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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 |
| 3 The problem however is the signature algorithm is indicated as being ECDSA. |
| 4 |
| 5 Signature verification consequently should fail. |
| 6 |
| 7 |
| 8 $ openssl asn1parse -i < [PUBLIC KEY] |
| 9 0:d=0 hl=3 l= 159 cons: SEQUENCE |
| 10 3:d=1 hl=2 l= 13 cons: SEQUENCE |
| 11 5:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption |
| 12 16:d=2 hl=2 l= 0 prim: NULL |
| 13 18:d=1 hl=3 l= 141 prim: BIT STRING |
| 14 -----BEGIN PUBLIC KEY----- |
| 15 MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp1JnY2zQIQRQPz7ybs6mUjHT3 |
| 16 hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA0agnwAjfB/ow4EH+3HEYV52q |
| 17 pxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/cn318EhhQIDAQAB |
| 18 -----END PUBLIC KEY----- |
| 19 |
| 20 |
| 21 $ openssl asn1parse -i < [ALGORITHM] |
| 22 0:d=0 hl=2 l= 10 cons: SEQUENCE |
| 23 2:d=1 hl=2 l= 8 prim: OBJECT :ecdsa-with-SHA256 |
| 24 -----BEGIN ALGORITHM----- |
| 25 MAoGCCqGSM49BAMC |
| 26 -----END ALGORITHM----- |
| 27 |
| 28 |
| 29 -----BEGIN DATA----- |
| 30 MIIB46ADAgECAgkA3l4tFOVii0UwDQYJKoZIhvcNAQELBQAwVjELMAkGA1UEBhMCQVUxEzARBgN |
| 31 VBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1 |
| 32 UEAwwGTXkga2V5MB4XDTE1MDcwMjE3MDYzOVoXDTE2MDcwMTE3MDYzOVowVjELMAkGA1UEBhMCQ |
| 33 VUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0 |
| 34 ZDEPMA0GA1UEAwwGTXkga2V5MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp |
| 35 1JnY2zQIQRQPz7ybs6mUjHT3hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA |
| 36 0agnwAjfB/ow4EH+3HEYV52qpxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/ |
| 37 cn318EhhQIDAQABo1AwTjAdBgNVHQ4EFgQUzQBVKTEknyLndWd2HTsBdTKvyikwHwYDVR0jBBgw |
| 38 FoAUzQBVKTEknyLndWd2HTsBdTKvyikwDAYDVR0TBAUwAwEB/w== |
| 39 -----END DATA----- |
| 40 |
| 41 |
| 42 $ openssl asn1parse -i < [SIGNATURE] |
| 43 0:d=0 hl=3 l= 129 prim: BIT STRING |
| 44 -----BEGIN SIGNATURE----- |
| 45 A4GBADrHSmFSJw/Gv7hs5PNzpaJwAri/sitarIZfzN/SjR+n8L8yeTEoiDb1+BkxlFvXvPHTaOK |
| 46 oO3WlslNNOxh1W5/JkYYGOUkCcyIjnln6qS560imcr3VNjomT/M8M2Iss+rJiKau1TRuaP7H8i6 |
| 47 +Gqf3saGdr8/LnvFAdNQvkalQt |
| 48 -----END SIGNATURE----- |
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