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Add bounds checking to field element setters

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This commit is contained in:
Pieter Wuille
2014-11-24 12:38:05 +01:00
parent bb2cd94e09
commit d907ebc0e3
10 changed files with 37 additions and 24 deletions
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6
src/field.h
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@@ -59,8 +59,8 @@ static int secp256k1_fe_is_odd(const secp256k1_fe_t *a);
/** Compare two field elements. Requires both inputs to be normalized */
static int secp256k1_fe_equal(const secp256k1_fe_t *a, const secp256k1_fe_t *b);
/** Set a field element equal to 32-byte big endian value. Resulting field element is normalized. */
static void secp256k1_fe_set_b32(secp256k1_fe_t *r, const unsigned char *a);
/** Set a field element equal to 32-byte big endian value. If succesful, the resulting field element is normalized. */
static int secp256k1_fe_set_b32(secp256k1_fe_t *r, const unsigned char *a);
/** Convert a field element to a 32-byte big endian value. Requires the input to be normalized */
static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe_t *a);
@@ -109,6 +109,6 @@ static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t r[len], const se
static void secp256k1_fe_get_hex(char *r, int *rlen, const secp256k1_fe_t *a);
/** Convert a hexadecimal string to a field element. */
static void secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a, int alen);
static int secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a, int alen);
#endif