ecdsa-prime256v1-sha512-wrong-signature-format.pem 1.4 KB

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  1. This is the same as ecdsa-prime256v1-sha512.pem, except the signature is wrong.
  2. Rather than encoding the signature into a DER-encoded Ecdsa-Sig-Value, it is a
  3. concatenation of the r and s values. This is the format that WebCrypto uses for
  4. ECDSA signature, but not what is used for digital signatures.
  5. $ openssl asn1parse -i < [PUBLIC KEY]
  6. 0:d=0 hl=2 l= 89 cons: SEQUENCE
  7. 2:d=1 hl=2 l= 19 cons: SEQUENCE
  8. 4:d=2 hl=2 l= 7 prim: OBJECT :id-ecPublicKey
  9. 13:d=2 hl=2 l= 8 prim: OBJECT :prime256v1
  10. 23:d=1 hl=2 l= 66 prim: BIT STRING
  11. -----BEGIN PUBLIC KEY-----
  12. MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEnLDPaTA9r8dh1ORoe07PA55tNKuWSvgIENjVWKS
  13. o1vctUSM6F4iSCobuCKGWLHnvoxf7eHnil9rSFG25lfoceA==
  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-SHA512
  18. -----BEGIN ALGORITHM-----
  19. MAoGCCqGSM49BAME
  20. -----END ALGORITHM-----
  21. -----BEGIN DATA-----
  22. bikyFTMBpO72gOZCiSmtrpiMEI1mijH/VdBImUfXX/gaRr+J6E1kAfAjvm6HaI+814TXhcqEZzV
  23. SSstS0ARSyEBApHnnzDMJNkQdk7vnIqlDKm4dsRK1yUA7ECcssTR/1hnUY/ep0iOtdv3gbYpog1
  24. APuEMjWr/5jiQb37VTjD4=
  25. -----END DATA-----
  26. $ openssl asn1parse -i < [SIGNATURE]
  27. 0:d=0 hl=2 l= 65 prim: BIT STRING
  28. -----BEGIN SIGNATURE-----
  29. A0EAS5+R5ChShyYaHRySPPYZzVLBdc/n8b5gpSWMYQNIuj0oxF+QHXHEGymGOOwNaoXX/LDDO7/
  30. sWpyBCEa2OSiahA==
  31. -----END SIGNATURE-----