2007-07-13 Roland McGrath <roland@redhat.com>
* sha1.h: New file (from gnulib). * sha1.c: New file (from gnulib). * Makefile.am (CFILES, HFILES, OFILES, ld_new_SOURCES): Add them. (sha1.o): New target. * Makefile.in: Regenerated.
This commit is contained in:
Roland McGrath
parent
24382dca6c
commit
5586bca14d
@ -428,23 +428,23 @@ ALL_EMUL_EXTRA_OFILES = \
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CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \
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CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \
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ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \
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ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \
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mri.c ldcref.c pe-dll.c pep-dll.c
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mri.c ldcref.c pe-dll.c pep-dll.c sha1.c
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HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
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HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
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ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
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ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
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ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h
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ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h sha1.h
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GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
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GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
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GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
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GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
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OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \
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OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \
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ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \
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ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \
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ldfile.o ldcref.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES}
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ldfile.o ldcref.o sha1.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES}
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STAGESTUFF = *.o ldscripts/* e*.c
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STAGESTUFF = *.o ldscripts/* e*.c
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# Disable -Werror, if it has been enabled, since old versions of bison/
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# Disable -Werror, if it has been enabled, since old versions of bison/
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# yacc will produce working code which contain compile time warnings.
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# yacc will produce working code which contain compile time warnings.
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ldgram.o:
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ldgram.o:
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$(COMPILE) -c $< $(NO_WERROR)
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$(COMPILE) -c $< $(NO_WERROR)
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ldlex.o:
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ldlex.o:
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@ -674,7 +674,7 @@ eelf32xc16xl.c: $(srcdir)/emulparams/elf32xc16xl.sh \
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eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \
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eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)"
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${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)"
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eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \
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eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS}
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@ -749,7 +749,7 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
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${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
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${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
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eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \
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eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \
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$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \
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$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \
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$(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)"
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${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)"
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eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
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eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
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$(ELF_DEPS) \
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$(ELF_DEPS) \
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@ -768,7 +768,7 @@ eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \
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${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
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${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
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eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \
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eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \
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$(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \
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$(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32crx "$(tdir_elf32crx)"
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${GENSCRIPTS} elf32crx "$(tdir_elf32crx)"
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eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
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eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
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$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
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$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
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@ -1696,7 +1696,7 @@ ez8002.c: $(srcdir)/emulparams/z8002.sh \
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EXTRA_ld_new_SOURCES = deffilep.y
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EXTRA_ld_new_SOURCES = deffilep.y
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ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \
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ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \
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ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c
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ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c sha1.c
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ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP)
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ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP)
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ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL)
