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Commit c5aac2df authored by David S. Miller's avatar David S. Miller
Browse files

sparc64: Add DES driver making use of the new des opcodes. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 442a7c40

arch/sparc/crypto/Makefile

+2 −0
Original line number Original line Diff line number Diff line
@@ -8,6 +8,7 @@ obj-$(CONFIG_CRYPTO_SHA512_SPARC64) += sha512-sparc64.o 
obj-$(CONFIG_CRYPTO_MD5_SPARC64) += md5-sparc64.o

obj-$(CONFIG_CRYPTO_MD5_SPARC64) += md5-sparc64.o





obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o

obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o

obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o





obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o

obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o
@@ -17,5 +18,6 @@ sha512-sparc64-y := sha512_asm.o sha512_glue.o 
md5-sparc64-y := md5_asm.o md5_glue.o

md5-sparc64-y := md5_asm.o md5_glue.o





aes-sparc64-y := aes_asm.o aes_glue.o

aes-sparc64-y := aes_asm.o aes_glue.o

des-sparc64-y := des_asm.o des_glue.o





crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o
 
crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o

arch/sparc/crypto/des_asm.S

0 → 100644
+439 −0
Original line number Original line Diff line number Diff line 
#include <linux/linkage.h>

#include <asm/visasm.h>



#define F3F(x,y,z)	(((x)<<30)|((y)<<19)|((z)<<5))



#define FPD_ENCODE(x)	(((x) >> 5) | ((x) & ~(0x20)))



#define RS1(x)		(FPD_ENCODE(x) << 14)

#define RS2(x)		(FPD_ENCODE(x) <<  0)

#define RS3(x)		(FPD_ENCODE(x) <<  9)

#define RD(x)		(FPD_ENCODE(x) << 25)

#define IMM5(x)		((x)           <<  0)



#define DES_IP(a,b)		\

	.word		(F3F(2, 0x36, 0x134)|RS1(a)|RD(b));

#define DES_IIP(a,b)		\

	.word		(F3F(2, 0x36, 0x135)|RS1(a)|RD(b));

#define DES_KEXPAND(a,b,c)	\

	.word		(F3F(2, 0x36, 0x136)|RS1(a)|IMM5(b)|RD(c));

#define DES_ROUND(a,b,c,d)	\

	.word		(F3F(2, 0x19, 0x009)|RS1(a)|RS2(b)|RS3(c)|RD(d));



#define MOVXTOD_G1_F60 \

	.word		0xbbb02301

#define MOVXTOD_G1_F62 \

	.word		0xbfb02301



	.align	32

ENTRY(des_sparc64_key_expand)

	/* %o0=input_key, %o1=output_key */

	VISEntryHalf

	ld	[%o0 + 0x00], %f0

	ld	[%o0 + 0x04], %f1

	DES_KEXPAND(0, 0, 0)

	DES_KEXPAND(0, 1, 2)

	DES_KEXPAND(2, 3, 6)

	DES_KEXPAND(2, 2, 4)

	DES_KEXPAND(6, 3, 10)

	DES_KEXPAND(6, 2, 8)

	DES_KEXPAND(10, 3, 14)

	DES_KEXPAND(10, 2, 12)

	DES_KEXPAND(14, 1, 16)

	DES_KEXPAND(16, 3, 20)

	DES_KEXPAND(16, 2, 18)

	DES_KEXPAND(20, 3, 24)

	DES_KEXPAND(20, 2, 22)

	DES_KEXPAND(24, 3, 28)

	DES_KEXPAND(24, 2, 26)

	DES_KEXPAND(28, 1, 30)

	std	%f0, [%o1 + 0x00]

	std	%f2, [%o1 + 0x08]

	std	%f4, [%o1 + 0x10]

	std	%f6, [%o1 + 0x18]

	std	%f8, [%o1 + 0x20]

	std	%f10, [%o1 + 0x28]

	std	%f12, [%o1 + 0x30]

	std	%f14, [%o1 + 0x38]

	std	%f16, [%o1 + 0x40]

	std	%f18, [%o1 + 0x48]

	std	%f20, [%o1 + 0x50]

	std	%f22, [%o1 + 0x58]

	std	%f24, [%o1 + 0x60]

	std	%f26, [%o1 + 0x68]

	std	%f28, [%o1 + 0x70]

	std	%f30, [%o1 + 0x78]

	retl

	 VISExitHalf

ENDPROC(des_sparc64_key_expand)



