From f5051f3e20e5270f892e8df12ddd3f72f320a62d Mon Sep 17 00:00:00 2001
From: Randall <randall@randallanjie.com>
Date: Thu, 1 Aug 2024 14:56:35 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20blasting/crack=5Fbcrypt/cr?=
 =?UTF-8?q?ack=5Fbcrypt.sh?=
MIME-Version: 1.0
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---
 blasting/crack_bcrypt/crack_bcrypt.sh | 64 +++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 blasting/crack_bcrypt/crack_bcrypt.sh

diff --git a/blasting/crack_bcrypt/crack_bcrypt.sh b/blasting/crack_bcrypt/crack_bcrypt.sh
new file mode 100644
index 0000000..cd0e495
--- /dev/null
+++ b/blasting/crack_bcrypt/crack_bcrypt.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+# 处理参数
+while getopts ":b:c:l:" opt; do
+  case $opt in
+    b) hash_value="$OPTARG" ;;
+    c) charset_option="$OPTARG" ;;
+    l) max_length="$OPTARG" ;;
+    \?) echo "Invalid option -$OPTARG" >&2; exit 1 ;;
+    :) echo "Option -$OPTARG requires an argument." >&2; exit 1 ;;
+  esac
+done
+
+# 检查参数
+if [ -z "$hash_value" ] || [ -z "$charset_option" ] || [ -z "$max_length" ]; then
+    echo "用法: $0 -b <hash_value> -c <charset_option> -l <max_length>"
+    echo "  charset_option: 1 (包含特殊字符) 或 2 (不包含特殊字符)"
+    exit 1
+fi
+
+# 设置字符集
+if [ "$charset_option" == "1" ]; then
+    charset='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_+-=[]{}|;:,.<>?/~`'
+elif [ "$charset_option" == "2" ]; then
+    charset='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+else
+    echo "无效的 charset_option"
+    exit 1
+fi
+
+# 计算总组合数
+total_combinations=$((0))
+for length in $(seq 1 $max_length); do
+    total_combinations=$((total_combinations + ${#charset}**length))
+done
+
+start_time=$(date +%s)
+attempts=0
+
+for length in $(seq 1 $max_length); do
+    # 生成密码组合时使用seq和tr来避免eval
+    for guess in $(seq 1 $length | tr '1-9' "$charset"); do
+        attempts=$((attempts + 1))
+        if echo -n "$guess" | bcrypt "$hash_value" &> /dev/null; then
+            end_time=$(date +%s)
+            elapsed_time=$((end_time - start_time))
+            echo -e "\n找到匹配的密码: $guess (尝试次数: $attempts, 耗时: $elapsed_time 秒)"
+            exit 0
+        fi
+
+        # 实时展示进度 (每 100 个密码更新一次)
+        if ((attempts % 100 == 0)); then
+            progress=$(echo "scale=2; $attempts / $total_combinations * 100" | bc)
+            elapsed_time=$(( $(date +%s) - start_time))
+            estimated_remaining_time=$(echo "scale=2; ($elapsed_time / $progress) * (100 - $progress)" | bc)
+            echo -ne "\r进度: $progress%, 尝试次数: $attempts, 已耗时: $elapsed_time 秒, 预计剩余时间: $estimated_remaining_time 秒"
+        fi
+    done
+done
+
+end_time=$(date +%s)
+elapsed_time=$((end_time - start_time))
+echo -e "\n未找到匹配的密码 (尝试次数: $attempts, 耗时: $elapsed_time 秒)"
+exit 1