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ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL)
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@ -2047,4 +2047,5 @@ deffilep.o: deffilep.c sysdep.h config.h $(INCDIR)/fopen-same.h \
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$(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \
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$(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \
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../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
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../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
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ld.h ldmisc.h deffile.h
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ld.h ldmisc.h deffile.h
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sha1.o: sha1.c config.h sha1.h
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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@ -75,7 +75,7 @@ am_ld_new_OBJECTS = ldgram.$(OBJEXT) ldlex.$(OBJEXT) lexsup.$(OBJEXT) \
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ldlang.$(OBJEXT) mri.$(OBJEXT) ldctor.$(OBJEXT) \
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ldlang.$(OBJEXT) mri.$(OBJEXT) ldctor.$(OBJEXT) \
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ldmain.$(OBJEXT) ldwrite.$(OBJEXT) ldexp.$(OBJEXT) \
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ldmain.$(OBJEXT) ldwrite.$(OBJEXT) ldexp.$(OBJEXT) \
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ldemul.$(OBJEXT) ldver.$(OBJEXT) ldmisc.$(OBJEXT) \
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ldemul.$(OBJEXT) ldver.$(OBJEXT) ldmisc.$(OBJEXT) \
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ldfile.$(OBJEXT) ldcref.$(OBJEXT)
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ldfile.$(OBJEXT) ldcref.$(OBJEXT) sha1.$(OBJEXT)
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ld_new_OBJECTS = $(am_ld_new_OBJECTS)
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ld_new_OBJECTS = $(am_ld_new_OBJECTS)
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am__DEPENDENCIES_1 =
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am__DEPENDENCIES_1 =
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am__DEPENDENCIES_2 = ../bfd/libbfd.la
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am__DEPENDENCIES_2 = ../bfd/libbfd.la
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@ -675,17 +675,17 @@ ALL_EMUL_EXTRA_OFILES = \
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CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \
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CFILES = ldctor.c ldemul.c ldexp.c ldfile.c ldlang.c \
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ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \
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ldmain.c ldmisc.c ldver.c ldwrite.c lexsup.c \
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mri.c ldcref.c pe-dll.c pep-dll.c
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mri.c ldcref.c pe-dll.c pep-dll.c sha1.c
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HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
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HFILES = ld.h ldctor.h ldemul.h ldexp.h ldfile.h \
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ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
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ldlang.h ldlex.h ldmain.h ldmisc.h ldver.h \
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ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h
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ldwrite.h mri.h deffile.h pe-dll.h pep-dll.h elf-hints-local.h sha1.h
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GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
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GENERATED_CFILES = ldgram.c ldlex.c deffilep.c
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GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
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GENERATED_HFILES = ldgram.h ldemul-list.h deffilep.h
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OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \
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OFILES = ldgram.o ldlex.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o \
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ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \
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ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o \
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ldfile.o ldcref.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES}
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ldfile.o ldcref.o sha1.o ${EMULATION_OFILES} ${EMUL_EXTRA_OFILES}
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STAGESTUFF = *.o ldscripts/* e*.c
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STAGESTUFF = *.o ldscripts/* e*.c
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@ -703,7 +703,7 @@ ELF_GEN_DEPS = $(srcdir)/emultempl/generic.em $(srcdir)/emultempl/elf-generic.em
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# We need this for automake to use YLWRAP.
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# We need this for automake to use YLWRAP.
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EXTRA_ld_new_SOURCES = deffilep.y
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EXTRA_ld_new_SOURCES = deffilep.y
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ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \
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ld_new_SOURCES = ldgram.y ldlex.l lexsup.c ldlang.c mri.c ldctor.c ldmain.c \
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ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c
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ldwrite.c ldexp.c ldemul.c ldver.c ldmisc.c ldfile.c ldcref.c sha1.c
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ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP)
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ld_new_DEPENDENCIES = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL_DEP)
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ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL)
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ld_new_LDADD = $(EMULATION_OFILES) $(EMUL_EXTRA_OFILES) $(BFDLIB) $(LIBIBERTY) $(LIBINTL)
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@ -1283,7 +1283,7 @@ uninstall-man: uninstall-man1
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# Disable -Werror, if it has been enabled, since old versions of bison/
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# Disable -Werror, if it has been enabled, since old versions of bison/
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# yacc will produce working code which contain compile time warnings.
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# yacc will produce working code which contain compile time warnings.
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ldgram.o:
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ldgram.o:
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$(COMPILE) -c $< $(NO_WERROR)
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$(COMPILE) -c $< $(NO_WERROR)
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ldlex.o:
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ldlex.o:
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@ -1500,7 +1500,7 @@ eelf32xc16xl.c: $(srcdir)/emulparams/elf32xc16xl.sh \
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eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \
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eelf32xc16xs.c: $(srcdir)/emulparams/elf32xc16xs.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)"
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${GENSCRIPTS} elf32xc16xs "$(tdir_xc16xs)"
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eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \
