CSR文件和P10文件 ios csr文件生成

CSR文件和P10文件

1.CSR:证书签发请求(Certificate SigningRequest),或者叫做认证申请,是一个发送到CA的请求认证信息。有两种格式,应用最广泛的是由PKCS#10定义的,另一个用的少的是由SPKAC定义的,主要应用于网景浏览器。

2.在PKCS#10定义中,CSR有两种编码格式:二进制(ASN.1或DERàDistinguished EncodingRules)和文本格式(the text or PEM (Privacy Enhanced Mail) formatted CSRis the binary CSR after it has been Base-64 encoded to create atext version of the CSR.)

Base64编码/解码

即:二进制(ASN.1或DER)<---------à文本(PEM)

3.CSR文件包含的信息描述如下:

CertificationRequest ::= SEQUENCE {
 certificationRequestInfo CertificationRequestInfo, 
signatureAlgorithm AlgorithmIdentifier{{ SignatureAlgorithms }},
 signature BIT STRING
 }

包含两个部分:证书请求信息部分、签名部分(算法和签名)。

证书请求信息:version、Distinguished Name、publickey、Attributes(属性集),另外还可能有可选的字段,如postal address和Emailaddress,这两个字段可以应用于证书的撤销。

签名:签名算法和数字签名(private key签名)

注意:私钥不包含在CSR文件中,但是应用于数字签名。

4.请求信息定义如下:

CertificationRequestInfo ::= SEQUENCE {
 version INTEGER { v1(0) } (v1,...),
 subject Name,
 subjectPKInfo SubjectPublicKeyInfo{{ PKInfoAlgorithms }},
 attributes [0] Attributes{{ CRIAttributes }}
 }

5.CSR文件生成步骤如下:

1)根据Version、Distinguished Name、Public Key、Attributes生成请求证书;

2) 用PrivateKey加密证书请求信息;

3)根据请求信息、签名算法和签名生成CSR文件;

6.CSR文件包括的属性有:

Status

Check

Information

Signature

Valid

Weak-Key

This certificate does not use a blacklisted Debian key (This isgood)

Key-Size

2048

Subject

Subject does not contain empty values

CSR Summary

Subject

RDN

Value

Common Name (CN)域名/名称

testcert.redkestrel.co.uk

Organization (O)单位名称

Red Kestrel Consulting Ltd

Locality (L)城市

Stoke on Trent

State (ST)省份/直辖市

Staffordshire

Country (C)国家

GB

Properties

Property

Value

Subject

CN = testcert.redkestrel.co.uk,O = Red Kestrel Consulting Ltd,L= Stoke on Trent,ST = Staffordshire,C = GB

Key Size

2048 bits

Fingerprint (SHA-1)

2E:7E:41:27:0F:E0:D9:A8:E4:5E:68:DC:89:64:5F:A5:D0:FB:47:BF

Fingerprint (MD5)

59:1D:E9:57:7B:AE:BA:18:FE:E6:A6:CC:14:AC:C4:2C

CSR Detailed Information
 Certificate Request:
 Data:
 Version: 0 (0x0)
 Subject:
 commonName = testcert.redkestrel.co.uk
 organizationName = Red Kestrel Consulting Ltd
 localityName = Stoke on Trent
 stateOrProvinceName = Staffordshire
 countryName = GB
 Subject Public Key Info:
 Public Key Algorithm: rsaEncryption
 RSA Public Key: (2048 bit)
 Modulus (2048 bit):
 00:d6:2d:e5:bc:f0:87:80:21:ad:e7:db:74:7d:f6:
 2f:3b:e1:f8:74:8d:eb:5f:f9:24:ec:18:f8:24:7c:
 65:c6:27:ef:ad:72:52:86:93:73:09:13:48:a3:0f:
 83:cd:6b:11:97:50:23:54:2e:09:f6:44:ec:b2:6e:
 6e:6c:4e:61:b3:a4:43:83:fb:50:00:03:25:7e:a4:
 b4:28:14:d9:07:10:5b:ae:74:6a:95:33:a5:e4:3d:
 67:ea:68:cd:af:2a:f7:73:51:b3:cf:0b:45:ff:31:
 f0:c5:18:fc:5c:f0:06:37:4d:43:37:f3:97:3d:73:
 df:d6:38:81:7a:35:47:00:bc:01:48:40:5d:33:1b:
 b7:af:cc:96:41:a8:36:f8:7a:75:27:6a:d3:12:2c:
 79:b1:45:63:22:d4:97:87:b5:f2:c8:35:78:4d:8a:
 d1:de:c0:44:16:80:80:77:8f:5c:66:87:b0:8f:3b:
 91:5e:4d:be:87:cd:00:f1:73:e7:fb:b8:c8:ac:63:
 ab:3d:27:f3:e1:dc:67:8e:09:e2:03:a2:8a:94:f2:
 39:df:57:97:86:13:32:0c:1f:90:85:31:98:da:8e:
 b3:4a:17:80:d8:2b:76:11:c9:42:34:2b:ae:be:bf:
 42:88:2e:85:27:b4:4b:3e:f8:cd:b4:2e:13:a7:f9:
 51:3d
 Exponent: 65537 (0x10001)
 Attributes:
 a0:00
 Signature Algorithm: sha1WithRSAEncryption
 51:61:3b:a0:15:f7:48:b8:d8:34:ce:77:6e:c0:4e:94:d1:a7:
 b2:00:29:d4:fd:5f:88:23:e9:10:a6:99:18:43:94:27:6c:4e:
 82:e2:07:4a:ed:4d:d5:98:a0:2a:95:a6:88:00:19:c6:ea:1a:
 81:6d:51:fc:03:4c:de:35:e9:bc:22:d5:05:1b:f8:d0:01:c2:
 16:ca:2d:f6:e7:6b:74:26:23:23:8d:da:0c:70:1a:62:f2:e6:
 4f:8f:cf:be:99:ed:72:7d:3f:ef:e8:3f:fd:e9:40:1e:1a:fd:
 50:8a:28:31:9c:30:c2:8e:b2:a2:6e:bb:27:07:f0:fd:b7:bf:
 83:b3:1a:7b:b9:8f:1d:9d:a5:b1:04:d2:d3:68:44:7a:a5:72:
 9c:84:64:d9:6f:66:79:05:0b:ae:df:bf:6a:da:20:d2:6a:89:
 48:1c:74:5a:cc:2d:1e:58:93:73:e9:d7:16:94:2b:c0:52:04:
 cd:5b:8f:18:23:95:c3:b2:e6:09:f3:66:1c:d0:a4:65:5b:91:
 48:90:7f:f4:c7:4b:9a:b7:f0:72:13:c8:dc:d7:93:19:27:be:
 05:97:ec:3a:da:6d:db:fe:e3:f9:ba:9e:60:a1:6e:f0:1d:2c:
 b4:ba:09:04:49:e2:87:15:28:57:5f:2e:64:e9:8e:7a:e5:6e:
 5f:53:7a:9c
 
