From 2c4c49fd3d212174222c579832c33d97aca0dfd9 Mon Sep 17 00:00:00 2001 From: cheatfate Date: Fri, 16 Mar 2018 11:17:10 +0200 Subject: [PATCH] Added secp256k1_ecdh(). --- secp256k1.nim | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/secp256k1.nim b/secp256k1.nim index 39b3665..a5cfcd1 100644 --- a/secp256k1.nim +++ b/secp256k1.nim @@ -253,3 +253,16 @@ proc secp256k1_ecdsa_recoverable_signature_serialize_compact*( ## recid: a pointer to an integer to hold the recovery id (can be NULL). ## In: sig: a pointer to an initialized signature object (cannot be NULL) ## + +proc secp256k1_ecdh*(ctx: ptr secp256k1_context; output32: ptr cuchar; + pubkey: ptr secp256k1_pubkey; + input32: ptr cuchar): cint {.secp.} + ## Compute an EC Diffie-Hellman secret in constant time + ## Returns: 1: exponentiation was successful + ## 0: scalar was invalid (zero or overflow) + ## Args: ctx: pointer to a context object (cannot be NULL) + ## Out: result: a 32-byte array which will be populated by an ECDH + ## secret computed from the point and scalar + ## In: pubkey: a pointer to a secp256k1_pubkey containing an + ## initialized public key + ## privkey: a 32-byte scalar with which to multiply the point