include compiler defines and other minor refinements
This commit is contained in:
Larry Bugbee
Steffen Jaeckel
parent
fd140d4535
commit
1b29ce896f
60
demos/demo_crypt_constants.c
Normal file
60
demos/demo_crypt_constants.c
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@ -0,0 +1,60 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file demo_crypt_constants.c
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Demo how to get various constants to dynamic languages
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like Python
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Larry Bugbee, February 2013
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*/
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// in lieu of a header file
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int crypt_get_constant(const char* namein, int *valueout);
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int crypt_list_all_constants(char *names_list,
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unsigned long *names_list_size);
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int main(void) {
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int rc;
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printf("\n");
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// given a specific constant name, get and print its value
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char name[] = "CTR_COUNTER_BIG_ENDIAN";
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int value;
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rc = crypt_get_constant(name, &value);
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printf(" %s is %d \n", name, value);
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printf("\n");
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// get and print the length of the names (and values) list
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char *names_list;
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unsigned long names_list_len;
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rc = crypt_list_all_constants(NULL, &names_list_len);
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printf(" need to allocate %lu bytes \n", names_list_len);
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printf("\n");
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// get and print the names (and values) list
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names_list = malloc(names_list_len);
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rc = crypt_list_all_constants(names_list, &names_list_len);
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printf(" supported constants: \n%s \n", names_list);
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printf("\n");
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}
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/* $Source: $ */
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/* $Revision: $ */
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/* $Date: $ */
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55
demos/demo_crypt_sizes.c
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55
demos/demo_crypt_sizes.c
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file demo_crypt_sizes.c
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Demo how to get various sizes to dynamic languages
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like Python - Larry Bugbee, February 2013
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*/
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// in lieu of a header file
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int crypt_get_size(const char* namein, int *sizeout);
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int crypt_list_all_sizes(char *names_list,
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unsigned long *names_list_size);
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int main(void) {
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int rc;
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printf("\n");
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// given a specific size name, get and print its size
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char name[] = "ecc_key_struct_size";
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int size;
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rc = crypt_get_size(name, &size);
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printf(" %s is %d \n", name, size);
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printf("\n");
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// get and print the length of the names (and sizes) list
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char *sizes_list;
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unsigned long sizes_list_len;
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rc = crypt_list_all_sizes(NULL, &sizes_list_len);
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printf(" need to allocate %lu bytes \n", sizes_list_len);
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printf("\n");
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// get and print the names (and sizes) list
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sizes_list = malloc(sizes_list_len);
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rc = crypt_list_all_sizes(sizes_list, &sizes_list_len);
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printf(" supported sizes: %s \n", sizes_list);
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printf("\n");
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}
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/* $Source: $ */
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/* $Revision: $ */
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/* $Date: $ */
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11
makefile
11
makefile
@ -81,6 +81,8 @@ TV=tv_gen
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MULTI=multi
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MULTI=multi
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TIMING=timing
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TIMING=timing
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TEST=test
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TEST=test
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SIZES=sizes
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CONSTANTS=constants
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#LIBPATH-The directory for libtomcrypt to be installed to.
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#LIBPATH-The directory for libtomcrypt to be installed to.
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#INCPATH-The directory to install the header files for libtomcrypt.
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#INCPATH-The directory to install the header files for libtomcrypt.
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@ -255,6 +257,8 @@ TVS=demos/tv_gen.o
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MULTIS=demos/multi.o
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MULTIS=demos/multi.o
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TIMINGS=demos/timing.o
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TIMINGS=demos/timing.o
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TESTS=demos/test.o
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TESTS=demos/test.o
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CRYPTSIZES=demos/demo_crypt_sizes.o
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CRYPTCONSTANTS=demos/demo_crypt_constants.o
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#Files left over from making the crypt.pdf.
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#Files left over from making the crypt.pdf.
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LEFTOVERS=*.dvi *.log *.aux *.toc *.idx *.ilg *.ind *.out *.lof
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LEFTOVERS=*.dvi *.log *.aux *.toc *.idx *.ilg *.ind *.out *.lof
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@ -312,6 +316,12 @@ timing: library testprof/$(LIBTEST) $(TIMINGS)
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test: library testprof/$(LIBTEST) $(TESTS)
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test: library testprof/$(LIBTEST) $(TESTS)
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$(CC) $(LDFLAGS) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
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$(CC) $(LDFLAGS) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
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sizes: library $(CRYPTSIZES)
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$(CC) $(LDFLAGS) $(CRYPTSIZES) $(LIBNAME) $(EXTRALIBS) -o $(SIZES)
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constants: library $(CRYPTCONSTANTS)
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$(CC) $(LDFLAGS) $(CRYPTCONSTANTS) $(LIBNAME) $(EXTRALIBS) -o $(CONSTANTS)
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#This rule installs the library and the header files. This must be run
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#This rule installs the library and the header files. This must be run
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#as root in order to have a high enough permission to write to the correct
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#as root in order to have a high enough permission to write to the correct
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#directories and to set the owner and group to root.
