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Update libsecp256k1

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This commit is contained in:
Pieter Wuille
2014-12-04 19:17:07 +01:00
parent ffe3291466 87bddb7a3a
commit 0dcfb91d56
30 changed files with 1255 additions and 787 deletions
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18
src/secp256k1/src/field.h
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@@ -33,7 +33,10 @@
#endif
typedef struct {
#ifndef USE_NUM_NONE
secp256k1_num_t p;
#endif
secp256k1_fe_t order;
} secp256k1_fe_consts_t;
static const secp256k1_fe_consts_t *secp256k1_fe_consts = NULL;
@@ -59,8 +62,11 @@ 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);
/** Compare two field elements. Requires both inputs to be normalized */
static int secp256k1_fe_cmp_var(const secp256k1_fe_t *a, const secp256k1_fe_t *b);
/** 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);
@@ -78,7 +84,7 @@ static void secp256k1_fe_add(secp256k1_fe_t *r, const secp256k1_fe_t *a);
/** Sets a field element to be the product of two others. Requires the inputs' magnitudes to be at most 8.
* The output magnitude is 1 (but not guaranteed to be normalized). */
static void secp256k1_fe_mul(secp256k1_fe_t *r, const secp256k1_fe_t *a, const secp256k1_fe_t *b);
static void secp256k1_fe_mul(secp256k1_fe_t *r, const secp256k1_fe_t *a, const secp256k1_fe_t * SECP256K1_RESTRICT b);
/** Sets a field element to be the square of another. Requires the input's magnitude to be at most 8.
* The output magnitude is 1 (but not guaranteed to be normalized). */
@@ -104,11 +110,13 @@ static void secp256k1_fe_inv_all(size_t len, secp256k1_fe_t r[len], const secp25
/** Potentially faster version of secp256k1_fe_inv_all, without constant-time guarantee. */
static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t r[len], const secp256k1_fe_t a[len]);
/** Convert a field element to a hexadecimal string. */
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);
/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. */
static void secp256k1_fe_cmov(secp256k1_fe_t *r, const secp256k1_fe_t *a, int flag);
#endif