update ca
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204
私有CA.md
204
私有CA.md
@ -209,4 +209,206 @@ curl --cacert ca.pem https://server.example.com
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- 如需撤销证书,可使用CFSSL生成证书撤销列表(CRL)
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- 更新 `ca-config.json` 添加CRL配置
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通过以上步骤,你已成功创建了一个有效期10年的私有CA,并使用它签署了服务器和客户端证书。
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通过以上步骤,你已成功创建了一个有效期10年的私有CA,并使用它签署了服务器和客户端证书。
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### 八、附快速签发脚本
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```bash
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#!/bin/bash
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# 证书快速签发脚本
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# 依赖: cfssl, cfssljson 已安装并初始化好CA证书
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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NC='\033[0m' # No Color
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# 默认配置
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CA_KEY="/root/ckw/cfssl/ca/ca-ecdsa-key.pem"
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CA_CERT="/root/ckw/cfssl/ca/ca-ecdsa.pem"
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CA_CONFIG="/root/ckw/cfssl/ca/ca-config.json"
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OUTPUT_DIR="certs"
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MERGE_CA="true" # 默认合并根证书
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# 使用帮助
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function show_help {
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echo -e "${GREEN}证书快速签发脚本${NC}"
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echo "用法: $0 [选项]"
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echo "选项:"
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echo " -h, --help 显示此帮助信息"
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echo " -n, --name NAME 证书名称 (必填)"
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echo " -t, --type TYPE 证书类型: server, client, peer (默认: server)"
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echo " -c, --ca CA_CERT CA证书路径 (默认: $CA_CERT)"
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echo " -k, --ca-key CA_KEY CA私钥路径 (默认: $CA_KEY)"
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echo " -C, --ca-config CONF CA配置文件路径 (默认: $CA_CONFIG)"
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echo " -o, --output DIR 输出目录 (默认: $OUTPUT_DIR)"
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echo " -d, --domains LIST 域名列表 (逗号分隔)"
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echo ""
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echo "示例:"
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echo " $0 -n server1 -d example.com,www.example.com "
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}
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# 参数解析
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NAME=""
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TYPE="server"
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DOMAINS=""
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while [[ $# -gt 0 ]]; do
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case $1 in
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-h|--help)
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show_help
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exit 0
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;;
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-n|--name)
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NAME="$2"
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shift 2
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;;
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-t|--type)
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TYPE="$2"
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shift 2
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;;
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-c|--ca)
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CA_CERT="$2"
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shift 2
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;;
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-k|--ca-key)
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CA_KEY="$2"
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shift 2
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;;
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-C|--ca-config)
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CA_CONFIG="$2"
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shift 2
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;;
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-o|--output)
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OUTPUT_DIR="$2"
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shift 2
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;;
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-d|--domains)
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DOMAINS="$2"
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shift 2
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;;
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--no-merge-ca)
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MERGE_CA="false"
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shift
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;;
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*)
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echo -e "${RED}未知参数: $1${NC}" >&2
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show_help
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exit 1
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;;
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esac
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done
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# 验证必填参数
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if [[ -z "$NAME" ]]; then
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echo -e "${RED}错误: 必须指定证书名称 (-n/--name)${NC}" >&2
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show_help
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exit 1
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fi
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# 验证证书类型
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if [[ "$TYPE" != "server" && "$TYPE" != "client" && "$TYPE" != "peer" ]]; then
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echo -e "${RED}错误: 证书类型必须是 server, client 或 peer${NC}" >&2
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exit 1
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fi
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# 验证文件是否存在
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for file in "$CA_CERT" "$CA_KEY" "$CA_CONFIG"; do
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if [[ ! -f "$file" ]]; then
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echo -e "${RED}错误: 文件 $file 不存在${NC}" >&2
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exit 1
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fi
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done
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# 当类型为server且未指定域名时,默认将name作为域名
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if [[ "$TYPE" == "server" && -z "$DOMAINS" ]]; then
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DOMAINS="$NAME"
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echo -e "${YELLOW}注意: 证书类型为server且未指定域名,默认添加 ${NAME} 作为域名${NC}"
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fi
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# 创建证书单独目录
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CERT_DIR="$OUTPUT_DIR/$NAME"
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mkdir -p "$CERT_DIR" || { echo -e "${RED}无法创建证书目录: $CERT_DIR${NC}"; exit 1; }
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# 生成证书签名请求配置
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CSR_CONFIG="$CERT_DIR/${NAME}-csr.json"
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cat > "$CSR_CONFIG" <<EOF
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{
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"CN": "$NAME",
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"key": {
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"algo": "ecdsa",
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"size": 256
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},
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"names": [
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{
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"C": "CN",
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"ST": "Beijing",
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"L": "Beijing",
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"O": "CUA",
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"OU": "IT"
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}
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]
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}
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EOF
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# 生成SAN列表
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SAN_LIST=""
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if [[ -n "$DOMAINS" ]]; then
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SAN_LIST+="$DOMAINS,"
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fi
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# 移除末尾逗号
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SAN_LIST="${SAN_LIST%,}"
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# 根据证书类型选择profile
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case "$TYPE" in
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server)
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PROFILE="server"
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;;
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client)
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PROFILE="client"
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;;
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peer)
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PROFILE="peer"
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;;
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esac
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# 生成证书
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echo -e "${YELLOW}正在生成 $TYPE 证书: $NAME${NC}"
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echo -e "${YELLOW}SAN列表: $SAN_LIST${NC}"
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cfssl gencert \
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-ca="$CA_CERT" \
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-ca-key="$CA_KEY" \
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-config="$CA_CONFIG" \
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-profile="$PROFILE" \
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${SAN_LIST:+-hostname="$SAN_LIST"} \
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"$CSR_CONFIG" | cfssljson -bare "$CERT_DIR/$NAME"
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# 验证生成结果
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if [[ -f "$CERT_DIR/${NAME}.pem" && -f "$CERT_DIR/${NAME}-key.pem" ]]; then
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echo -e "${GREEN}证书生成成功!${NC}"
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echo -e "${GREEN}证书路径: ${CERT_DIR}/${NAME}.pem${NC}"
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echo -e "${GREEN}私钥路径: ${CERT_DIR}/${NAME}-key.pem${NC}"
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echo -e "${GREEN}证书签名请求: ${CSR_CONFIG}${NC}"
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# 合并根证书
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if [[ "$MERGE_CA" == "true" ]]; then
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FULL_CHAIN="${CERT_DIR}/${NAME}-fullchain.pem"
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cat "$CERT_DIR/${NAME}.pem" "$CA_CERT" > "$FULL_CHAIN"
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echo -e "${GREEN}合并后的完整证书链: ${FULL_CHAIN}${NC}"
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fi
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# 显示证书信息
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echo -e "\n${YELLOW}证书信息:${NC}"
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openssl x509 -noout -text -in "$CERT_DIR/${NAME}.pem" | grep -A 5 "Subject Alternative Name"
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else
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echo -e "${RED}证书生成失败!${NC}"
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exit 1
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fi
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```
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