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生成证书请求CSR

来源:互联网 作者:佚名 时间:2015-01-03 12:39
本文原创自 http://blog.csdn.net/voipmaker 转载注明出处。本系列文章分为三篇,主要介绍构建自己的证书颁发服务,生成证书请求,以及通过自己构建的CA给生成的

本文原创自   转载注明出处。

本系列文章分为三篇,主要介绍构建自己的证书颁发服务,,生成证书请求,以及通过自己构建的CA给生成的证书请求签名并最终应用到服务。

创建csr请求,然后通过CA签名,生成的证书即可使用

mkdir /home/cg/mycert
cd /home/cg/mycert/
mkdir private conf csr

vim /home/cg/mycert/conf/serverconfig.cnf

[ ca ]
default_ca = CA_default

[ CA_default ]
dir = /home/cg/mycert/
certs = $dir/certs
crl_dir = $dir/crl
database = $dir/index.txt
new_certs_dir = $dir/newcerts
certificate = $dir/certs/cacert.pem
serial = $dir/serial
#crl = $dir/crl.pem
private_key = $dir/private/cakey.pem
#RANDFILE = $dir/private/.rand
x509_extensions = usr_cert
#crl_extensions = crl_ext
default_days = 3650
#default_startdate = YYMMDDHHMMSSZ
#default_enddate = YYMMDDHHMMSSZ
#default_crl_days= 30
#default_crl_hours = 24
default_md = sha1
preserve = no
#msie_hack
policy = policy_match

[ policy_match ]
countryName = match
stateOrProvinceName = match
localityName = match
organizationName = match
organizationalUnitName = optional
commonName = supplied
emailAddress = optional

[ req ]
default_bits = 4096 # Size of keys
default_keyfile = key.pem # name of generated keys
distinguished_name = req_distinguished_name
attributes = req_attributes
x509_extensions = v3_ca
#input_password
#output_password
string_mask = nombstr # permitted characters
req_extensions = v3_req

[ req_distinguished_name ]
countryName = Country Name (2 letter code)
countryName_default = US
countryName_min = 2
countryName_max = 2
stateOrProvinceName = State or Province Name (full name)
stateOrProvinceName_default = New York
localityName = Locality Name (city, district)
localityName_default = New York
organizationName = Organization Name (company)
organizationName_default = Code Ghar
organizationalUnitName = Organizational Unit Name (department, division)
organizationalUnitName_default = IT
commonName = Common Name (hostname, FQDN, IP, or your name)
commonName_max = 64
commonName_default = CGIT
emailAddress = Email Address
emailAddress_max = 40
emailAddress_default = codeghar@example.com

[ req_attributes ]
#challengePassword = A challenege password
#challengePassword_min = 4
#challengePassword_max = 20
#unstructuredName = An optional company name

[ usr_cert ]
basicConstraints= CA:FALSE
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer:always
#nsComment = ''OpenSSL Generated Certificate''
#nsCertType = client, email, objsign for ''everything including object signing''
subjectAltName=email:copy
issuerAltName=issuer:copy
#nsCaRevocationUrl =
#nsBaseUrl = 
#nsRenewalUrl =
#nsCaPolicyUrl = 
#nsSslServerName =


[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment


[ v3_ca ]
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always,issuer:always
basicConstraints = CA:TRUE
#keyUsage = cRLSign, keyCertSign
#nsCertType = sslCA, emailCA
#subjectAltName=email:copy
#issuerAltName=issuer:copy
#obj=DER:02:03

[ crl_ext ]
#issuerAltName=issuer:copy
authorityKeyIdentifier=keyid:always,issuer:always

生成csr
openssl req -new -config conf/serverconfig.cnf -keyform PEM -keyout private/key.csr.server1.pem -outform PEM -out csr/csr.server1.pem -nodes

文件key.csr.server1.pem 和 csr.server1.pem,在目录 $dir/private和 $dir/csr 生成

把 csr.server1.pem给CA生成证书

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