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eelf32xstormy16.c: $(srcdir)/emulparams/elf32xstormy16.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(ELF_DEPS) $(srcdir)/emultempl/needrelax.em \
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$(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/xstormy16.sc ${GEN_DEPENDS}
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@ -1575,7 +1575,7 @@ eelf32b4300.c: $(srcdir)/emulparams/elf32b4300.sh \
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${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
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${GENSCRIPTS} elf32b4300 "$(tdir_elf32b4300)"
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eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \
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eelf32cr16.c: $(srcdir)/emulparams/elf32cr16.sh \
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$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \
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$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/cr16elf.em \
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$(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf32cr16.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)"
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${GENSCRIPTS} elf32cr16 "$(tdir_elf32crx)"
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eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
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eelf32cr16c.c: $(srcdir)/emulparams/elf32cr16c.sh \
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$(ELF_DEPS) \
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$(ELF_DEPS) \
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@ -1594,7 +1594,7 @@ eelf32btsmip.c: $(srcdir)/emulparams/elf32btsmip.sh \
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${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
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${GENSCRIPTS} elf32btsmip "$(tdir_elf32btsmip)"
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eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \
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eelf32crx.c: $(srcdir)/emulparams/elf32crx.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \
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$(ELF_DEPS) $(srcdir)/emultempl/crxelf.em \
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$(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS}
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$(srcdir)/scripttempl/elf32crx.sc ${GEN_DEPENDS}
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${GENSCRIPTS} elf32crx "$(tdir_elf32crx)"
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${GENSCRIPTS} elf32crx "$(tdir_elf32crx)"
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eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
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eelf32btsmipn32.c: $(srcdir)/emulparams/elf32btsmipn32.sh \
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$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
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$(srcdir)/emulparams/elf32bmipn32-defs.sh $(ELF_DEPS) \
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@ -2834,6 +2834,7 @@ deffilep.o: deffilep.c sysdep.h config.h $(INCDIR)/fopen-same.h \
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$(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \
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$(INCDIR)/libiberty.h $(INCDIR)/ansidecl.h $(INCDIR)/safe-ctype.h \
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../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
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../bfd/bfd.h $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
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ld.h ldmisc.h deffile.h
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ld.h ldmisc.h deffile.h
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sha1.o: sha1.c config.h sha1.h
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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# IF YOU PUT ANYTHING HERE IT WILL GO AWAY
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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416
ld/sha1.c
Normal file
416
ld/sha1.c
Normal file
@ -0,0 +1,416 @@
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/* sha1.c - Functions to compute SHA1 message digest of files or
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memory blocks according to the NIST specification FIPS-180-1.
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Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006 Free Software
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Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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||||||
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||||||
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You should have received a copy of the GNU General Public License
|
||||||
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along with this program; if not, write to the Free Software Foundation,
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||||||
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Scott G. Miller
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Credits:
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Robert Klep <robert@ilse.nl> -- Expansion function fix
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*/
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#include <config.h>
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#include "sha1.h"
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#include <stddef.h>
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#include <string.h>
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#if USE_UNLOCKED_IO
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# include "unlocked-io.h"
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#endif
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#ifdef WORDS_BIGENDIAN
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# define SWAP(n) (n)
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#else
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||||||
|
# define SWAP(n) \
|
||||||
|
(((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define BLOCKSIZE 4096
|
||||||
|
#if BLOCKSIZE % 64 != 0
|
||||||
|
# error "invalid BLOCKSIZE"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* This array contains the bytes used to pad the buffer to the next
|
||||||
|
64-byte boundary. (RFC 1321, 3.1: Step 1) */
|
||||||
|
static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ... */ };
|
||||||
|
|
||||||
|
|
||||||
|
/* Take a pointer to a 160 bit block of data (five 32 bit ints) and
|
||||||
|
initialize it to the start constants of the SHA1 algorithm. This
|
||||||
|
must be called before using hash in the call to sha1_hash. */
|
||||||
|
void
|
||||||
|
sha1_init_ctx (struct sha1_ctx *ctx)
|
||||||
|
{
|
||||||
|
ctx->A = 0x67452301;
|
||||||
|
ctx->B = 0xefcdab89;
|
||||||
|
ctx->C = 0x98badcfe;
|
||||||
|
ctx->D = 0x10325476;
|
||||||
|
ctx->E = 0xc3d2e1f0;
|
||||||
|
|
||||||
|
ctx->total[0] = ctx->total[1] = 0;
|
||||||
|
ctx->buflen = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Put result from CTX in first 20 bytes following RESBUF. The result
|
||||||
|
must be in little endian byte order.
|
||||||
|
|
||||||
|
IMPORTANT: On some systems it is required that RESBUF is correctly
|
||||||
|
aligned for a 32-bit value. */
|
||||||
|
void *
|
||||||
|
sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf)
|
||||||
|
{
|
||||||
|
((uint32_t *) resbuf)[0] = SWAP (ctx->A);
|
||||||
|
((uint32_t *) resbuf)[1] = SWAP (ctx->B);
|
||||||
|
((uint32_t *) resbuf)[2] = SWAP (ctx->C);
|
||||||
|
((uint32_t *) resbuf)[3] = SWAP (ctx->D);
|
||||||
|
((uint32_t *) resbuf)[4] = SWAP (ctx->E);
|
||||||
|
|
||||||
|
return resbuf;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Process the remaining bytes in the internal buffer and the usual
|
||||||
|
prolog according to the standard and write the result to RESBUF.
