diff options
Diffstat (limited to 'src/secp256k1/src/field_impl.h')
| -rw-r--r-- | src/secp256k1/src/field_impl.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/secp256k1/src/field_impl.h b/src/secp256k1/src/field_impl.h index 3a31e1844e..4d25e53715 100644 --- a/src/secp256k1/src/field_impl.h +++ b/src/secp256k1/src/field_impl.h @@ -41,7 +41,7 @@ static void secp256k1_fe_get_hex(char *r, int *rlen, const secp256k1_fe_t *a) { r[64] = 0x00; } -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) { unsigned char tmp[32] = {}; static const int cvt[256] = {0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0, 0, 0, 0, 0, 0, 0, 0,0,0,0,0,0,0,0,0,0, @@ -63,7 +63,7 @@ static void secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a, int alen) { if (alen > i*2) tmp[32 - alen/2 + i] = (cvt[(unsigned char)a[2*i]] << 4) + cvt[(unsigned char)a[2*i+1]]; } - secp256k1_fe_set_b32(r, tmp); + return secp256k1_fe_set_b32(r, tmp); } static int secp256k1_fe_sqrt(secp256k1_fe_t *r, const secp256k1_fe_t *a) { @@ -197,7 +197,7 @@ static void secp256k1_fe_inv(secp256k1_fe_t *r, const secp256k1_fe_t *a) { for (int j=0; j<3; j++) secp256k1_fe_sqr(&t1, &t1); secp256k1_fe_mul(&t1, &t1, &x2); for (int j=0; j<2; j++) secp256k1_fe_sqr(&t1, &t1); - secp256k1_fe_mul(r, &t1, a); + secp256k1_fe_mul(r, a, &t1); } static void secp256k1_fe_inv_var(secp256k1_fe_t *r, const secp256k1_fe_t *a) { @@ -212,7 +212,7 @@ static void secp256k1_fe_inv_var(secp256k1_fe_t *r, const secp256k1_fe_t *a) { secp256k1_num_set_bin(&n, b, 32); secp256k1_num_mod_inverse(&n, &n, &secp256k1_fe_consts->p); secp256k1_num_get_bin(b, 32, &n); - secp256k1_fe_set_b32(r, b); + VERIFY_CHECK(secp256k1_fe_set_b32(r, b)); #else #error "Please select field inverse implementation" #endif @@ -267,16 +267,20 @@ static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t r[len], const se } static void secp256k1_fe_start(void) { +#ifndef USE_NUM_NONE static const unsigned char secp256k1_fe_consts_p[] = { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFE,0xFF,0xFF,0xFC,0x2F }; +#endif if (secp256k1_fe_consts == NULL) { secp256k1_fe_inner_start(); secp256k1_fe_consts_t *ret = (secp256k1_fe_consts_t*)malloc(sizeof(secp256k1_fe_consts_t)); +#ifndef USE_NUM_NONE secp256k1_num_set_bin(&ret->p, secp256k1_fe_consts_p, sizeof(secp256k1_fe_consts_p)); +#endif secp256k1_fe_consts = ret; } } |