	.align	32

ENTRY(des_sparc64_crypt)

	/* %o0=key, %o1=input, %o2=output */

	VISEntry

	ldd	[%o1 + 0x00], %f32

	ldd	[%o0 + 0x00], %f0

	ldd	[%o0 + 0x08], %f2

	ldd	[%o0 + 0x10], %f4

	ldd	[%o0 + 0x18], %f6

	ldd	[%o0 + 0x20], %f8

	ldd	[%o0 + 0x28], %f10

	ldd	[%o0 + 0x30], %f12

	ldd	[%o0 + 0x38], %f14

	ldd	[%o0 + 0x40], %f16

	ldd	[%o0 + 0x48], %f18

	ldd	[%o0 + 0x50], %f20

	ldd	[%o0 + 0x58], %f22

	ldd	[%o0 + 0x60], %f24

	ldd	[%o0 + 0x68], %f26

	ldd	[%o0 + 0x70], %f28

	ldd	[%o0 + 0x78], %f30

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	DES_ROUND(4, 6, 32, 32)

	DES_ROUND(8, 10, 32, 32)

	DES_ROUND(12, 14, 32, 32)

	DES_ROUND(16, 18, 32, 32)

	DES_ROUND(20, 22, 32, 32)

	DES_ROUND(24, 26, 32, 32)

	DES_ROUND(28, 30, 32, 32)

	DES_IIP(32, 32)

	std	%f32, [%o2 + 0x00]

	retl

	 VISExit

ENDPROC(des_sparc64_crypt)



	.align	32

ENTRY(des_sparc64_load_keys)

	/* %o0=key */

	VISEntry

	ldd	[%o0 + 0x00], %f0

	ldd	[%o0 + 0x08], %f2

	ldd	[%o0 + 0x10], %f4

	ldd	[%o0 + 0x18], %f6

	ldd	[%o0 + 0x20], %f8

	ldd	[%o0 + 0x28], %f10

	ldd	[%o0 + 0x30], %f12

	ldd	[%o0 + 0x38], %f14

	ldd	[%o0 + 0x40], %f16

	ldd	[%o0 + 0x48], %f18

	ldd	[%o0 + 0x50], %f20

	ldd	[%o0 + 0x58], %f22

	ldd	[%o0 + 0x60], %f24

	ldd	[%o0 + 0x68], %f26

	ldd	[%o0 + 0x70], %f28

	retl

	 ldd	[%o0 + 0x78], %f30

ENDPROC(des_sparc64_load_keys)



	.align	32

ENTRY(des_sparc64_ecb_crypt)

	/* %o0=input, %o1=output, %o2=len */

1:	ldd	[%o0 + 0x00], %f32

	add	%o0, 0x08, %o0

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	DES_ROUND(4, 6, 32, 32)

	DES_ROUND(8, 10, 32, 32)

	DES_ROUND(12, 14, 32, 32)

	DES_ROUND(16, 18, 32, 32)

	DES_ROUND(20, 22, 32, 32)

	DES_ROUND(24, 26, 32, 32)

	DES_ROUND(28, 30, 32, 32)

	DES_IIP(32, 32)

	std	%f32, [%o1 + 0x00]

	subcc	%o2, 0x08, %o2

	bne,pt	%icc, 1b

	 add	%o1, 0x08, %o1

	retl

	 nop

ENDPROC(des_sparc64_ecb_crypt)



	.align	32

ENTRY(des_sparc64_cbc_encrypt)

	/* %o0=input, %o1=output, %o2=len, %o3=IV */

	ldd	[%o3 + 0x00], %f32

1:	ldd	[%o0 + 0x00], %f34

	fxor	%f32, %f34, %f32

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	DES_ROUND(4, 6, 32, 32)

	DES_ROUND(8, 10, 32, 32)

	DES_ROUND(12, 14, 32, 32)

	DES_ROUND(16, 18, 32, 32)

	DES_ROUND(20, 22, 32, 32)

	DES_ROUND(24, 26, 32, 32)

	DES_ROUND(28, 30, 32, 32)

	DES_IIP(32, 32)

	std	%f32, [%o1 + 0x00]

	add	%o0, 0x08, %o0

	subcc	%o2, 0x08, %o2

	bne,pt	%icc, 1b

	 add	%o1, 0x08, %o1

	retl

	 std	%f32, [%o3 + 0x00]