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#directories and to set the owner and group to root.
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@ -360,6 +370,7 @@ clean:
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rm -rf `find . -type d -name "*.libs" | xargs`
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rm -rf `find . -type d -name "*.libs" | xargs`
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rm -f crypt.aux crypt.dvi crypt.idx crypt.ilg crypt.ind crypt.log crypt.toc
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rm -f crypt.aux crypt.dvi crypt.idx crypt.ilg crypt.ind crypt.log crypt.toc
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rm -f $(TV) $(SMALL) $(CRYPT) $(HASH) $(MULTI) $(TIMING) $(TEST)
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rm -f $(TV) $(SMALL) $(CRYPT) $(HASH) $(MULTI) $(TIMING) $(TEST)
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rm -f $(SIZES) $(CONSTANTS)
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rm -rf doc/doxygen
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rm -rf doc/doxygen
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rm -f `find . -type f -name "*.pdf" | grep -FL crypt.pdf | xargs`
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rm -f `find . -type f -name "*.pdf" | grep -FL crypt.pdf | xargs`
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rm -f *.txt
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rm -f *.txt
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121
src/misc/crypt/crypt_constants.c
Executable file
121
src/misc/crypt/crypt_constants.c
Executable file
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file crypt_constants.c
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Make various constants available to dynamic languages
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like Python - Larry Bugbee, February 2013
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LB - Dec 2013 - revised to include compiler define options
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*/
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typedef struct {
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const char *name;
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const long value;
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} crypt_constant;
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crypt_constant _crypt_constants[] = {
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#ifdef LTC_CTR_MODE
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{"CTR_COUNTER_LITTLE_ENDIAN", CTR_COUNTER_LITTLE_ENDIAN},
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{"CTR_COUNTER_BIG_ENDIAN", CTR_COUNTER_BIG_ENDIAN},
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{"LTC_CTR_RFC3686", LTC_CTR_RFC3686},
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#endif
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{"PK_PUBLIC", PK_PUBLIC},
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{"PK_PRIVATE", PK_PRIVATE},
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#ifdef LTC_MRSA
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{"MIN_RSA_SIZE", MIN_RSA_SIZE},
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{"MAX_RSA_SIZE", MAX_RSA_SIZE},
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#endif
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#ifdef LTC_PKCS_1
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{"LTC_PKCS_1_OAEP", LTC_PKCS_1_OAEP},
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{"LTC_PKCS_1_PSS", LTC_PKCS_1_PSS},
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{"LTC_PKCS_1_V1_5", LTC_PKCS_1_V1_5},
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#endif
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};
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/* crypt_get_constant()
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* sizeout will be the size (bytes) of the named struct or union
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* return -1 if named item not found
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*/
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int crypt_get_constant(const char* namein, int *valueout) {
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int i;
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int _crypt_constants_len = sizeof(_crypt_constants) / sizeof(crypt_constant);
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for (i=0; i<_crypt_constants_len; i++) {
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if (strcmp(_crypt_constants[i].name, namein) == 0) {
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*valueout = _crypt_constants[i].value;
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return 0;
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}
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}
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return 1;
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}
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/* crypt_list_all_constants()
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* if names_list is NULL, names_list_size will be the minimum
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* size needed to receive the complete names_list
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* if names_list is NOT NULL, names_list must be the addr with
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* sufficient memory allocated into which the names_list
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* is to be written. Also, the value in names_list_size
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* sets the upper bound of the number of characters to be
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* written.