|
||||||
|
|
||||||
|
IMPORTANT: On some systems it is required that RESBUF is correctly
|
||||||
|
aligned for a 32-bit value. */
|
||||||
|
void *
|
||||||
|
sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf)
|
||||||
|
{
|
||||||
|
/* Take yet unprocessed bytes into account. */
|
||||||
|
uint32_t bytes = ctx->buflen;
|
||||||
|
size_t size = (bytes < 56) ? 64 / 4 : 64 * 2 / 4;
|
||||||
|
|
||||||
|
/* Now count remaining bytes. */
|
||||||
|
ctx->total[0] += bytes;
|
||||||
|
if (ctx->total[0] < bytes)
|
||||||
|
++ctx->total[1];
|
||||||
|
|
||||||
|
/* Put the 64-bit file length in *bits* at the end of the buffer. */
|
||||||
|
ctx->buffer[size - 2] = SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29));
|
||||||
|
ctx->buffer[size - 1] = SWAP (ctx->total[0] << 3);
|
||||||
|
|
||||||
|
memcpy (&((char *) ctx->buffer)[bytes], fillbuf, (size - 2) * 4 - bytes);
|
||||||
|
|
||||||
|
/* Process last bytes. */
|
||||||
|
sha1_process_block (ctx->buffer, size * 4, ctx);
|
||||||
|
|
||||||
|
return sha1_read_ctx (ctx, resbuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Compute SHA1 message digest for bytes read from STREAM. The
|
||||||
|
resulting message digest number will be written into the 16 bytes
|
||||||
|
beginning at RESBLOCK. */
|
||||||
|
int
|
||||||
|
sha1_stream (FILE *stream, void *resblock)
|
||||||
|
{
|
||||||
|
struct sha1_ctx ctx;
|
||||||
|
char buffer[BLOCKSIZE + 72];
|
||||||
|
size_t sum;
|
||||||
|
|
||||||
|
/* Initialize the computation context. */
|
||||||
|
sha1_init_ctx (&ctx);
|
||||||
|
|
||||||
|
/* Iterate over full file contents. */
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
/* We read the file in blocks of BLOCKSIZE bytes. One call of the
|
||||||
|
computation function processes the whole buffer so that with the
|
||||||
|
next round of the loop another block can be read. */
|
||||||
|
size_t n;
|
||||||
|
sum = 0;
|
||||||
|
|
||||||
|
/* Read block. Take care for partial reads. */
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
|
||||||
|
|
||||||
|
sum += n;
|
||||||
|
|
||||||
|
if (sum == BLOCKSIZE)
|
||||||
|
break;
|
||||||
|
|
||||||
|
if (n == 0)
|
||||||
|
{
|
||||||
|
/* Check for the error flag IFF N == 0, so that we don't
|
||||||
|
exit the loop after a partial read due to e.g., EAGAIN
|
||||||
|
or EWOULDBLOCK. */
|
||||||
|
if (ferror (stream))
|
||||||
|
return 1;
|
||||||
|
goto process_partial_block;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* We've read at least one byte, so ignore errors. But always
|
||||||
|
check for EOF, since feof may be true even though N > 0.