ENDPROC(des_sparc64_cbc_encrypt)



	.align	32

ENTRY(des_sparc64_cbc_decrypt)

	/* %o0=input, %o1=output, %o2=len, %o3=IV */

	ldd	[%o3 + 0x00], %f34

1:	ldd	[%o0 + 0x00], %f36

	DES_IP(36, 32)

	DES_ROUND(0, 2, 32, 32)

	DES_ROUND(4, 6, 32, 32)

	DES_ROUND(8, 10, 32, 32)

	DES_ROUND(12, 14, 32, 32)

	DES_ROUND(16, 18, 32, 32)

	DES_ROUND(20, 22, 32, 32)

	DES_ROUND(24, 26, 32, 32)

	DES_ROUND(28, 30, 32, 32)

	DES_IIP(32, 32)

	fxor	%f32, %f34, %f32

	std	%f32, [%o1 + 0x00]

	add	%o0, 0x08, %o0

	subcc	%o2, 0x08, %o2

	bne,pt	%icc, 1b

	 add	%o1, 0x08, %o1

	retl

	 std	%f36, [%o3 + 0x00]

ENDPROC(des_sparc64_cbc_decrypt)



	.align	32

ENTRY(des3_ede_sparc64_crypt)

	/* %o0=key, %o1=input, %o2=output */

	VISEntry

	ldd	[%o1 + 0x00], %f32

	ldd	[%o0 + 0x00], %f0

	ldd	[%o0 + 0x08], %f2

	ldd	[%o0 + 0x10], %f4

	ldd	[%o0 + 0x18], %f6

	ldd	[%o0 + 0x20], %f8

	ldd	[%o0 + 0x28], %f10

	ldd	[%o0 + 0x30], %f12

	ldd	[%o0 + 0x38], %f14

	ldd	[%o0 + 0x40], %f16

	ldd	[%o0 + 0x48], %f18

	ldd	[%o0 + 0x50], %f20

	ldd	[%o0 + 0x58], %f22

	ldd	[%o0 + 0x60], %f24

	ldd	[%o0 + 0x68], %f26

	ldd	[%o0 + 0x70], %f28

	ldd	[%o0 + 0x78], %f30

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	ldd	[%o0 + 0x80], %f0

	ldd	[%o0 + 0x88], %f2

	DES_ROUND(4, 6, 32, 32)

	ldd	[%o0 + 0x90], %f4

	ldd	[%o0 + 0x98], %f6

	DES_ROUND(8, 10, 32, 32)

	ldd	[%o0 + 0xa0], %f8

	ldd	[%o0 + 0xa8], %f10

	DES_ROUND(12, 14, 32, 32)

	ldd	[%o0 + 0xb0], %f12

	ldd	[%o0 + 0xb8], %f14

	DES_ROUND(16, 18, 32, 32)

	ldd	[%o0 + 0xc0], %f16

	ldd	[%o0 + 0xc8], %f18

	DES_ROUND(20, 22, 32, 32)

	ldd	[%o0 + 0xd0], %f20

	ldd	[%o0 + 0xd8], %f22

	DES_ROUND(24, 26, 32, 32)

	ldd	[%o0 + 0xe0], %f24

	ldd	[%o0 + 0xe8], %f26

	DES_ROUND(28, 30, 32, 32)

	ldd	[%o0 + 0xf0], %f28

	ldd	[%o0 + 0xf8], %f30

	DES_IIP(32, 32)

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	ldd	[%o0 + 0x100], %f0

	ldd	[%o0 + 0x108], %f2

	DES_ROUND(4, 6, 32, 32)

	ldd	[%o0 + 0x110], %f4

	ldd	[%o0 + 0x118], %f6

	DES_ROUND(8, 10, 32, 32)

	ldd	[%o0 + 0x120], %f8

	ldd	[%o0 + 0x128], %f10

	DES_ROUND(12, 14, 32, 32)

	ldd	[%o0 + 0x130], %f12

	ldd	[%o0 + 0x138], %f14

	DES_ROUND(16, 18, 32, 32)

	ldd	[%o0 + 0x140], %f16

	ldd	[%o0 + 0x148], %f18

	DES_ROUND(20, 22, 32, 32)

	ldd	[%o0 + 0x150], %f20

	ldd	[%o0 + 0x158], %f22

	DES_ROUND(24, 26, 32, 32)

	ldd	[%o0 + 0x160], %f24

	ldd	[%o0 + 0x168], %f26

	DES_ROUND(28, 30, 32, 32)

	ldd	[%o0 + 0x170], %f28

	ldd	[%o0 + 0x178], %f30

	DES_IIP(32, 32)