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* a -1 return value signifies insufficient space made available
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*/
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int crypt_list_all_constants(char *names_list,
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unsigned long *names_list_size) {
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int i;
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unsigned long total_len = 0;
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char number[10];
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int number_len;
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int count = sizeof(_crypt_constants) / sizeof(crypt_constant);
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/* calculate amount of memory required for the list */
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for (i=0; i<count; i++) {
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total_len += strlen(_crypt_constants[i].name) + 1;
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// the above +1 is for the commas
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sprintf(number,"%lu",_crypt_constants[i].value);
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total_len += strlen(number) + 1;
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// this last +1 is for newlines (and ending NULL)
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}
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if (names_list == NULL) {
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*names_list_size = total_len;
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} else {
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if (total_len > *names_list_size) {
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return -1;
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}
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/* build the names list */
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char *ptr = names_list;
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for (i=0; i<count; i++) {
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strcpy(ptr, _crypt_constants[i].name);
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ptr += strlen(_crypt_constants[i].name);
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strcpy(ptr, ",");
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ptr += 1;
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number_len = sprintf(number,"%lu",_crypt_constants[i].value);
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strcpy(ptr, number);
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ptr += number_len;
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strcpy(ptr, "\n");
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ptr += 1;
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}
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ptr -= 1; // to remove the trailing comma
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*ptr = 0;
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}
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return 0;
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}
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/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_constants.c,v $ */
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/* $Revision: $ */
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/* $Date: $ */
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44
src/misc/crypt/crypt_inits.c
Executable file
44
src/misc/crypt/crypt_inits.c
Executable file
@ -0,0 +1,44 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file crypt_inits.c
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Provide math library functions for dynamic languages
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like Python - Larry Bugbee, February 2013
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*/
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#ifdef USE_LTM
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void init_LTM(void) {
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ltc_mp = ltm_desc;
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}
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#endif
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#ifdef USE_TFM
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void init_TFM(void) {
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ltc_mp = tfm_desc;
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}
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#endif
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/* *** use of GMP is untested ***
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#ifdef USE_GMP
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void init_GMP(void) {
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ltc_mp = gmp_desc;
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}
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#endif
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*/
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/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_inits.c,v $ */
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/* $Revision: $ */
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/* $Date: $ */
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305
src/misc/crypt/crypt_sizes.c
Executable file
305
src/misc/crypt/crypt_sizes.c
Executable file
@ -0,0 +1,305 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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|
* algorithms in a highly modular and flexible manner.
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|
*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtom.org
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*/
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#include "tomcrypt.h"
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/**
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@file crypt_sizes.c
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Make various struct sizes available to dynamic languages
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like Python - Larry Bugbee, February 2013
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|
|
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LB - Dec 2013 - revised to include compiler define options
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*/
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typedef struct {
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const char *name;
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const long size;
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} crypt_size;
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crypt_size _crypt_sizes[] = {
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// hash state sizes
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{"hash_descriptor_struct_size", sizeof(struct ltc_hash_descriptor)},
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{"hash_state_union_size", sizeof(hash_state)},
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#ifdef LTC_SHA256
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{"sha256_state_struct_size", sizeof(struct sha256_state)},
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#endif
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#ifdef LTC_SHA512
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{"sha512_state_struct_size", sizeof(struct sha512_state)},
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#endif
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#ifdef LTC_WHIRLPOOL