|
||||||
|
Otherwise, we could end up calling fread after EOF. */
|
||||||
|
if (feof (stream))
|
||||||
|
goto process_partial_block;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Process buffer with BLOCKSIZE bytes. Note that
|
||||||
|
BLOCKSIZE % 64 == 0
|
||||||
|
*/
|
||||||
|
sha1_process_block (buffer, BLOCKSIZE, &ctx);
|
||||||
|
}
|
||||||
|
|
||||||
|
process_partial_block:;
|
||||||
|
|
||||||
|
/* Process any remaining bytes. */
|
||||||
|
if (sum > 0)
|
||||||
|
sha1_process_bytes (buffer, sum, &ctx);
|
||||||
|
|
||||||
|
/* Construct result in desired memory. */
|
||||||
|
sha1_finish_ctx (&ctx, resblock);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The
|
||||||
|
result is always in little endian byte order, so that a byte-wise
|
||||||
|
output yields to the wanted ASCII representation of the message
|
||||||
|
digest. */
|
||||||
|
void *
|
||||||
|
sha1_buffer (const char *buffer, size_t len, void *resblock)
|
||||||
|
{
|
||||||
|
struct sha1_ctx ctx;
|
||||||
|
|
||||||
|
/* Initialize the computation context. */
|
||||||
|
sha1_init_ctx (&ctx);
|
||||||
|
|
||||||
|
/* Process whole buffer but last len % 64 bytes. */
|
||||||
|
sha1_process_bytes (buffer, len, &ctx);
|
||||||
|
|
||||||
|
/* Put result in desired memory area. */
|
||||||
|
return sha1_finish_ctx (&ctx, resblock);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx)
|
||||||
|
{
|
||||||
|
/* When we already have some bits in our internal buffer concatenate
|
||||||
|
both inputs first. */
|
||||||
|
if (ctx->buflen != 0)
|
||||||
|
{
|
||||||
|
size_t left_over = ctx->buflen;
|
||||||
|
size_t add = 128 - left_over > len ? len : 128 - left_over;
|
||||||
|
|
||||||
|
memcpy (&((char *) ctx->buffer)[left_over], buffer, add);
|
||||||
|
ctx->buflen += add;
|
||||||
|
|
||||||
|
if (ctx->buflen > 64)
|
||||||
|
{
|
||||||
|
sha1_process_block (ctx->buffer, ctx->buflen & ~63, ctx);
|
||||||
|
|
||||||
|
ctx->buflen &= 63;
|
||||||
|
/* The regions in the following copy operation cannot overlap. */
|
||||||
|
memcpy (ctx->buffer,
|
||||||
|
&((char *) ctx->buffer)[(left_over + add) & ~63],
|
||||||
|
ctx->buflen);
|
||||||
|
}
|
||||||
|
|
||||||
|
buffer = (const char *) buffer + add;
|
||||||
|
len -= add;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Process available complete blocks. */
|
||||||
|
if (len >= 64)
|
||||||
|
{
|
||||||
|
#if !_STRING_ARCH_unaligned
|
||||||
|
# define alignof(type) offsetof (struct { char c; type x; }, x)
|
||||||
|
# define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0)
|
||||||
|
if (UNALIGNED_P (buffer))
|
||||||
|
while (len > 64)
|
||||||
|
{
|
||||||
|
sha1_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
|
||||||
|
buffer = (const char *) buffer + 64;
|
||||||
|
len -= 64;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
#endif
|
||||||
|
{
|
||||||
|
sha1_process_block (buffer, len & ~63, ctx);
|
||||||
|
buffer = (const char *) buffer + (len & ~63);
|
||||||
|
len &= 63;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Move remaining bytes in internal buffer. */
|
||||||
|
if (len > 0)
|
||||||
|
{
|
||||||
|
size_t left_over = ctx->buflen;
|
||||||
|
|
||||||
|
memcpy (&((char *) ctx->buffer)[left_over], buffer, len);
|
||||||
|
left_over += len;
|
||||||
|
if (left_over >= 64)
|
||||||
|
{
|
||||||
|
sha1_process_block (ctx->buffer, 64, ctx);
|
||||||
|
left_over -= 64;
|
||||||
|
memcpy (ctx->buffer, &ctx->buffer[16], left_over);
|
||||||
|
}
|
||||||
|
ctx->buflen = left_over;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* --- Code below is the primary difference between md5.c and sha1.c --- */
|
||||||
|
|
||||||
|
/* SHA1 round constants */
|
||||||
|
#define K1 0x5a827999
|
||||||
|
#define K2 0x6ed9eba1
|
||||||
|
#define K3 0x8f1bbcdc
|
||||||
|
#define K4 0xca62c1d6
|
||||||
|
|
||||||
|
/* Round functions. Note that F2 is the same as F4. */
|
||||||
|
#define F1(B,C,D) ( D ^ ( B & ( C ^ D ) ) )
|
||||||
|
#define F2(B,C,D) (B ^ C ^ D)
|
||||||
|
#define F3(B,C,D) ( ( B & C ) | ( D & ( B | C ) ) )
|
||||||
|
#define F4(B,C,D) (B ^ C ^ D)
|
||||||
|
|
||||||
|
/* Process LEN bytes of BUFFER, accumulating context into CTX.
|
||||||
|
It is assumed that LEN % 64 == 0.
