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Get rid of variable-length hex string conversions

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This commit is contained in:
Pieter Wuille
2015-01-24 21:52:48 -04:00
parent e84e761915
commit 0768bd55a1
5 changed files with 36 additions and 64 deletions
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8
src/field.h
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@@ -104,11 +104,11 @@ static void secp256k1_fe_inv_var(secp256k1_fe_t *r, const secp256k1_fe_t *a);
* outputs must not overlap in memory. */
static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t *r, const secp256k1_fe_t *a);
/** 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 field element to a 64-character hexadecimal string. */
static void secp256k1_fe_get_hex(char *r64, const secp256k1_fe_t *a);
/** Convert a hexadecimal string to a field element. */
static int secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a, int alen);
/** Convert a 64-character hexadecimal string to a field element. */
static int secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a64);
/** 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);