From eee7a6af613b7d4c7cb4b8333d1f5ecf30236301 Mon Sep 17 00:00:00 2001 From: siddharth ravikumar Date: Sun, 14 Aug 2022 13:54:05 -0400 Subject: lib: RSAPub: add `Encrypt` --- lib/rsa.go | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/lib/rsa.go b/lib/rsa.go index 17cf6b0..00d575e 100644 --- a/lib/rsa.go +++ b/lib/rsa.go @@ -175,3 +175,14 @@ func RSAGenKey() (*RSAPair, error) { return pair, nil } + +func (r *RSAPub) Encrypt(msg []byte) []byte { + // Convert message to big int. + m := big.NewInt(0).SetBytes(msg) + + // Encrypt. + c := big.NewInt(0).Exp(m, r.e, r.n) + + return c.Bytes() +} + -- cgit v1.2.3