|
||||||
|
Most of this code comes from GnuPG's cipher/sha1.c. */
|
||||||
|
|
||||||
|
void
|
||||||
|
sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx)
|
||||||
|
{
|
||||||
|
const uint32_t *words = buffer;
|
||||||
|
size_t nwords = len / sizeof (uint32_t);
|
||||||
|
const uint32_t *endp = words + nwords;
|
||||||
|
uint32_t x[16];
|
||||||
|
uint32_t a = ctx->A;
|
||||||
|
uint32_t b = ctx->B;
|
||||||
|
uint32_t c = ctx->C;
|
||||||
|
uint32_t d = ctx->D;
|
||||||
|
uint32_t e = ctx->E;
|
||||||
|
|
||||||
|
/* First increment the byte count. RFC 1321 specifies the possible
|
||||||
|
length of the file up to 2^64 bits. Here we only compute the
|
||||||
|
number of bytes. Do a double word increment. */
|
||||||
|
ctx->total[0] += len;
|
||||||
|
if (ctx->total[0] < len)
|
||||||
|
++ctx->total[1];
|
||||||
|
|
||||||
|
#define rol(x, n) (((x) << (n)) | ((uint32_t) (x) >> (32 - (n))))
|
||||||
|
|
||||||
|
#define M(I) ( tm = x[I&0x0f] ^ x[(I-14)&0x0f] \
|
||||||
|
^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \
|
||||||
|
, (x[I&0x0f] = rol(tm, 1)) )
|
||||||
|
|
||||||
|
#define R(A,B,C,D,E,F,K,M) do { E += rol( A, 5 ) \
|
||||||
|
+ F( B, C, D ) \
|
||||||
|
+ K \
|
||||||
|
+ M; \
|
||||||
|
B = rol( B, 30 ); \
|
||||||
|
} while(0)
|
||||||
|
|
||||||
|
while (words < endp)
|
||||||
|
{
|
||||||
|
uint32_t tm;
|
||||||
|
int t;
|
||||||
|
for (t = 0; t < 16; t++)
|
||||||
|
{
|
||||||
|
x[t] = SWAP (*words);
|
||||||
|
words++;
|
||||||
|
}
|
||||||
|
|
||||||
|
R( a, b, c, d, e, F1, K1, x[ 0] );
|
||||||
|
R( e, a, b, c, d, F1, K1, x[ 1] );
|
||||||
|
R( d, e, a, b, c, F1, K1, x[ 2] );
|
||||||
|
R( c, d, e, a, b, F1, K1, x[ 3] );
|
||||||
|
R( b, c, d, e, a, F1, K1, x[ 4] );
|
||||||
|
R( a, b, c, d, e, F1, K1, x[ 5] );
|
||||||
|
R( e, a, b, c, d, F1, K1, x[ 6] );
|
||||||
|
R( d, e, a, b, c, F1, K1, x[ 7] );
|
||||||
|
R( c, d, e, a, b, F1, K1, x[ 8] );
|
||||||
|
R( b, c, d, e, a, F1, K1, x[ 9] );
|
||||||
|
R( a, b, c, d, e, F1, K1, x[10] );
|
||||||
|
R( e, a, b, c, d, F1, K1, x[11] );
|
||||||
|
R( d, e, a, b, c, F1, K1, x[12] );
|
||||||
|
R( c, d, e, a, b, F1, K1, x[13] );
|
||||||
|
R( b, c, d, e, a, F1, K1, x[14] );
|
||||||
|
R( a, b, c, d, e, F1, K1, x[15] );
|
||||||
|
R( e, a, b, c, d, F1, K1, M(16) );
|
||||||
|
R( d, e, a, b, c, F1, K1, M(17) );
|
||||||
|
R( c, d, e, a, b, F1, K1, M(18) );
|
||||||
|
R( b, c, d, e, a, F1, K1, M(19) );
|
||||||
|
R( a, b, c, d, e, F2, K2, M(20) );
|
||||||
|
R( e, a, b, c, d, F2, K2, M(21) );
|
||||||
|
R( d, e, a, b, c, F2, K2, M(22) );
|
||||||
|
R( c, d, e, a, b, F2, K2, M(23) );
|
||||||
|
R( b, c, d, e, a, F2, K2, M(24) );
|
||||||
|
R( a, b, c, d, e, F2, K2, M(25) );
|
||||||
|
R( e, a, b, c, d, F2, K2, M(26) );
|
||||||
|
R( d, e, a, b, c, F2, K2, M(27) );
|
||||||
|
