add signing

2013-03-18 02:41:01 +01:00
parent 607884fc11
commit 0a07e62f6f
12 changed files with 121 additions and 6 deletions
--- a/num_gmp.cpp
+++ b/num_gmp.cpp
@@ -58,6 +58,10 @@ void Number::SetBytes(const unsigned char *bin, unsigned int len) {
    mpz_import(bn, len, 1, 1, 1, 0, bin);
 }

+bool Number::CheckBit(int pos) const {
+    return mpz_tstbit(bn, pos);
+}
+
 void Number::GetBytes(unsigned char *bin, unsigned int len) {
    unsigned int size = (mpz_sizeinbase(bn,2)+7)/8;
    assert(size <= len);