From 8178e71bce4b5c149857dd756eca137899b4f3a3 Mon Sep 17 00:00:00 2001
From: zhanmingkan <496160012@qq.com>
Date: 星期一, 11 五月 2026 13:51:14 +0800
Subject: [PATCH] 提交
---
aesni-enc-ecb.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/aesni-enc-ecb.h b/aesni-enc-ecb.h
new file mode 100644
index 0000000..00ff909
--- /dev/null
+++ b/aesni-enc-ecb.h
@@ -0,0 +1,60 @@
+#ifndef AESNIENCECB_H
+#define AESNIENCECB_H
+
+#include <wmmintrin.h>
+
+namespace {
+
+/* Note 鈥� the length of the output buffer is assumed to be a multiple of 16 bytes */
+void AES_ECB_encrypt(const unsigned char *in, //pointer to the PLAINTEXT
+ unsigned char *out, //pointer to the CIPHERTEXT buffer
+ unsigned long length, //text length in bytes
+ const char *key, //pointer to the expanded key schedule
+ int number_of_rounds) //number of AES rounds 10,12 or 14
+{
+ __m128i tmp;
+ unsigned long i;
+ int j;
+ if(length%16)
+ length = length/16+1;
+ else
+ length = length/16;
+
+ for(i = 0; i < length; i++) {
+ tmp = _mm_loadu_si128 (&((__m128i*)in)[i]);
+ tmp = _mm_xor_si128 (tmp,((__m128i*)key)[0]);
+ for(j=1; j <number_of_rounds; j++) {
+ tmp = _mm_aesenc_si128 (tmp, ((__m128i*)key)[j]);
+ }
+ tmp = _mm_aesenclast_si128 (tmp,((__m128i*)key)[j]);
+ _mm_storeu_si128 (&((__m128i*)out)[i],tmp);
+ }
+}
+
+void AES_ECB_decrypt(const unsigned char *in, //pointer to the CIPHERTEXT
+ unsigned char *out, //pointer to the DECRYPTED TEXT buffer
+ unsigned long length, //text length in bytes
+ const char *key, //pointer to the expanded key schedule
+ int number_of_rounds) //number of AES rounds 10,12 or 14
+{
+ __m128i tmp;
+ unsigned long i;
+ int j;
+ if(length%16)
+ length = length/16+1;
+ else
+ length = length/16;
+ for(i = 0; i < length; i++) {
+ tmp = _mm_loadu_si128 (&((__m128i*)in)[i]);
+ tmp = _mm_xor_si128 (tmp,((__m128i*)key)[0]);
+ for(j = 1; j < number_of_rounds; j++) {
+ tmp = _mm_aesdec_si128 (tmp,((__m128i*)key)[j]);
+ }
+ tmp = _mm_aesdeclast_si128 (tmp,((__m128i*)key)[j]);
+ _mm_storeu_si128 (&((__m128i*)out)[i],tmp);
+ }
+}
+
+}
+
+#endif // AESNIENCECB_H
--
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