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authorpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
committerpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
commitfcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch)
tree51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/pkg/noun/jets/e/ed_scad.c
claude is gud
Diffstat (limited to 'vere/pkg/noun/jets/e/ed_scad.c')
-rw-r--r--vere/pkg/noun/jets/e/ed_scad.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/e/ed_scad.c b/vere/pkg/noun/jets/e/ed_scad.c
new file mode 100644
index 0000000..af95563
--- /dev/null
+++ b/vere/pkg/noun/jets/e/ed_scad.c
@@ -0,0 +1,124 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+#include "urcrypt.h"
+
+ static u3_atom
+ _cqee_scad(u3_atom pub, u3_atom sek, u3_atom sca)
+ {
+ c3_y pub_y[32];
+ c3_y sek_y[64];
+ c3_y sca_y[32];
+
+ if ( 0 != u3r_bytes_fit(32, pub_y, pub) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ if ( 0 != u3r_bytes_fit(64, sek_y, sek) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ if ( 0 != u3r_bytes_fit(32, sca_y, sca) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ else {
+ urcrypt_ed_add_scalar_public_private(pub_y, sek_y, sca_y);
+ return u3nc(u3i_bytes(32, pub_y), u3i_bytes(64, sek_y));
+ }
+ }
+
+ u3_noun
+ u3wee_scad(u3_noun cor)
+ {
+ u3_noun pub, sek, sca;
+ if ( (c3n == u3r_mean(cor,
+ u3x_sam_2, &pub,
+ u3x_sam_6, &sek,
+ u3x_sam_7, &sca, 0)) ||
+ (c3n == u3ud(pub)) ||
+ (c3n == u3ud(sek)) ||
+ (c3n == u3ud(sca)) ) {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return _cqee_scad(pub, sek, sca);
+ }
+ }
+
+ static u3_atom
+ _cqee_scas(u3_atom sek, u3_atom sca)
+ {
+ c3_y sek_y[64];
+ c3_y sca_y[32];
+
+ if ( 0 != u3r_bytes_fit(64, sek_y, sek) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ if ( 0 != u3r_bytes_fit(32, sca_y, sca) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ else {
+ urcrypt_ed_add_scalar_private(sek_y, sca_y);
+ return u3i_bytes(64, sek_y);
+ }
+ }
+
+ u3_noun
+ u3wee_scas(u3_noun cor)
+ {
+ u3_noun sek, sca;
+ if ( (c3n == u3r_mean(cor,
+ u3x_sam_2, &sek,
+ u3x_sam_3, &sca, 0)) ||
+ (c3n == u3ud(sek)) ||
+ (c3n == u3ud(sca)) ) {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return _cqee_scas(sek, sca);
+ }
+ }
+
+ static u3_atom
+ _cqee_scap(u3_atom pub, u3_atom sca)
+ {
+ c3_y pub_y[32];
+ c3_y sca_y[32];
+
+ if ( 0 != u3r_bytes_fit(32, pub_y, pub) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ if ( 0 != u3r_bytes_fit(32, sca_y, sca) ) {
+ // hoon explicitly crashes on mis-size
+ return u3m_bail(c3__exit);
+ }
+ else {
+ urcrypt_ed_add_scalar_public(pub_y, sca_y);
+ return u3i_bytes(32, pub_y);
+ }
+ }
+
+ u3_noun
+ u3wee_scap(u3_noun cor)
+ {
+ u3_noun pub, sca;
+ if ( (c3n == u3r_mean(cor,
+ u3x_sam_2, &pub,
+ u3x_sam_3, &sca, 0)) ||
+ (c3n == u3ud(pub)) ||
+ (c3n == u3ud(sca)) ) {
+ return u3m_bail(c3__exit);
+ }
+ else {
+ return _cqee_scap(pub, sca);
+ }
+ }
+
+