mirror of https://github.com/briansmith/webpki
94 lines
3.3 KiB
Plaintext
94 lines
3.3 KiB
Plaintext
This test data was produced by creating a self-signed RSA cert using OpenSSL,
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and then extracting the relevant fields.
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It uses RSA PKCS#1 v1.5 with SHA-512 and a 2048-bit key.
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(1) Generate self-signed certificate
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openssl genrsa -out rsa_key.pem 2048
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openssl req -new -key rsa_key.pem -x509 -nodes -days 365 -sha512 -out cert.pem
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(2) Extract public key
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openssl x509 -in cert.pem -pubkey -noout > pubkey.pem
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cat pubkey.pem
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(3) Extract signed data (tbsCertificate)
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openssl asn1parse -in cert.pem -out tbs -noout -strparse 4
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base64 tbs
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(4) Extract signature algorithm
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# Find the offset of the signature algorithm near the end (589 in this case)
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openssl asn1parse -in cert.pem
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openssl asn1parse -in cert.pem -out alg -noout -strparse 589
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base64 alg
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(5) Extract the signature
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# Find the final offset of BIT STRING (506 in this case)
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openssl asn1parse -in cert.pem
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openssl asn1parse -in cert.pem -out sig -noout -strparse 506
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base64 sig
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-----BEGIN PUBLIC KEY-----
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MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzcu2shJRrXFAwMkf30y2AY1zIg9VF/h
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egYcejzdR2AzUb8vU2TXld2i8pp44l+DrvtqmzS7G+yxx3uOx+zsoqBaUT0c9HfkbE+IRmcLkQF
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vYpSpm6Eu8OS14CSmEtiR91Et8LR0+bd0Gn3pgmb+epFJBaBPeDSiI/smqKCs7yP04+tS4Q4r47
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G04LhSp4/hmqH32b4Gcm9nsihHV9FfPfVdxDQUEJp3AgyBPwhPZEAyhoQS73TjjxXHqJRSz37Sl
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ueMVPuNncqbT4nAMKz25J1CtRlQh21uZzfY2QRP3m6rAZquQUos1febC6A7qmhQljWKKmXtfVY+
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fAamstdHrWwIDAQAB
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-----END PUBLIC KEY-----
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$ openssl asn1parse -i < [PUBLIC KEY]
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0:d=0 hl=4 l= 290 cons: SEQUENCE
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4:d=1 hl=2 l= 13 cons: SEQUENCE
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6:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption
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17:d=2 hl=2 l= 0 prim: NULL
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19:d=1 hl=4 l= 271 prim: BIT STRING
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-----BEGIN ALGORITHM-----
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MA0GCSqGSIb3DQEBDQUA
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-----END ALGORITHM-----
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$ openssl asn1parse -i < [ALGORITHM]
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0:d=0 hl=2 l= 13 cons: SEQUENCE
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2:d=1 hl=2 l= 9 prim: OBJECT :sha512WithRSAEncryption
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13:d=1 hl=2 l= 0 prim: NULL
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-----BEGIN DATA-----
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MIICRaADAgECAgkA7jWRLkwHvHswDQYJKoZIhvcNAQENBQAwRTELMAkGA1UEBhMCQVUxEzARBgN
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VBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0xNT
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A3MjgwMjIyMzFaFw0xNjA3MjcwMjIyMzFaMEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lL
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VN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggEiMA0GCSqGSIb3DQEB
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AQUAA4IBDwAwggEKAoIBAQDNy7ayElGtcUDAyR/fTLYBjXMiD1UX+F6Bhx6PN1HYDNRvy9TZNeV
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3aLymnjiX4Ou+2qbNLsb7LHHe47H7OyioFpRPRz0d+RsT4hGZwuRAW9ilKmboS7w5LXgJKYS2JH
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3US3wtHT5t3QafemCZv56kUkFoE94NKIj+yaooKzvI/Tj61LhDivjsbTguFKnj+GaoffZvgZyb2
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eyKEdX0V899V3ENBQQmncCDIE/CE9kQDKGhBLvdOOPFceolFLPftKW54xU+42dyptPicAwrPbkn
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UK1GVCHbW5nN9jZBE/ebqsBmq5BSizV95sLoDuqaFCWNYoqZe19Vj58Bqay10etbAgMBAAGjUDB
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OMB0GA1UdDgQWBBRsCPajkEscZM6SpLbNTa/7dY5azzAfBgNVHSMEGDAWgBRsCPajkEscZM6SpL
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bNTa/7dY5azzAMBgNVHRMEBTADAQH/
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-----END DATA-----
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-----BEGIN SIGNATURE-----
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A4IBAQAhKSNq+X/CfzhtNsMo6MJpTBjJBV5fhHerIZr6e3ozCTBCR29vYsVnJ4/6i5lL1pNeOhM
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ldthnuSlMzTS1Zme1OqRWB3U8QmwCFwhDxW/i4fdT8kxDAmELNp4z0GcXbe27V895PE0R/m8P47
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B6xbra+SQlEMW12K1EndUqrO6vgLbobV14mveWdgc0KIOnDKgsTHV8NTV1w3qtp1ujfvizYfBZu
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yyMOA1yZPDpREZtClro7lufwDQ7+LgSdtNLMDAMzapfIjAEPVNVLmJzMgzaHqMsZM8gP8vWAdfc
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R4mCmWXVotrM6d1rjJGdRADAONYCC4/+d1IMkVGoVfpaej6I
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-----END SIGNATURE-----
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$ openssl asn1parse -i < [SIGNATURE]
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0:d=0 hl=4 l= 257 prim: BIT STRING
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