1This test specified a valid ECDSA signature and EC key (the same as ecdsa-prime256v1-sha512.pem)
2
3The problem however is the signature algorithm is indicated as being RSA PKCS#1 v1.5.
4
5Signature verification consequently should fail.
6
7
8$ openssl asn1parse -i < [PUBLIC KEY]
9    0:d=0  hl=2 l=  89 cons: SEQUENCE
10    2:d=1  hl=2 l=  19 cons:  SEQUENCE
11    4:d=2  hl=2 l=   7 prim:   OBJECT            :id-ecPublicKey
12   13:d=2  hl=2 l=   8 prim:   OBJECT            :prime256v1
13   23:d=1  hl=2 l=  66 prim:  BIT STRING
14-----BEGIN PUBLIC KEY-----
15MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEnLDPaTA9r8dh1ORoe07PA55tNKuWSvgIENjVWKS
16o1vctUSM6F4iSCobuCKGWLHnvoxf7eHnil9rSFG25lfoceA==
17-----END PUBLIC KEY-----
18
19$ openssl asn1parse -i < [ALGORITHM]
20    0:d=0  hl=2 l=  13 cons: SEQUENCE
21    2:d=1  hl=2 l=   9 prim:  OBJECT            :sha512WithRSAEncryption
22   13:d=1  hl=2 l=   0 prim:  NULL
23-----BEGIN ALGORITHM-----
24MA0GCSqGSIb3DQEBDQUA
25-----END ALGORITHM-----
26
27-----BEGIN DATA-----
28bikyFTMBpO72gOZCiSmtrpiMEI1mijH/VdBImUfXX/gaRr+J6E1kAfAjvm6HaI+814TXhcqEZzV
29SSstS0ARSyEBApHnnzDMJNkQdk7vnIqlDKm4dsRK1yUA7ECcssTR/1hnUY/ep0iOtdv3gbYpog1
30APuEMjWr/5jiQb37VTjD4=
31-----END DATA-----
32
33$ openssl asn1parse -i < [SIGNATURE]
34    0:d=0  hl=2 l=  71 prim: BIT STRING
35-----BEGIN SIGNATURE-----
36A0cAMEQCIEufkeQoUocmGh0ckjz2Gc1SwXXP5/G+YKUljGEDSLo9AiAoxF+QHXHEGymGOOwNaoX
37X/LDDO7/sWpyBCEa2OSiahA==
38-----END SIGNATURE-----
39