Progress

1 files changed, 5 insertions, 0 deletions

diff --git a/numalgo.h b/numalgo.h
index 71e06f0..997a67c 100644
--- a/numalgo.h
+++ b/numalgo.h
@@ -8,4 +8,9 @@ Bigint egcd(const Bigint &a,const Bigint &b,Bigint &x,Bigint &y);
 
 Bigint expmod(const Bigint &base,const Bigint &exponent,const Bigint &modulus);
 
+// Returns sqrt(n), rounded down if necessary
+Bigint isqrt(const Bigint &n);
+
 int ilog2(uint64_t i);
+
+Bigint cryptrandom_big(const Bigint &upperbound); //Return value in [0,upperbound]