Import gcrypt public-key cryptography and implement signature checking.

2013-01-11 21:32:42 +01:00 · 2013-01-11 21:32:42 +01:00 · 5e3b8dcbb5
commit 5e3b8dcbb5
parent 535714bdcf
238 changed files with 40500 additions and 417 deletions
--- a/grub-core/lib/libgcrypt/mpi/sparc32v8/mpih-mul1.S
+++ b/grub-core/lib/libgcrypt/mpi/sparc32v8/mpih-mul1.S
@ -0,0 +1,109 @@
+/* SPARC v8 __mpn_mul_1 -- Multiply a limb vector with a single limb and
+ *                         store the product in a second limb vector.
+ *
+ *      Copyright (C) 1992, 1994, 1995, 1998,
+ *                    2001, 2002 Free Software Foundation, Inc.
+ *       
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ *	 Actually it's the same code with only minor changes in the
+ *	 way the data is stored; this is to support the abstraction
+ *	 of an optional secure memory allocation which may be used
+ *	 to avoid revealing of sensitive data due to paging etc.
+ */
+
+
+
+! INPUT PARAMETERS
+! res_ptr	o0
+! s1_ptr	o1
+! size		o2
+! s2_limb	o3
+
+#include "sysdep.h"
+
+.text
+	.align	8
+	.global C_SYMBOL_NAME(_gcry_mpih_mul_1)
+C_SYMBOL_NAME(_gcry_mpih_mul_1):
+	sll	%o2,4,%g1
+	and	%g1,(4-1)<<4,%g1
+#if PIC
+	mov	%o7,%g4 		! Save return address register
+	call	1f
+	add	%o7,LL-1f,%g3
+1:	mov	%g4,%o7 		! Restore return address register
+#else
+	sethi	%hi(LL),%g3
+	or	%g3,%lo(LL),%g3
+#endif
+	jmp	%g3+%g1
+	ld	[%o1+0],%o4	! 1
+LL:
+LL00:	add	%o0,-4,%o0
+	add	%o1,-4,%o1
+	b	Loop00		/* 4, 8, 12, ... */
+	orcc	%g0,%g0,%g2
+LL01:	b	Loop01		/* 1, 5, 9, ... */
+	orcc	%g0,%g0,%g2
+	nop
+	nop
+LL10:	add	%o0,-12,%o0	/* 2, 6, 10, ... */
+	add	%o1,4,%o1
+	b	Loop10
+	orcc	%g0,%g0,%g2
+	nop
+LL11:	add	%o0,-8,%o0	/* 3, 7, 11, ... */
+	add	%o1,-8,%o1
+	b	Loop11
+	orcc	%g0,%g0,%g2
+
+Loop:	addcc	%g3,%g2,%g3	! 1
+	ld	[%o1+4],%o4	! 2
+	st	%g3,[%o0+0]	! 1
+	rd	%y,%g2		! 1
+Loop00: umul	%o4,%o3,%g3	! 2
+	addxcc	%g3,%g2,%g3	! 2
+	ld	[%o1+8],%o4	! 3
+	st	%g3,[%o0+4]	! 2
+	rd	%y,%g2		! 2
+Loop11: umul	%o4,%o3,%g3	! 3
+	addxcc	%g3,%g2,%g3	! 3
+	ld	[%o1+12],%o4	! 4
+	add	%o1,16,%o1
+	st	%g3,[%o0+8]	! 3
+	rd	%y,%g2		! 3
+Loop10: umul	%o4,%o3,%g3	! 4
+	addxcc	%g3,%g2,%g3	! 4
+	ld	[%o1+0],%o4	! 1
+	st	%g3,[%o0+12]	! 4
+	add	%o0,16,%o0
+	rd	%y,%g2		! 4
+	addx	%g0,%g2,%g2
+Loop01: addcc	%o2,-4,%o2
+	bg	Loop
+	umul	%o4,%o3,%g3	! 1
+
+	addcc	%g3,%g2,%g3	! 4
+	st	%g3,[%o0+0]	! 4
+	rd	%y,%g2		! 4
+
+	retl
+	addx	%g0,%g2,%o0
+
+