From b90324e27f8727abd7af7ef0887fc0bb6c23fc1c Mon Sep 17 00:00:00 2001
From: J08nY
Date: Fri, 29 Nov 2024 20:26:31 +0100
Subject: Add test for generating supersingular curves with chosen prime.

---
 README.md          | 1 +
 test/data/prime.in | 1 +
 test/ecgen.sh      | 2 ++
 3 files changed, 4 insertions(+)
 create mode 100644 test/data/prime.in

diff --git a/README.md b/README.md
index 835de85..95fe949 100644
--- a/README.md
+++ b/README.md
@@ -244,6 +244,7 @@ Four different EC curve parameters generation methods are implemented.
  - Used with the `--anomalous` option.
  - These curves are **NOT SECURE** and are useful for implementation testing.
  - [Elliptic curves over F_p suitable for cryptosystems - [Miyaji]](https://dspace.jaist.ac.jp/dspace/bitstream/10119/4464/1/73-61.pdf)
+ - TODO: Extend with [Generating Anomalous Elliptic Curves - [Leprevost, Monnerat, Varrette, Vaydenay]](https://www.monnerat.info/publications/anomalous.pdf)
 
 ### Build
 
diff --git a/test/data/prime.in b/test/data/prime.in
new file mode 100644
index 0000000..d364d76
--- /dev/null
+++ b/test/data/prime.in
@@ -0,0 +1 @@
+7161604836617373209
\ No newline at end of file
diff --git a/test/ecgen.sh b/test/ecgen.sh
index d430f99..16be274 100755
--- a/test/ecgen.sh
+++ b/test/ecgen.sh
@@ -116,6 +116,8 @@ function supersingular() {
 	order_m1=$(echo $(canonical_num $order) - 1 | bc)
     assert "canonical_num $p" $order_m1
 
+    assert_raises "${ecgen} --fp --supersingular --input=data/prime.in 64"
+
     assert_raises "${ecgen} --fp --supersingular -r -u --metadata 20"
     assert_raises "${ecgen} --fp --supersingular -r --points=random 16"
     assert_raises "${ecgen} --fp --supersingular -r --points=5random 16"
-- 
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