rsa-pkcs1-sha256-using-ecdsa-algorithm.pem 2.0 KB

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  1. This test specified a valid RSA PKCS#1 v.1.5 signature and RSA key (the same as rsa-pkcs1-sha256.pem).
  2. The problem however is the signature algorithm is indicated as being ECDSA.
  3. Signature verification consequently should fail.
  4. $ openssl asn1parse -i < [PUBLIC KEY]
  5. 0:d=0 hl=3 l= 159 cons: SEQUENCE
  6. 3:d=1 hl=2 l= 13 cons: SEQUENCE
  7. 5:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption
  8. 16:d=2 hl=2 l= 0 prim: NULL
  9. 18:d=1 hl=3 l= 141 prim: BIT STRING
  10. -----BEGIN PUBLIC KEY-----
  11. MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp1JnY2zQIQRQPz7ybs6mUjHT3
  12. hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA0agnwAjfB/ow4EH+3HEYV52q
  13. pxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/cn318EhhQIDAQAB
  14. -----END PUBLIC KEY-----
  15. $ openssl asn1parse -i < [ALGORITHM]
  16. 0:d=0 hl=2 l= 10 cons: SEQUENCE
  17. 2:d=1 hl=2 l= 8 prim: OBJECT :ecdsa-with-SHA256
  18. -----BEGIN ALGORITHM-----
  19. MAoGCCqGSM49BAMC
  20. -----END ALGORITHM-----
  21. -----BEGIN DATA-----
  22. MIIB46ADAgECAgkA3l4tFOVii0UwDQYJKoZIhvcNAQELBQAwVjELMAkGA1UEBhMCQVUxEzARBgN
  23. VBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1
  24. UEAwwGTXkga2V5MB4XDTE1MDcwMjE3MDYzOVoXDTE2MDcwMTE3MDYzOVowVjELMAkGA1UEBhMCQ
  25. VUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0
  26. ZDEPMA0GA1UEAwwGTXkga2V5MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp
  27. 1JnY2zQIQRQPz7ybs6mUjHT3hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA
  28. 0agnwAjfB/ow4EH+3HEYV52qpxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/
  29. cn318EhhQIDAQABo1AwTjAdBgNVHQ4EFgQUzQBVKTEknyLndWd2HTsBdTKvyikwHwYDVR0jBBgw
  30. FoAUzQBVKTEknyLndWd2HTsBdTKvyikwDAYDVR0TBAUwAwEB/w==
  31. -----END DATA-----
  32. $ openssl asn1parse -i < [SIGNATURE]
  33. 0:d=0 hl=3 l= 129 prim: BIT STRING
  34. -----BEGIN SIGNATURE-----
  35. A4GBADrHSmFSJw/Gv7hs5PNzpaJwAri/sitarIZfzN/SjR+n8L8yeTEoiDb1+BkxlFvXvPHTaOK
  36. oO3WlslNNOxh1W5/JkYYGOUkCcyIjnln6qS560imcr3VNjomT/M8M2Iss+rJiKau1TRuaP7H8i6
  37. +Gqf3saGdr8/LnvFAdNQvkalQt
  38. -----END SIGNATURE-----