#define RCNT (SKEIN_1024_ROUNDS_TOTAL / 8)
		#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
		#define SKEIN_UNROLL_1024 ((SKEIN_LOOP) % 10)
		#else
		#define SKEIN_UNROLL_1024 (0)
		#endif

		#if (SKEIN_UNROLL_1024 != 0)
		#if (RCNT % SKEIN_UNROLL_1024)
		#error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */
		#endif
		#endif
		#define ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
		pF, ROT, r_num) \
		do { \
		X##p0 += X##p1; \
		X##p1 = rol64(X##p1, ROT##_0); \
		X##p1 ^= X##p0; \
		X##p2 += X##p3; \
		X##p3 = rol64(X##p3, ROT##_1); \
		X##p3 ^= X##p2; \
		X##p4 += X##p5; \
		X##p5 = rol64(X##p5, ROT##_2); \
		X##p5 ^= X##p4; \
		X##p6 += X##p7; \
		X##p7 = rol64(X##p7, ROT##_3); \
		X##p7 ^= X##p6; \
		X##p8 += X##p9; \
		X##p9 = rol64(X##p9, ROT##_4); \
		X##p9 ^= X##p8; \
		X##pA += X##pB; \
		X##pB = rol64(X##pB, ROT##_5); \
		X##pB ^= X##pA; \
		X##pC += X##pD; \
		X##pD = rol64(X##pD, ROT##_6); \
		X##pD ^= X##pC; \
		X##pE += X##pF; \
		X##pF = rol64(X##pF, ROT##_7); \
		X##pF ^= X##pE; \
		} while (0)

		#if SKEIN_UNROLL_1024 == 0
		#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
		ROT, rn) \
		ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
		pF, ROT, rn) \

		#define I1024(R) \
		do { \
		/* inject the key schedule value */ \
		X00 += ks[((R) + 1) % 17]; \
		X01 += ks[((R) + 2) % 17]; \
		X02 += ks[((R) + 3) % 17]; \
		X03 += ks[((R) + 4) % 17]; \
		X04 += ks[((R) + 5) % 17]; \
		X05 += ks[((R) + 6) % 17]; \
		X06 += ks[((R) + 7) % 17]; \
		X07 += ks[((R) + 8) % 17]; \
		X08 += ks[((R) + 9) % 17]; \
		X09 += ks[((R) + 10) % 17]; \
		X10 += ks[((R) + 11) % 17]; \
		X11 += ks[((R) + 12) % 17]; \
		X12 += ks[((R) + 13) % 17]; \
		X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
		X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
		X15 += ks[((R) + 16) % 17] + (R) + 1; \
		} while (0)
		#else /* looping version */
		#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
		ROT, rn) \
		ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
		pF, ROT, rn) \

		#define I1024(R) \
		do { \
		/* inject the key schedule value */ \
		X00 += ks[r + (R) + 0]; \
		X01 += ks[r + (R) + 1]; \
		X02 += ks[r + (R) + 2]; \
		X03 += ks[r + (R) + 3]; \
		X04 += ks[r + (R) + 4]; \
		X05 += ks[r + (R) + 5]; \
		X06 += ks[r + (R) + 6]; \
		X07 += ks[r + (R) + 7]; \
		X08 += ks[r + (R) + 8]; \
		X09 += ks[r + (R) + 9]; \
		X10 += ks[r + (R) + 10]; \
		X11 += ks[r + (R) + 11]; \
		X12 += ks[r + (R) + 12]; \
		X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \
		X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \
		X15 += ks[r + (R) + 15] + r + (R); \
		/* rotate key schedule */ \
		ks[r + (R) + 16] = ks[r + (R) - 1]; \
		ts[r + (R) + 2] = ts[r + (R) - 1]; \
		} while (0)

		#endif
		#define R1024_8_ROUNDS(R) \
		do { \
		R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
		13, 14, 15, R1024_0, 8 * (R) + 1); \
		R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
		05, 08, 01, R1024_1, 8 * (R) + 2); \
		R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
		11, 10, 09, R1024_2, 8 * (R) + 3); \
		R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
		03, 12, 07, R1024_3, 8 * (R) + 4); \
		I1024(2 * (R)); \
		R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
		13, 14, 15, R1024_4, 8 * (R) + 5); \
		R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
		05, 08, 01, R1024_5, 8 * (R) + 6); \
		R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
		11, 10, 09, R1024_6, 8 * (R) + 7); \
		R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
		03, 12, 07, R1024_7, 8 * (R) + 8); \
		I1024(2 * (R) + 1); \
		} while (0)

		#define R1024_UNROLL_R(NN) \
		((SKEIN_UNROLL_1024 == 0 && \
		SKEIN_1024_ROUNDS_TOTAL / 8 > (NN)) \|\| \
		(SKEIN_UNROLL_1024 > (NN)))

		#if (SKEIN_UNROLL_1024 > 14)
		#error "need more unrolling in Skein_1024_Process_Block"
		#endif
		#endif

		/*************************** SKEIN_256 ****************************/
		#if !(SKEIN_USE_ASM & 256)
		void skein_256_process_block(struct skein_256_ctx ctx, const u8 blk_ptr,

drivers/staging/skein/skein_block.h

+323 −0

File changed.

Preview size limit exceeded, changes collapsed.