	DES_IP(32, 32)

	DES_ROUND(0, 2, 32, 32)

	DES_ROUND(4, 6, 32, 32)

	DES_ROUND(8, 10, 32, 32)

	DES_ROUND(12, 14, 32, 32)

	DES_ROUND(16, 18, 32, 32)

	DES_ROUND(20, 22, 32, 32)

	DES_ROUND(24, 26, 32, 32)

	DES_ROUND(28, 30, 32, 32)

	DES_IIP(32, 32)



	std	%f32, [%o2 + 0x00]

	retl

	 VISExit

ENDPROC(des3_ede_sparc64_crypt)



	.align	32

ENTRY(des3_ede_sparc64_load_keys)

	/* %o0=key */

	VISEntry

	ldd	[%o0 + 0x00], %f0

	ldd	[%o0 + 0x08], %f2

	ldd	[%o0 + 0x10], %f4

	ldd	[%o0 + 0x18], %f6

	ldd	[%o0 + 0x20], %f8

	ldd	[%o0 + 0x28], %f10

	ldd	[%o0 + 0x30], %f12

	ldd	[%o0 + 0x38], %f14

	ldd	[%o0 + 0x40], %f16

	ldd	[%o0 + 0x48], %f18

	ldd	[%o0 + 0x50], %f20

	ldd	[%o0 + 0x58], %f22

	ldd	[%o0 + 0x60], %f24

	ldd	[%o0 + 0x68], %f26

	ldd	[%o0 + 0x70], %f28

	ldd	[%o0 + 0x78], %f30

	ldd	[%o0 + 0x80], %f32

	ldd	[%o0 + 0x88], %f34

	ldd	[%o0 + 0x90], %f36

	ldd	[%o0 + 0x98], %f38

	ldd	[%o0 + 0xa0], %f40

	ldd	[%o0 + 0xa8], %f42

	ldd	[%o0 + 0xb0], %f44

	ldd	[%o0 + 0xb8], %f46

	ldd	[%o0 + 0xc0], %f48

	ldd	[%o0 + 0xc8], %f50

	ldd	[%o0 + 0xd0], %f52

	ldd	[%o0 + 0xd8], %f54

	ldd	[%o0 + 0xe0], %f56

	retl

	 ldd	[%o0 + 0xe8], %f58

ENDPROC(des3_ede_sparc64_load_keys)