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{"whirlpool_state_struct_size", sizeof(struct whirlpool_state)},
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#endif
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#ifdef LTC_MD2
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{"md2_state_struct_size", sizeof(struct md2_state)},
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#endif
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||||||
|
#ifdef LTC_MD4
|
||||||
|
{"md4_state_struct_size", sizeof(struct md4_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_MD5
|
||||||
|
{"md5_state_struct_size", sizeof(struct md5_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RIPEMD128
|
||||||
|
{"rmd128_state_struct_size", sizeof(struct rmd128_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RIPEMD160
|
||||||
|
{"rmd160_state_struct_size", sizeof(struct rmd160_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RIPEMD256
|
||||||
|
{"rmd256_state_struct_size", sizeof(struct rmd256_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RIPEMD320
|
||||||
|
{"rmd320_state_struct_size", sizeof(struct rmd320_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_SHA1
|
||||||
|
{"sha1_state_struct_size", sizeof(struct sha1_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_TIGER
|
||||||
|
{"tiger_state_struct_size", sizeof(struct tiger_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CHC_HASH
|
||||||
|
{"chc_state_struct_size", sizeof(struct chc_state)},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// block cipher key sizes
|
||||||
|
{"cipher_descriptor_struct_size", sizeof(struct ltc_cipher_descriptor)},
|
||||||
|
{"symmetric_key_union_size", sizeof(symmetric_key)},
|
||||||
|
#ifdef LTC_ANUBIS
|
||||||
|
{"anubis_key_struct_size", sizeof(struct anubis_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CAMELLIA
|
||||||
|
{"camellia_key_struct_size", sizeof(struct camellia_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_BLOWFISH
|
||||||
|
{"blowfish_key_struct_size", sizeof(struct blowfish_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CAST5
|
||||||
|
{"cast5_key_struct_size", sizeof(struct cast5_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_DES
|
||||||
|
{"des_key_struct_size", sizeof(struct des_key)},
|
||||||
|
{"des3_key_struct_size", sizeof(struct des3_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_KASUMI
|
||||||
|
{"kasumi_key_struct_size", sizeof(struct kasumi_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_KHAZAD
|
||||||
|
{"khazad_key_struct_size", sizeof(struct khazad_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_KSEED
|
||||||
|
{"kseed_key_struct_size", sizeof(struct kseed_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_MULTI2
|
||||||
|
// {"multi2_key_struct_size", sizeof(struct multi2_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_NOEKEON
|
||||||
|
{"noekeon_key_struct_size", sizeof(struct noekeon_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RC2
|
||||||
|
{"rc2_key_struct_size", sizeof(struct rc2_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RC5
|
||||||
|
{"rc5_key_struct_size", sizeof(struct rc5_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RC6
|
||||||
|
{"rc6_key_struct_size", sizeof(struct rc6_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_SKIPJACK
|
||||||
|
{"skipjack_key_struct_size", sizeof(struct skipjack_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_XTEA
|
||||||
|
{"xtea_key_struct_size", sizeof(struct xtea_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RIJNDAEL
|
||||||
|
{"rijndael_key_struct_size", sizeof(struct rijndael_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_SAFER
|
||||||
|
{"safer_key_struct_size", sizeof(struct safer_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_SAFERP
|
||||||
|
{"saferp_key_struct_size", sizeof(struct saferp_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_TWOFISH
|
||||||
|
{"twofish_key_struct_size", sizeof(struct twofish_key)},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// mode sizes
|
||||||
|
#ifdef LTC_CBC_MODE
|
||||||
|
{"symmetric_CBC_struct_size", sizeof(symmetric_CBC)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CFB_MODE
|
||||||
|
{"symmetric_CFB_struct_size", sizeof(symmetric_CFB)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CTR_MODE
|
||||||
|
{"symmetric_CTR_struct_size", sizeof(symmetric_CTR)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_ECB_MODE
|
||||||
|
{"symmetric_ECB_struct_size", sizeof(symmetric_ECB)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_F8_MODE
|
||||||
|
{"symmetric_F8_struct_size", sizeof(symmetric_F8)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_LRW_MODE
|
||||||
|
{"symmetric_LRW_struct_size", sizeof(symmetric_LRW)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_OFB_MODE
|
||||||
|
{"symmetric_OFB_struct_size", sizeof(symmetric_OFB)},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// MAC sizes -- no states for ccm, lrw
|
||||||
|
#ifdef LTC_F9_MODE
|
||||||
|
{"f9_state_struct_size", sizeof(f9_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_HMAC
|
||||||
|
{"hmac_state_struct_size", sizeof(hmac_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_OMAC
|
||||||
|
{"omac_state_struct_size", sizeof(omac_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_PELICAN
|
||||||
|
{"pelican_state_struct_size", sizeof(pelican_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_PMAC
|
||||||
|
{"pmac_state_struct_size", sizeof(pmac_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_XCBC
|
||||||
|
{"xcbc_state_struct_size", sizeof(xcbc_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_OCB_MODE
|
||||||
|
{"ocb_state_struct_size", sizeof(ocb_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_OCB3_MODE
|
||||||
|
{"ocb3_state_struct_size", sizeof(ocb3_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_GCM_MODE
|
||||||
|
{"gcm_state_struct_size", sizeof(gcm_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_EAX_MODE
|
||||||
|
{"eax_state_struct_size", sizeof(eax_state)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_CCM_MODE
|
||||||
|
// not defined
|
||||||
|
#endif
|
||||||
|
#ifdef LRW_MODE
|
||||||
|
// not defined
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// asymmetric keys
|
||||||
|
#ifdef LTC_MRSA
|
||||||
|
{"rsa_key_struct_size", sizeof(rsa_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_MDSA
|
||||||
|
{"dsa_key_struct_size", sizeof(dsa_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef MDH
|
||||||
|
{"dh_key_struct_size", sizeof(dh_key)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_MECC
|
||||||
|
{"ecc_set_struct_size", sizeof(ltc_ecc_set_type)},
|
||||||
|
{"ecc_key_struct_size", sizeof(ecc_key)},
|
||||||
|
{"ecc_point_struct_size", sizeof(ecc_point)},
|
||||||
|
#endif
|
||||||
|
#ifdef MKAT
|
||||||
|
// {"katja_key_struct_size", sizeof(katja_key)},
|
||||||
|
#endif
|
||||||
|
|
||||||
|
// prng state sizes
|
||||||
|
{"prng_descriptor_struct_size", sizeof(struct ltc_prng_descriptor)},
|
||||||
|
{"prng_state_union_size", sizeof(prng_state)},
|
||||||
|
#ifdef LTC_FORTUNA
|
||||||
|
{"fortuna_prng_struct_size", sizeof(struct fortuna_prng)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_RC4
|
||||||
|
{"rc4_prng_struct_size", sizeof(struct rc4_prng)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_SOBER128
|
||||||
|
{"sober128_prng_struct_size", sizeof(struct sober128_prng)},
|
||||||
|
#endif
|
||||||
|
#ifdef LTC_YARROW
|
||||||
|
{"yarrow_prng_struct_size", sizeof(struct yarrow_prng)},
|
||||||
|
#endif
|
||||||
|
// sprng has no state as it uses other potentially available sources
|
||||||
|
// like /dev/random. See Developers Guide for more info.
