fixing bugs reported by Christian Dernehl

[arm-crypto-lib.git] / bigint / bigint.h

diff --git a/bigint/bigint.h b/bigint/bigint.h
index af1e451a10b81c2883ce544bbc458a1faf9aa562..d307cfa6e5f305845846e74a32b53a22d005d933 100644 (file)
--- a/bigint/bigint.h
+++ b/bigint/bigint.h
@@ -38,16 +38,18 @@ typedef int64_t  bigint_wordplus_signed_t;
 #define BIGINT_FBS_MASK (BIGINT_WORD_SIZE-1) /* the last five bits indicate which is the first bit set */
 #define BIGINT_NEG_MASK 0x80 /* this bit indicates a negative value */
 typedef struct{
-       uint16_t length_B;
+       uint16_t length_W;
        uint8_t info;
        bigint_word_t *wordv; /* word vector, pointing to the LSB */
 }bigint_t;
 
-
-
 /******************************************************************************/
 
 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);
+uint16_t bigint_length_b(const bigint_t* a);
+uint16_t bigint_length_B(const bigint_t* a);
 void   bigint_copy(bigint_t* dest, const bigint_t* src);
 void   bigint_add_u(bigint_t* dest, const bigint_t* a, const bigint_t* b);
 void   bigint_add_scale_u(bigint_t* dest, const bigint_t* a, uint16_t scale);