1 files changed, 74 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/e/ed_shar.c b/vere/pkg/noun/jets/e/ed_shar.c
new file mode 100644
index 0000000..ed293f7
--- /dev/null
+++ b/vere/pkg/noun/jets/e/ed_shar.c
@@ -0,0 +1,74 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+#include "urcrypt.h"
+
+  static u3_atom
+  _cqee_shar(u3_atom pub, u3_atom sed)
+  {
+    c3_y pub_y[32], sed_y[32];
+
+    if ( 0 != u3r_bytes_fit(32, pub_y, pub) ) {
+      return u3m_bail(c3__exit);
+    }
+    else if ( 0 != u3r_bytes_fit(32, sed_y, sed) ) {
+      // hoon calls luck, which crashes
+      return u3m_bail(c3__exit);
+    }
+    else {
+      c3_y shr_y[32];
+      urcrypt_ed_shar(pub_y, sed_y, shr_y);
+      return u3i_bytes(32, shr_y);
+    }
+  }
+
+  u3_noun
+  u3wee_shar(u3_noun cor)
+  {
+    u3_noun pub, sed;
+
+    if ( (c3n == u3r_mean(cor, u3x_sam_2, &pub, u3x_sam_3, &sed, 0)) ||
+         (c3n == u3ud(pub)) ||
+         (c3n == u3ud(sed)) )
+    {
+      return u3m_bail(c3__exit);
+    } else {
+      return _cqee_shar(pub, sed);
+    }
+  }
+
+  static u3_atom
+  _cqee_slar(u3_atom pub, u3_atom sek)
+  {
+    c3_y pub_y[32], sek_y[64];
+
+    if ( 0 != u3r_bytes_fit(32, pub_y, pub) ) {
+      return u3m_bail(c3__exit);
+    }
+    else if ( 0 != u3r_bytes_fit(64, sek_y, sek) ) {
+      return u3m_bail(c3__exit);
+    }
+    else {
+      c3_y shr_y[32];
+      urcrypt_ed_slar(pub_y, sek_y, shr_y);
+      return u3i_bytes(32, shr_y);
+    }
+  }
+
+  u3_noun
+  u3wee_slar(u3_noun cor)
+  {
+    u3_noun pub, sek;
+
+    if ( (c3n == u3r_mean(cor, u3x_sam_2, &pub, u3x_sam_3, &sek, 0)) ||
+         (c3n == u3ud(pub)) ||
+         (c3n == u3ud(sek)) )
+    {
+      return u3m_bail(c3__exit);
+    } else {
+      return _cqee_slar(pub, sek);
+    }
+  }