From 80ea7943fc451c5a5eab6d9bda6a0f9e5ec9bc04 Mon Sep 17 00:00:00 2001
From: zhangzengfei <zhangzengfei@smartai.com>
Date: 星期二, 16 四月 2024 14:04:46 +0800
Subject: [PATCH] fix build
---
pkg/auth/md5crypt.go | 73 ++++++++++++++++++++++++++++++++++++
1 files changed, 73 insertions(+), 0 deletions(-)
diff --git a/pkg/auth/md5crypt.go b/pkg/auth/md5crypt.go
new file mode 100644
index 0000000..ed7ccc3
--- /dev/null
+++ b/pkg/auth/md5crypt.go
@@ -0,0 +1,73 @@
+package auth
+
+import "crypto/md5"
+
+const itoa64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+
+var md5CryptSwaps = [16]int{12, 6, 0, 13, 7, 1, 14, 8, 2, 15, 9, 3, 5, 10, 4, 11}
+
+// MD5Crypt is the MD5 password crypt implementation.
+func MD5Crypt(password, salt, magic []byte) []byte {
+ d := md5.New()
+
+ d.Write(password)
+ d.Write(magic)
+ d.Write(salt)
+
+ d2 := md5.New()
+ d2.Write(password)
+ d2.Write(salt)
+ d2.Write(password)
+
+ for i, mixin := 0, d2.Sum(nil); i < len(password); i++ {
+ d.Write([]byte{mixin[i%16]})
+ }
+
+ for i := len(password); i != 0; i >>= 1 {
+ if i&1 == 0 {
+ d.Write([]byte{password[0]})
+ } else {
+ d.Write([]byte{0})
+ }
+ }
+
+ final := d.Sum(nil)
+
+ for i := 0; i < 1000; i++ {
+ d2 := md5.New()
+ if i&1 == 0 {
+ d2.Write(final)
+ } else {
+ d2.Write(password)
+ }
+
+ if i%3 != 0 {
+ d2.Write(salt)
+ }
+
+ if i%7 != 0 {
+ d2.Write(password)
+ }
+
+ if i&1 == 0 {
+ d2.Write(password)
+ } else {
+ d2.Write(final)
+ }
+ final = d2.Sum(nil)
+ }
+
+ result := make([]byte, 0, 22)
+ v := uint(0)
+ bits := uint(0)
+ for _, i := range md5CryptSwaps {
+ v |= (uint(final[i]) << bits)
+ for bits = bits + 8; bits > 6; bits -= 6 {
+ result = append(result, itoa64[v&0x3f])
+ v >>= 6
+ }
+ }
+ result = append(result, itoa64[v&0x3f])
+
+ return append(append(append(magic, salt...), '$'), result...)
+}
--
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