ืื ื’ืœื™ืชืฆืจืคืชื™ืชืกืคืจื“ื™

ืกืžืœ OnWorks

rsautlssl - ืžืงื•ื•ืŸ ื‘ืขื ืŸ

ื”ืคืขืœ ืืช rsautlssl ื‘ืกืคืง ืื™ืจื•ื— ื‘ื—ื™ื ื ืฉืœ OnWorks ืขืœ ืื•ื‘ื•ื ื˜ื• ืžืงื•ื•ืŸ, ืคื“ื•ืจื” ืžืงื•ื•ืŸ, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ื–ื•ื”ื™ ื”ืคืงื•ื“ื” rsautlssl ืฉื ื™ืชืŸ ืœื”ืจื™ืฅ ื‘ืกืคืง ื”ืื™ืจื•ื— ื”ื—ื™ื ืžื™ ืฉืœ OnWorks ื‘ืืžืฆืขื•ืช ืื—ืช ืžืชื—ื ื•ืช ื”ืขื‘ื•ื“ื” ื”ืžืงื•ื•ื ื•ืช ื”ืžืจื•ื‘ื•ืช ืฉืœื ื•, ื›ื’ื•ืŸ Ubuntu Online, Fedora Online, ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ Windows ืื• ืืžื•ืœื˜ื•ืจ ืžืงื•ื•ืŸ ืฉืœ MAC OS

ืชึธื›ึฐื ึดื™ืช:

ืฉืึตื


rsautl - ื›ืœื™ RSA

ืชึทืงืฆึดื™ืจ


OpenSSL rsautl [- ืคื™ืœื”] [ืืื•ื˜ ืคื™ืœื”] [-ื“ื™ื• ืคื™ืœื”] [-ืคื•ื‘ื™ืŸ] [-ื‘ื˜ื•ื—] [-ืกึดื™ืžึธืŸ] [-ืชืืฉืจ]
[-ื”ืฆืคื™ืŸ] [-ืคืขื ื•ื—] [-pkcs] [-ssl] [-ื’ืœื] [-ื”ืงืกื“ืžืค] [-asn1parse]

ืชื™ืื•ืจ


ื”ืฉืžื™ื™ื rsautl ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ืคืงื•ื“ื” ื›ื“ื™ ืœื—ืชื•ื, ืœืืžืช, ืœื”ืฆืคื™ืŸ ื•ืœืคืขื ื— ื ืชื•ื ื™ื ื‘ืืžืฆืขื•ืช ื”-RSA
ืืœื’ื•ืจื™ืชื.

ืคืงื•ื“ื” ืืคืฉืจื•ื™ื•ืช


- ืฉื ื”ืงื•ื‘ืฅ
ื–ื” ืžืฆื™ื™ืŸ ืืช ืฉื ืงื•ื‘ืฅ ื”ืงืœื˜ ืฉืžืžื ื• ื™ืฉ ืœืงืจื•ื ื ืชื•ื ื™ื ืื• ืงืœื˜ ืกื˜ื ื“ืจื˜ื™ ืื ืืคืฉืจื•ืช ื–ื•
ืœื ืžืฆื•ื™ืŸ.

ืืื•ื˜ ืฉื ื”ืงื•ื‘ืฅ
ืžืฆื™ื™ืŸ ืืช ืฉื ืงื•ื‘ืฅ ื”ืคืœื˜ ืœื›ืชื™ื‘ื” ืื• ืคืœื˜ ืกื˜ื ื“ืจื˜ื™ ื›ื‘ืจื™ืจืช ืžื—ื“ืœ.

-ื“ื™ื• ืคื™ืœื”
ืงื•ื‘ืฅ ืžืคืชื— ื”ืงืœื˜, ื›ื‘ืจื™ืจืช ืžื—ื“ืœ ื”ื•ื ืฆืจื™ืš ืœื”ื™ื•ืช ืžืคืชื— ืคืจื˜ื™ RSA.

-ืคื•ื‘ื™ืŸ
ืงื•ื‘ืฅ ื”ืงืœื˜ ื”ื•ื ืžืคืชื— RSA ืฆื™ื‘ื•ืจื™.

-ื‘ื˜ื•ื—
ื”ืงืœื˜ ื”ื•ื ืื™ืฉื•ืจ ื”ืžื›ื™ืœ ืžืคืชื— ืฆื™ื‘ื•ืจื™ RSA.

-ืกึดื™ืžึธืŸ
ื—ืชืžื• ืขืœ ื ืชื•ื ื™ ื”ืงืœื˜ ื•ื”ื•ืฆื™ืื• ืืช ื”ืชื•ืฆืื” ื”ื—ืชื•ืžื”. ื–ื” ื“ื•ืจืฉ ืžืคืชื— ืคืจื˜ื™ RSA.

