src/config.ml

@@ -338,6 +338,42 @@ module type Offline_signing = sig
   val secm_esign_pubkey : string option
 end
 
+(* The following options must be in the section "[taler-exchange-secmod-{rsa|cs|eddsa}]". *)
+module type Secmod = sig
+  (*
+  How long do we generate denomination and signing keys ahead of time?
+  *)
+  val lookahead_sign : duration
+
+  (*
+  How much should validity periods for coins overlap?
+  Should be long enough to avoid problems with
+  wallets picking one key and then due to network latency
+  another key being valid.  The ``DURATION_WITHDRAW`` period
+  must be longer than this value.
+  *)
+  val overlap_duration : duration
+
+  (*
+  Where should the security module store its long-term private key?
+  *)
+  val sm_priv_key : file_path
+
+  (*
+  Where should the security module store the private keys it manages?
+  *)
+  val key_dir : dir_path
+
+  (*
+  On which path should the security module listen for signing requests?
+  *)
+  val unixpath : not_relevant
+end
+
+module type Secmod_rsa = Secmod
+module type Secmod_cs = Secmod
+module type Secmod_eddsa = Secmod
+
 (* -- ********************************** -- *)
 let currency = `Eur
 let currency_to_string = function `Eur -> "EUR"