diff options
Diffstat (limited to 'crypto/secp256k1/libsecp256k1/src/num.h')
| -rw-r--r-- | crypto/secp256k1/libsecp256k1/src/num.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/secp256k1/libsecp256k1/src/num.h b/crypto/secp256k1/libsecp256k1/src/num.h index ebfa71eb4..7bb9c5be8 100644 --- a/crypto/secp256k1/libsecp256k1/src/num.h +++ b/crypto/secp256k1/libsecp256k1/src/num.h @@ -32,6 +32,9 @@ static void secp256k1_num_set_bin(secp256k1_num *r, const unsigned char *a, unsi /** Compute a modular inverse. The input must be less than the modulus. */ static void secp256k1_num_mod_inverse(secp256k1_num *r, const secp256k1_num *a, const secp256k1_num *m); +/** Compute the jacobi symbol (a|b). b must be positive and odd. */ +static int secp256k1_num_jacobi(const secp256k1_num *a, const secp256k1_num *b); + /** Compare the absolute value of two numbers. */ static int secp256k1_num_cmp(const secp256k1_num *a, const secp256k1_num *b); @@ -57,6 +60,9 @@ static void secp256k1_num_shift(secp256k1_num *r, int bits); /** Check whether a number is zero. */ static int secp256k1_num_is_zero(const secp256k1_num *a); +/** Check whether a number is one. */ +static int secp256k1_num_is_one(const secp256k1_num *a); + /** Check whether a number is strictly negative. */ static int secp256k1_num_is_neg(const secp256k1_num *a); |