#define DES3_LOOP_BODY(X) \

	DES_IP(X, X) \

	DES_ROUND(0, 2, X, X) \

	DES_ROUND(4, 6, X, X) \

	DES_ROUND(8, 10, X, X) \

	DES_ROUND(12, 14, X, X) \

	DES_ROUND(16, 18, X, X) \

	ldd	[%o0 + 0xf0], %f16; \

	ldd	[%o0 + 0xf8], %f18; \

	DES_ROUND(20, 22, X, X) \

	ldd	[%o0 + 0x100], %f20; \

	ldd	[%o0 + 0x108], %f22; \

	DES_ROUND(24, 26, X, X) \

	ldd	[%o0 + 0x110], %f24; \

	ldd	[%o0 + 0x118], %f26; \

	DES_ROUND(28, 30, X, X) \

	ldd	[%o0 + 0x120], %f28; \

	ldd	[%o0 + 0x128], %f30; \

	DES_IIP(X, X) \

	DES_IP(X, X) \

	DES_ROUND(32, 34, X, X) \

	ldd	[%o0 + 0x130], %f0; \

	ldd	[%o0 + 0x138], %f2; \

	DES_ROUND(36, 38, X, X) \

	ldd	[%o0 + 0x140], %f4; \

	ldd	[%o0 + 0x148], %f6; \

	DES_ROUND(40, 42, X, X) \

	ldd	[%o0 + 0x150], %f8; \

	ldd	[%o0 + 0x158], %f10; \

	DES_ROUND(44, 46, X, X) \

	ldd	[%o0 + 0x160], %f12; \

	ldd	[%o0 + 0x168], %f14; \

	DES_ROUND(48, 50, X, X) \

	DES_ROUND(52, 54, X, X) \

	DES_ROUND(56, 58, X, X) \

	DES_ROUND(16, 18, X, X) \

	ldd	[%o0 + 0x170], %f16; \

	ldd	[%o0 + 0x178], %f18; \

	DES_IIP(X, X) \

	DES_IP(X, X) \

	DES_ROUND(20, 22, X, X) \

	ldd	[%o0 + 0x50], %f20; \

	ldd	[%o0 + 0x58], %f22; \

	DES_ROUND(24, 26, X, X) \

	ldd	[%o0 + 0x60], %f24; \

	ldd	[%o0 + 0x68], %f26; \

	DES_ROUND(28, 30, X, X) \

	ldd	[%o0 + 0x70], %f28; \

	ldd	[%o0 + 0x78], %f30; \

	DES_ROUND(0, 2, X, X) \

	ldd	[%o0 + 0x00], %f0; \

	ldd	[%o0 + 0x08], %f2; \

	DES_ROUND(4, 6, X, X) \

	ldd	[%o0 + 0x10], %f4; \

	ldd	[%o0 + 0x18], %f6; \

	DES_ROUND(8, 10, X, X) \

	ldd	[%o0 + 0x20], %f8; \

	ldd	[%o0 + 0x28], %f10; \

	DES_ROUND(12, 14, X, X) \

	ldd	[%o0 + 0x30], %f12; \

	ldd	[%o0 + 0x38], %f14; \

	DES_ROUND(16, 18, X, X) \

	ldd	[%o0 + 0x40], %f16; \

	ldd	[%o0 + 0x48], %f18; \

	DES_IIP(X, X)



	.align	32

ENTRY(des3_ede_sparc64_ecb_crypt)

	/* %o0=key, %o1=input, %o2=output, %o3=len */

1:	ldd	[%o1 + 0x00], %f60

	DES3_LOOP_BODY(60)

	std	%f60, [%o2 + 0x00]

	subcc	%o3, 0x08, %o3

	bne,pt	%icc, 1b

	 add	%o2, 0x08, %o2

	retl

	 nop

ENDPROC(des3_ede_sparc64_ecb_crypt)



	.align	32

ENTRY(des3_ede_sparc64_cbc_encrypt)

	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */

	ldd	[%o4 + 0x00], %f60

1:	ldd	[%o1 + 0x00], %f62

	fxor	%f60, %f62, %f60

	DES3_LOOP_BODY(60)

	std	%f60, [%o2 + 0x00]

	add	%o1, 0x08, %o1

	subcc	%o3, 0x08, %o3

	bne,pt	%icc, 1b

	 add	%o2, 0x08, %o2

	retl

	 std	%f60, [%o4 + 0x00]

ENDPROC(des3_ede_sparc64_cbc_encrypt)



	.align	32

ENTRY(des3_ede_sparc64_cbc_decrypt)

	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */

	ldd	[%o4 + 0x00], %f62

1:	ldx	[%o1 + 0x00], %g1

	MOVXTOD_G1_F60

	DES3_LOOP_BODY(60)

	fxor	%f62, %f60, %f60

	MOVXTOD_G1_F62

	std	%f60, [%o2 + 0x00]

	add	%o1, 0x08, %o1

	subcc	%o3, 0x08, %o3

	bne,pt	%icc, 1b

	 add	%o2, 0x08, %o2

	retl

	 stx	%g1, [%o4 + 0x00]

ENDPROC(des3_ede_sparc64_cbc_decrypt)

arch/sparc/crypto/des_glue.c

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File added.

Preview size limit exceeded, changes collapsed.

crypto/Kconfig

+8 −0
Original line number Original line Diff line number Diff line
@@ -778,6 +778,14 @@ config CRYPTO_DES 
	help

	help

	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).

	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).





config CRYPTO_DES_SPARC64

	tristate "DES and Triple DES EDE cipher algorithms (SPARC64)"

	select CRYPTO_ALGAPI

	select CRYPTO_DES

	help

	  DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3),

	  optimized using SPARC64 crypto opcodes.



config CRYPTO_FCRYPT

config CRYPTO_FCRYPT

	tristate "FCrypt cipher algorithm"

	tristate "FCrypt cipher algorithm"

	select CRYPTO_ALGAPI

	select CRYPTO_ALGAPI