CSR ASN.1 Information
 
长度
 0 717: SEQUENCE {
 4 437: SEQUENCE {
 8 1: INTEGER 0
 11 135: SEQUENCE {
 14 11: SET {
 16 9: SEQUENCE {
 18 3: OBJECT IDENTIFIER countryName (2 5 4 6)
 23 2: PrintableString 'GB'
 : }
 : }
 27 22: SET {
 29 20: SEQUENCE {
 31 3: OBJECT IDENTIFIER stateOrProvinceName (2 5 4 8)
 36 13: PrintableString 'Staffordshire'
 : }
 : }
 51 23: SET {
 53 21: SEQUENCE {
 55 3: OBJECT IDENTIFIER localityName (2 5 4 7)
 60 14: PrintableString 'Stoke on Trent'
 : }
 : }
 76 35: SET {
 78 33: SEQUENCE {
 80 3: OBJECT IDENTIFIER organizationName (2 5 4 10)
 85 26: PrintableString 'Red Kestrel Consulting Ltd'
 : }
 : }
 113 34: SET {
 115 32: SEQUENCE {
 117 3: OBJECT IDENTIFIER commonName (2 5 4 3)
 122 25: PrintableString 'testcert.redkestrel.co.uk'
 : }
 : }
 : }
 149 290: SEQUENCE {
 153 13: SEQUENCE {
 155 9: OBJECT IDENTIFIER rsaEncryption (1 2 840 113549 1 1 1)
 166 0: NULL
 : }
 168 271: BIT STRING
 : 30 82 01 0A 02 82 01 01 00 D6 2D E5 BC F0 87 80
 : 21 AD E7 DB 74 7D F6 2F 3B E1 F8 74 8D EB 5F F9
 : 24 EC 18 F8 24 7C 65 C6 27 EF AD 72 52 86 93 73
 : 09 13 48 A3 0F 83 CD 6B 11 97 50 23 54 2E 09 F6
 : 44 EC B2 6E 6E 6C 4E 61 B3 A4 43 83 FB 50 00 03
 : 25 7E A4 B4 28 14 D9 07 10 5B AE 74 6A 95 33 A5
 : E4 3D 67 EA 68 CD AF 2A F7 73 51 B3 CF 0B 45 FF
 : 31 F0 C5 18 FC 5C F0 06 37 4D 43 37 F3 97 3D 73
 : [ Another 142 bytes skipped ]
 : }
 443 0: [0]
 : Error: Object has zero length.
 : }
 445 13: SEQUENCE {
 447 9: OBJECT IDENTIFIER sha1withRSAEncryption (1 2 840 113549 1 1 5)
 458 0: NULL
 : }
 460 257: BIT STRING
 : 51 61 3B A0 15 F7 48 B8 D8 34 CE 77 6E C0 4E 94
 : D1 A7 B2 00 29 D4 FD 5F 88 23 E9 10 A6 99 18 43
 : 94 27 6C 4E 82 E2 07 4A ED 4D D5 98 A0 2A 95 A6
 : 88 00 19 C6 EA 1A 81 6D 51 FC 03 4C DE 35 E9 BC
 : 22 D5 05 1B F8 D0 01 C2 16 CA 2D F6 E7 6B 74 26
 : 23 23 8D DA 0C 70 1A 62 F2 E6 4F 8F CF BE 99 ED
 : 72 7D 3F EF E8 3F FD E9 40 1E 1A FD 50 8A 28 31
 : 9C 30 C2 8E B2 A2 6E BB 27 07 F0 FD B7 BF 83 B3
 : [ Another 128 bytes skipped ]
 : }
7. 签名的定义:signature is the result of signing the certification request
7. information with the certification request subject's private
7. key.
7.签名的步骤: The signature process consists of two steps:
7. 1. The value of the certificationRequestInfo component is DER
7. encoded, yielding an octet string.
7. 2. The result of step 1 is signed with the certification request
7. subject's private key under the specified signature
7. algorithm, yielding a bit string, the signature.

8.P10:证书请求文件,类似于CSR文件。

p10证书一般是一个base64文件,实际上他不是一张真正的证书
CSR文件和P10文件 ios csr文件生成
应该是一段可以向CA申请证书的P10请求,该请求一般是通过硬件生成密钥对后,将私钥单独存放,但是将公钥放入p10中,CA受到该p10请求后,可以校验,并根据p10中的信息制作一张没有私钥的公钥证书。

  

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