schnorrsig: Add BIP-340 nonce function

2020-05-12 21:23:22 +00:00
parent 7a703fd97d
commit 7332d2db6b
5 changed files with 226 additions and 3 deletions
--- a/src/testrand_impl.h
+++ b/src/testrand_impl.h
@@ -107,4 +107,8 @@ static void secp256k1_rand256_test(unsigned char *b32) {
    secp256k1_rand_bytes_test(b32, 32);
 }

+static void secp256k1_rand_flip(unsigned char *b, size_t len) {
+    b[secp256k1_rand_int(len)] ^= (1 << secp256k1_rand_int(8));
+}
+
 #endif /* SECP256K1_TESTRAND_IMPL_H */