R( c, d, e, a, b, F2, K2, M(28) );
|
||||||
|
R( b, c, d, e, a, F2, K2, M(29) );
|
||||||
|
R( a, b, c, d, e, F2, K2, M(30) );
|
||||||
|
R( e, a, b, c, d, F2, K2, M(31) );
|
||||||
|
R( d, e, a, b, c, F2, K2, M(32) );
|
||||||
|
R( c, d, e, a, b, F2, K2, M(33) );
|
||||||
|
R( b, c, d, e, a, F2, K2, M(34) );
|
||||||
|
R( a, b, c, d, e, F2, K2, M(35) );
|
||||||
|
R( e, a, b, c, d, F2, K2, M(36) );
|
||||||
|
R( d, e, a, b, c, F2, K2, M(37) );
|
||||||
|
R( c, d, e, a, b, F2, K2, M(38) );
|
||||||
|
R( b, c, d, e, a, F2, K2, M(39) );
|
||||||
|
R( a, b, c, d, e, F3, K3, M(40) );
|
||||||
|
R( e, a, b, c, d, F3, K3, M(41) );
|
||||||
|
R( d, e, a, b, c, F3, K3, M(42) );
|
||||||
|
R( c, d, e, a, b, F3, K3, M(43) );
|
||||||
|
R( b, c, d, e, a, F3, K3, M(44) );
|
||||||
|
R( a, b, c, d, e, F3, K3, M(45) );
|
||||||
|
R( e, a, b, c, d, F3, K3, M(46) );
|
||||||
|
R( d, e, a, b, c, F3, K3, M(47) );
|
||||||
|
R( c, d, e, a, b, F3, K3, M(48) );
|
||||||
|
R( b, c, d, e, a, F3, K3, M(49) );
|
||||||
|
R( a, b, c, d, e, F3, K3, M(50) );
|
||||||
|
R( e, a, b, c, d, F3, K3, M(51) );
|
||||||
|
R( d, e, a, b, c, F3, K3, M(52) );
|
||||||
|
R( c, d, e, a, b, F3, K3, M(53) );
|
||||||
|
R( b, c, d, e, a, F3, K3, M(54) );
|
||||||
|
R( a, b, c, d, e, F3, K3, M(55) );
|
||||||
|
R( e, a, b, c, d, F3, K3, M(56) );
|
||||||
|
R( d, e, a, b, c, F3, K3, M(57) );
|
||||||
|
R( c, d, e, a, b, F3, K3, M(58) );
|
||||||
|
R( b, c, d, e, a, F3, K3, M(59) );
|
||||||
|
R( a, b, c, d, e, F4, K4, M(60) );
|
||||||
|
R( e, a, b, c, d, F4, K4, M(61) );
|
||||||
|
R( d, e, a, b, c, F4, K4, M(62) );
|
||||||
|
R( c, d, e, a, b, F4, K4, M(63) );
|
||||||
|
R( b, c, d, e, a, F4, K4, M(64) );
|
||||||
|
R( a, b, c, d, e, F4, K4, M(65) );
|
||||||
|
R( e, a, b, c, d, F4, K4, M(66) );
|
||||||
|
R( d, e, a, b, c, F4, K4, M(67) );
|
||||||
|
R( c, d, e, a, b, F4, K4, M(68) );
|
||||||
|
R( b, c, d, e, a, F4, K4, M(69) );
|
||||||
|
R( a, b, c, d, e, F4, K4, M(70) );
|
||||||
|
R( e, a, b, c, d, F4, K4, M(71) );
|
||||||
|
R( d, e, a, b, c, F4, K4, M(72) );
|
||||||
|
R( c, d, e, a, b, F4, K4, M(73) );
|
||||||
|
R( b, c, d, e, a, F4, K4, M(74) );
|
||||||
|
R( a, b, c, d, e, F4, K4, M(75) );
|
||||||
|
R( e, a, b, c, d, F4, K4, M(76) );
|
||||||
|
R( d, e, a, b, c, F4, K4, M(77) );
|
||||||
|
R( c, d, e, a, b, F4, K4, M(78) );
|
||||||
|
R( b, c, d, e, a, F4, K4, M(79) );
|
||||||
|
|
||||||
|
a = ctx->A += a;
|
||||||
|
b = ctx->B += b;
|
||||||
|
c = ctx->C += c;
|
||||||
|
d = ctx->D += d;
|
||||||
|
e = ctx->E += e;
|
||||||
|
}
|
||||||
|
}
|
||||||
87
ld/sha1.h
Normal file
87
ld/sha1.h
Normal file
@ -0,0 +1,87 @@
|
|||||||
|
/* Declarations of functions and data types used for SHA1 sum
|
||||||
|
library functions.
|
||||||
|
Copyright (C) 2000, 2001, 2003, 2005, 2006 Free Software Foundation, Inc.
