X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=bigint%2Fbigint.h;h=d07713dfacc5bec478d7ade48cc069fc63c0bef8;hb=10951fe0bb7dae5229dff9408d8157490005590c;hp=f9097953e7bc8dbaf34b31e068808fcd2c64584d;hpb=d796b12dbb838974705d995369161d3836f9dad2;p=avr-crypto-lib.git

diff --git a/bigint/bigint.h b/bigint/bigint.h
index f909795..d07713d 100644
--- a/bigint/bigint.h
+++ b/bigint/bigint.h
@@ -32,7 +32,7 @@
 #include <stdint.h>
 #include <limits.h>
 
-#define BIGINT_WORD_SIZE 8
+#define BIGINT_WORD_SIZE 32
 
 #if BIGINT_WORD_SIZE == 8
 typedef uint8_t  bigint_word_t;
@@ -68,8 +68,8 @@ typedef struct{
 /******************************************************************************/
 
 void   bigint_adjust(bigint_t *a);
-uint32_t bigint_get_first_set_bit(const bigint_t *a);
-uint32_t bigint_get_last_set_bit(const bigint_t *a);
+int32_t bigint_get_first_set_bit(const bigint_t *a);
+int32_t bigint_get_last_set_bit(const bigint_t *a);
 bigint_length_t bigint_length_b(const bigint_t *a);
 bigint_length_t bigint_length_B(const bigint_t *a);
 void   bigint_copy(bigint_t *dest, const bigint_t *src);
@@ -80,7 +80,10 @@ int8_t bigint_cmp_u(const bigint_t * a, const bigint_t * b);
 void   bigint_add_s(bigint_t *dest, const bigint_t *a, const bigint_t *b);
 void   bigint_sub_s(bigint_t *dest, const bigint_t *a, const bigint_t *b);
 int8_t bigint_cmp_s(const bigint_t *a, const bigint_t *b);
+void   bigint_shiftleft_bits(bigint_t *a, uint8_t shift);
 void   bigint_shiftleft(bigint_t *a, bigint_length_t shift);
+void   bigint_shiftright_1bit(bigint_t *a);
+void   bigint_shiftright_1word(bigint_t *a);
 void   bigint_shiftright(bigint_t *a, bigint_length_t shift);
 void   bigint_xor(bigint_t *dest, const bigint_t *a);
 void   bigint_set_zero(bigint_t *a);