init: v1.0.0

2026-05-27 23:03:00 +08:00
commit 8d97f750eb
466 changed files with 80067 additions and 0 deletions
@@ -0,0 +1,33 @@
+// In amd64, Encrypt4 implemented
+package sm4
+
+import "xdx.jelly/xgcl/internal/subtle"
+
+//go:noescape
+func encrypt4(dst []byte, src []byte, rk []uint32)
+
+func (c *sm4CipherAsm) Encrypt4(dst, src []byte) {
+	if len(src) < BlockSize {
+		panic("gcl/sm/sm4/Encrypt: input not full block")
+	}
+	if len(dst) < BlockSize {
+		panic("gcl/sm/sm4/Encrypt: output not full block")
+	}
+	if subtle.InexactOverlap(dst[:BlockSize], src[:BlockSize]) {
+		panic("gcl/sm/sm4/Encrypt: invalid buffer overlap")
+	}
+	encrypt4(dst, src, c.encKey[:])
+}
+
+func (c *sm4CipherAsm) Decrypt4(dst, src []byte) {
+	if len(src) < BlockSize {
+		panic("gcl/sm/sm4/Decrypt: input not full block")
+	}
+	if len(dst) < BlockSize {
+		panic("gcl/sm/sm4/Decrypt: output not full block")
+	}
+	if subtle.InexactOverlap(dst[:BlockSize], src[:BlockSize]) {
+		panic("gcl/sm/sm4/Decrypt: invalid buffer overlap")
+	}
+	encrypt4(dst, src, c.decKey[:])
+}