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify it
|
||||||
|
under the terms of the GNU General Public License as published by the
|
||||||
|
Free Software Foundation; either version 2, or (at your option) any
|
||||||
|
later version.
|
||||||
|
|
||||||
|
This program 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 General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program; if not, write to the Free Software Foundation,
|
||||||
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
||||||
|
|
||||||
|
#ifndef SHA1_H
|
||||||
|
# define SHA1_H 1
|
||||||
|
|
||||||
|
# include <stdio.h>
|
||||||
|
# include <stdint.h>
|
||||||
|
|
||||||
|
/* Structure to save state of computation between the single steps. */
|
||||||
|
struct sha1_ctx
|
||||||
|
{
|
||||||
|
uint32_t A;
|
||||||
|
uint32_t B;
|
||||||
|
uint32_t C;
|
||||||
|
uint32_t D;
|
||||||
|
uint32_t E;
|
||||||
|
|
||||||
|
uint32_t total[2];
|
||||||
|
uint32_t buflen;
|
||||||
|
uint32_t buffer[32];
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/* Initialize structure containing state of computation. */
|
||||||
|
extern void sha1_init_ctx (struct sha1_ctx *ctx);
|
||||||
|
|
||||||
|
/* Starting with the result of former calls of this function (or the
|
||||||
|
initialization function update the context for the next LEN bytes
|
||||||
|
starting at BUFFER.
|
||||||
|
It is necessary that LEN is a multiple of 64!!! */
|
||||||
|
extern void sha1_process_block (const void *buffer, size_t len,
|
||||||
|
struct sha1_ctx *ctx);
|
||||||
|
|
||||||
|
/* Starting with the result of former calls of this function (or the
|
||||||
|
initialization function update the context for the next LEN bytes
|
||||||
|
starting at BUFFER.
|
||||||
|
It is NOT required that LEN is a multiple of 64. */
|
||||||
|
extern void sha1_process_bytes (const void *buffer, size_t len,
|
||||||
|
struct sha1_ctx *ctx);
|
||||||
|
|
||||||
|
/* Process the remaining bytes in the buffer and put result from CTX
|
||||||
|
in first 20 bytes following RESBUF. The result is always in little
|
||||||
|
endian byte order, so that a byte-wise output yields to the wanted
|
||||||
|
ASCII representation of the message digest.
|
||||||
|
|
||||||
|
IMPORTANT: On some systems it is required that RESBUF be correctly
|
||||||
|
aligned for a 32 bits value. */
|
||||||
|
extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf);
|
||||||
|
|
||||||
|
|
||||||
|
/* Put result from CTX in first 20 bytes following RESBUF. The result is
|
||||||
|
always in little endian byte order, so that a byte-wise output yields
|
||||||
|
to the wanted ASCII representation of the message digest.
|
||||||
|
|
||||||
|
IMPORTANT: On some systems it is required that RESBUF is correctly
|
||||||
|
aligned for a 32 bits value. */
|
||||||
|
extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf);
|
||||||
|
|
||||||
|
|
||||||
|
/* Compute SHA1 message digest for bytes read from STREAM. The
|
||||||
|
resulting message digest number will be written into the 20 bytes
|
||||||
|
beginning at RESBLOCK. */
|
||||||
|
extern int sha1_stream (FILE *stream, void *resblock);
|
||||||
|
|
||||||
|
/* Compute SHA1 message digest for LEN bytes beginning at BUFFER. The
|
||||||
|
result is always in little endian byte order, so that a byte-wise
|
||||||
|
output yields to the wanted ASCII representation of the message
|
||||||
|
digest. */
|
||||||
|
extern void *sha1_buffer (const char *buffer, size_t len, void *resblock);
|
||||||
|
|
||||||
|
#endif
|
||||||
Loading…
Reference in New Issue
Block a user