Update links in ecp.c
Signed-off-by: Xiaokang Qian <xiaokang.qian@arm.com>
diff --git a/library/ecp.c b/library/ecp.c
index c8dd7f0..9d2d72c 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -24,9 +24,11 @@
* GECC = Guide to Elliptic Curve Cryptography - Hankerson, Menezes, Vanstone
* FIPS 186-3 http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf
* RFC 4492 for the related TLS structures and constants
+ * - https://www.rfc-editor.org/rfc/rfc4492
* RFC 7748 for the Curve448 and Curve25519 curve definitions
+ * - https://www.rfc-editor.org/rfc/rfc7748
*
- * [Curve25519] http://cr.yp.to/ecdh/curve25519-20060209.pdf
+ * [Curve25519] https://cr.yp.to/ecdh/curve25519-20060209.pdf
*
* [2] CORON, Jean-S'ebastien. Resistance against differential power analysis
* for elliptic curve cryptosystems. In : Cryptographic Hardware and