|
||||||
|
};
|
||||||
|
|
||||||
|
/* crypt_get_size()
|
||||||
|
* sizeout will be the size (bytes) of the named struct or union
|
||||||
|
* return -1 if named item not found
|
||||||
|
*/
|
||||||
|
int crypt_get_size(const char* namein, int *sizeout) {
|
||||||
|
int i;
|
||||||
|
int count = sizeof(_crypt_sizes) / sizeof(crypt_size);
|
||||||
|
for (i=0; i<count; i++) {
|
||||||
|
if (strcmp(_crypt_sizes[i].name, namein) == 0) {
|
||||||
|
*sizeout = _crypt_sizes[i].size;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* crypt_list_all_sizes()
|
||||||
|
* if names_list is NULL, names_list_size will be the minimum
|
||||||
|
* size needed to receive the complete names_list
|
||||||
|
* if names_list is NOT NULL, names_list must be the addr with
|
||||||
|
* sufficient memory allocated into which the names_list
|
||||||
|
* is to be written. Also, the value in names_list_size
|
||||||
|
* sets the upper bound of the number of characters to be
|
||||||
|
* written.
|
||||||
|
* a -1 return value signifies insufficient space made available
|
||||||
|
*/
|
||||||
|
int crypt_list_all_sizes(char *names_list,
|
||||||
|
unsigned long *names_list_size) {
|
||||||
|
int i;
|
||||||
|
unsigned long total_len = 0;
|
||||||
|
char number[10];
|
||||||
|
int number_len;
|
||||||
|
int count = sizeof(_crypt_sizes) / sizeof(crypt_size);
|
||||||
|
|
||||||
|
/* calculate amount of memory required for the list */
|
||||||
|
for (i=0; i<count; i++) {
|
||||||
|
total_len += strlen(_crypt_sizes[i].name) + 1;
|
||||||
|
// the above +1 is for the commas
|
||||||
|
sprintf(number,"%lu",_crypt_sizes[i].size);
|
||||||
|
total_len += strlen(number) + 1;
|
||||||
|
// this last +1 is for newlines (and ending NULL)
|
||||||
|
}
|
||||||
|
|
||||||
|
if (names_list == NULL) {
|
||||||
|
*names_list_size = total_len;
|
||||||
|
} else {
|
||||||
|
if (total_len > *names_list_size) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
/* build the names list */
|
||||||
|
char *ptr = names_list;
|
||||||
|
for (i=0; i<count; i++) {
|
||||||
|
strcpy(ptr, _crypt_sizes[i].name);
|
||||||
|
ptr += strlen(_crypt_sizes[i].name);
|
||||||
|
strcpy(ptr, ",");
|
||||||
|
ptr += 1;
|
||||||
|
|
||||||
|
number_len = sprintf(number,"%lu",_crypt_sizes[i].size);
|
||||||
|
strcpy(ptr, number);
|
||||||
|
ptr += number_len;
|
||||||
|
strcpy(ptr, "\n");
|
||||||
|
ptr += 1;
|
||||||
|
}
|
||||||
|
ptr -= 1; // to remove the trailing comma
|
||||||
|
*ptr = 0;
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_sizes.c,v $ */
|
||||||
|
/* $Revision: $ */
|
||||||
|
/* $Date: $ */
|
||||||
Loading…
x
Reference in New Issue
Block a user