Add a function to hash a public key for DPoP.

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/jkt.scm b/tests/jkt.scm
new file mode 100644
index 0000000..ca20f89
--- /dev/null
+++ b/tests/jkt.scm
@@ -0,0 +1,23 @@
+(use-modules (webid-oidc stubs)
+             (webid-oidc testing))
+
+(with-test-environment
+ "jkt"
+ (lambda ()
+   (let* ((key (json-string->scm "{
+       \"kty\":\"EC\",
+       \"x\":\"l8tFrhx-34tV3hRICRDY9zCkDlpBhF42UQUfWVAWBFs\",
+       \"y\":\"9VE4jf_Ok_o64zbTTlcuNJajHmt6v9TDVrU0CdvGRDA\",
+       \"crv\":\"P-256\"
+     }"))
+          (jkt (jkt key))
+          (expected "0ZcOCORZNYy-DWpqq30jZyJGHTN0d2HglBV3uiguA4I"))
+     (unless (string=? jkt expected)
+       (format (current-error-port)
+               "The JKT algorithm is not correct:
+expected: ~a
+obtained: ~a
+"
+               expected
+               jkt)
+       (exit 1)))))