From 0dedf4a414f861939eb3e506ed65d470c876bf4a Mon Sep 17 00:00:00 2001
From: Yawning Angel <yawning@schwanenlied.me>
Date: Thu, 17 Oct 2024 17:39:37 +0900
Subject: [PATCH] fixup! core:crypto/deoxsysii: Initial import

---
 core/crypto/deoxysii/deoxysii_impl_ct64.odin | 27 +++++++++++++-------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/core/crypto/deoxysii/deoxysii_impl_ct64.odin b/core/crypto/deoxysii/deoxysii_impl_ct64.odin
index 061b3a49a3e..3895a21fe02 100644
--- a/core/crypto/deoxysii/deoxysii_impl_ct64.odin
+++ b/core/crypto/deoxysii/deoxysii_impl_ct64.odin
@@ -48,6 +48,22 @@ enc_tweak :: #force_inline proc "contextless" (
 	}
 }
 
+@(private = "file")
+enc_plaintext :: #force_inline proc "contextless" (
+	dst: ^[8]u64,
+	iv:  []byte,
+) {
+	tmp: [BLOCK_SIZE]byte = ---
+	tmp[0] = 0
+	copy(tmp[1:], iv[:])
+
+	q_0, q_1 := aes.load_interleaved(tmp[:])
+	for i in 0 ..< 4 {
+		dst[i], dst[i+4] = q_0, q_1
+	}
+	aes.orthogonalize(dst)
+}
+
 @(private = "file")
 bc_x4 :: proc "contextless" (
 	ctx:     ^Context,
@@ -267,15 +283,8 @@ e_ref :: proc "contextless" (ctx: ^Context, dst, tag, iv, aad, plaintext: []byte
 	// end
 	//
 	// return (C_1 || ... || C_l || C_∗, tag)
-	tmp: [BLOCK_SIZE]byte = ---
-	q_iv: [8]u64
-	tmp[0] = 0
-	copy(tmp[1:], iv[:])
-	q_iv_0, q_iv_1 := aes.load_interleaved(tmp[:])
-	for i in 0 ..< 4 {
-		q_iv[i], q_iv[i+4] = q_iv_0, q_iv_1
-	}
-	aes.orthogonalize(&q_iv)
+	q_iv: [8]u64 = ---
+	enc_plaintext(&q_iv, iv)
 
 	m = plaintext
 	n = bc_encrypt(&st, dst, m, &q_iv, &auth, 0)