-ืชืืฉืจ
ืืžืช ืืช ื ืชื•ื ื™ ื”ืงืœื˜ ื•ืคืœื˜ ืืช ื”ื ืชื•ื ื™ื ื”ืžืฉื•ื—ื–ืจื™ื.

-ื”ืฆืคื™ืŸ
ื”ืฆืคื™ืŸ ืืช ื ืชื•ื ื™ ื”ืงืœื˜ ื‘ืืžืฆืขื•ืช ืžืคืชื— RSA ืฆื™ื‘ื•ืจื™.

-ืคืขื ื•ื—
ืคืขื ื•ื— ื ืชื•ื ื™ ื”ืงืœื˜ ื‘ืืžืฆืขื•ืช ืžืคืชื— ืคืจื˜ื™ RSA.

-pkcs, -ืื•ืฃ, -ssl, -ื’ืœื
ื”ืจื™ืคื•ื“ ืœืฉื™ืžื•ืฉ: PKCS#1 v1.5 (ื‘ืจื™ืจืช ื”ืžื—ื“ืœ), PKCS#1 OAEP, ืจื™ืคื•ื“ ืžื™ื•ื—ื“ ื‘ืฉื™ืžื•ืฉ ื‘
ืœื—ื™ืฆื•ืช ื™ื“ ืชื•ืืžื•ืช SSL v2 ืœืื—ื•ืจ, ืื• ืœืœื ืจื™ืคื•ื“, ื‘ื”ืชืืžื”. ืขื‘ื•ืจ ื—ืชื™ืžื•ืช,
ืจืง -pkcs ื• -ื’ืœื ื™ื›ื•ืœ ืœืฉืžืฉ.

-ื”ืงืกื“ืžืค
hex dump ืืช ื ืชื•ื ื™ ื”ืคืœื˜.

-asn1parse
asn1parse ืืช ื ืชื•ื ื™ ื”ืคืœื˜, ื–ื” ืฉื™ืžื•ืฉื™ ื‘ืฉื™ืœื•ื‘ ืขื -ืชืืฉืจ ืื•ึนืคึผึฐืฆึดื™ึธื”.

ืื•ืจื™ื


rsautl ืžื›ื™ื•ื•ืŸ ืฉื”ื•ื ืžืฉืชืžืฉ ื‘ืืœื’ื•ืจื™ืชื RSA ื™ืฉื™ืจื•ืช ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ื• ืจืง ื›ื“ื™ ืœื—ืชื•ื ืื• ืœืืžืช ืงื˜ืŸ
ืคื™ืกื•ืช ื ืชื•ื ื™ื.

ื“ื•ื’ืžืื•ืช


ื—ืชื•ื ืขืœ ื›ืžื” ื ืชื•ื ื™ื ื‘ืืžืฆืขื•ืช ืžืคืชื— ืคืจื˜ื™:

openssl rsautl -ื›ื ื™ืกื” -ืงื•ื‘ืฅ -inkey key.pem -out sig

ืฉื—ื–ืจ ืืช ื”ื ืชื•ื ื™ื ื”ื—ืชื•ืžื™ื

openssl rsautl -ืื™ืžื•ืช -in sig -inkey key.pem

ื‘ื“ื•ืง ืืช ื”ื ืชื•ื ื™ื ื”ื’ื•ืœืžื™ื™ื ื”ื—ืชื•ืžื™ื:

openssl rsautl -ืื™ืžื•ืช -ื‘ืงื•ื‘ืฅ -inkey key.pem -raw -hexdump

0000 - 00 01 ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .....
0010 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0020 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0030 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0040 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0050 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0060 - ff ff ff ff ff ff ff ff-ff ff ff ff ff ff ff ff .
0070 - ff ff ff ff 00 68 65 6c-6c 6f 20 77 6f 72 6c 64 .....ืฉืœื•ื ืขื•ืœื

ืขื™ืฆื•ื‘ ื”ื‘ืœื•ืง PKCS#1 ื ื™ื›ืจ ืžื›ืืŸ. ืื ื–ื” ื ืขืฉื” ื‘ืืžืฆืขื•ืช ื”ืฆืคื ื” ื•
ืคืขื ื•ื— ื”ื‘ืœื•ืง ื”ื™ื” ืžืกื•ื’ 2 (ื”ื‘ื™ื™ื˜ ื”ืฉื ื™) ื•ื ืชื•ื ื™ ืจื™ืคื•ื“ ืืงืจืื™ื™ื
ื’ืœื•ื™ ื‘ืžืงื•ื ื‘ืชื™ื 0xff.

ื ื™ืชืŸ ืœื ืชื— ืืช ื”ื—ืชื™ืžื” ืฉืœ ืื™ืฉื•ืจื™ื ื‘ืืžืฆืขื•ืช ื›ืœื™ ื–ื” ื‘ื™ื—ื“
ืขื asn1parse. ืฉืงื•ืœ ืืช ื”ื“ื•ื’ืžื” ื‘ื—ืชื™ืžื” ืขืฆืžื™ืช ื‘-certs/pca-cert.pem . ืจืฅ asn1parse
ื›ื“ืœืงืžืŸ ืชืฉื•ืื•ืช:

openssl asn1parse -in pca-cert.pem

0:d=0 hl=4 l= 742 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
4:d=1 hl=4 l= 591 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
8:d=2 hl=2 l= 3 ื—ืกืจื•ื ื•ืช: ื”ืžืฉืš [ 0 ]
10:d=3 hl=2 l= 1 prim: ืฉืœื :02
13:d=2 hl=2 l= 1 prim: ืฉืœื :00
16:d=2 hl=2 l= 13 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
18:d=3 hl=2 l= 9 prim: OBJECT :md5WithRSAencryption
29:d=3 hl=2 l= 0 prim: NULL
31:d=2 hl=2 l= 92 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
33:d=3 hl=2 l= 11 ื—ืกืจื•ื ื•ืช: SET
35:d=4 hl=2 l= 9 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
37:d=5 hl=2 l= 3 prim: OBJECT :countryName
42:d=5 hl=2 l= 2 prim: PRINTABLESTRING :AU
....
599:d=1 hl=2 l= 13 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
601:d=2 hl=2 l= 9 prim: OBJECT :md5WithRSAencryption
612:d=2 hl=2 l= 0 prim: NULL
614:d=1 hl=3 l= 129 prim: BIT STRING

ื”-BIT STRING ื”ืกื•ืคื™ ืžื›ื™ืœ ืืช ื”ื—ืชื™ืžื” ื‘ืคื•ืขืœ. ื ื™ืชืŸ ืœื—ืœืฅ ืขื:

openssl asn1parse -in pca-cert.pem -out sig -noout -strparse 614

ื ื™ืชืŸ ืœื—ืœืฅ ืืช ื”ืžืคืชื— ื”ืฆื™ื‘ื•ืจื™ ืฉืœ ื”ืื™ืฉื•ืจ ื‘ืืžืฆืขื•ืช:

openssl x509 -in test/testx509.pem -pubkey -noout >pubkey.pem

ื ื™ืชืŸ ืœื ืชื— ืืช ื”ื—ืชื™ืžื” ื‘ืืžืฆืขื•ืช:

openssl rsautl -in sig -verify -asn1parse -inkey pubkey.pem -pubin

0:d=0 hl=2 l= 32 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
2:d=1 hl=2 l= 12 ื—ืกืจื•ื ื•ืช: ืจืฆืฃ
4:d=2 hl=2 l= 8 prim: OBJECT :md5
14:d=2 hl=2 l= 0 prim: NULL
16:d=1 hl=2 l= 16 prim: OCTET STRING
0000 - f3 46 9e aa 1a 4a 73 c9-37 ea 93 00 48 25 08 b5 .F...Js.7...H%..

ื–ื•ื”ื™ ื”ื’ืจืกื” ื”ืžื ืชื—ืช ืฉืœ ืžื‘ื ื” ASN1 DigestInfo. ื ื™ืชืŸ ืœืจืื•ืช ื›ื™ ื”ืขื™ื›ื•ืœ
ื‘ืฉื™ืžื•ืฉ ื”ื™ื” md5. ื ื™ืชืŸ ืœื—ืœืฅ ืืช ื”ื—ืœืง ื‘ืคื•ืขืœ ืฉืœ ื”ืื™ืฉื•ืจ ืฉื ื—ืชื ื‘ืืžืฆืขื•ืช:

openssl asn1parse -in pca-cert.pem -out tbs -noout -strparse 4

ื•ื”ืขื™ื›ื•ื‘ ืฉืœื• ืžื—ื•ืฉื‘ ืขื:

openssl md5 -c tbs
MD5(tbs)= f3:46:9e:aa:1a:4a:73:c9:37:ea:93:00:48:25:08:b5

ืืฉืจ ื ื™ืชืŸ ืœืจืื•ืช ืžืชื™ื™ืฉื‘ ืขื ื”ืขืจืš ื”ืžื•ื—ื–ืจ ืœืขื™ืœ.

ื”ืฉืชืžืฉ ื‘-rsautlssl ื‘ืื™ื ื˜ืจื ื˜ ื‘ืืžืฆืขื•ืช ืฉื™ืจื•ืชื™ onworks.net


ืฉืจืชื™ื ื•ืชื—ื ื•ืช ืขื‘ื•ื“ื” ื‘ื—ื™ื ื

ื”ื•ืจื“ ืืคืœื™ืงืฆื™ื•ืช Windows & Linux

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