| OLD | NEW |
| 1 This is the same test as rsa-pkcs1-sha256.pem except the SPKI has been tampered | 1 This is the same test as rsa-pkcs1-sha256.pem except the SPKI has been tampered |
| 2 with. The parameters have been changed from NULL to an INTEGER. | 2 with. The parameters have been changed from NULL to an INTEGER. |
| 3 | 3 |
| 4 This was done by changing: | 4 This was done by changing: |
| 5 | 5 |
| 6 05 00 (NULL) | 6 05 00 (NULL) |
| 7 To: | 7 To: |
| 8 02 00 (INTEGER) | 8 02 00 (INTEGER) |
| 9 | 9 |
| 10 | 10 |
| 11 | |
| 12 -----BEGIN PUBLIC KEY----- | |
| 13 MIGfMA0GCSqGSIb3DQEBAQIAA4GNADCBiQKBgQCqR+B2Mj1irNp1JnY2zQIQRQPz7ybs6mUjHT3 | |
| 14 hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA0agnwAjfB/ow4EH+3HEYV52q | |
| 15 pxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/cn318EhhQIDAQAB | |
| 16 -----END PUBLIC KEY----- | |
| 17 | |
| 18 $ openssl asn1parse -i < [PUBLIC KEY] | 11 $ openssl asn1parse -i < [PUBLIC KEY] |
| 19 0:d=0 hl=3 l= 159 cons: SEQUENCE | 12 0:d=0 hl=3 l= 159 cons: SEQUENCE |
| 20 3:d=1 hl=2 l= 13 cons: SEQUENCE | 13 3:d=1 hl=2 l= 13 cons: SEQUENCE |
| 21 5:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption | 14 5:d=2 hl=2 l= 9 prim: OBJECT :rsaEncryption |
| 22 16:d=2 hl=2 l= 0 prim: INTEGER :00 | 15 16:d=2 hl=2 l= 0 prim: INTEGER :00 |
| 23 18:d=1 hl=3 l= 141 prim: BIT STRING | 16 18:d=1 hl=3 l= 141 prim: BIT STRING |
| 24 | 17 -----BEGIN PUBLIC KEY----- |
| 25 | 18 MIGfMA0GCSqGSIb3DQEBAQIAA4GNADCBiQKBgQCqR+B2Mj1irNp1JnY2zQIQRQPz7ybs6mUjHT3 |
| 26 | 19 hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA0agnwAjfB/ow4EH+3HEYV52q |
| 27 -----BEGIN ALGORITHM----- | 20 pxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/cn318EhhQIDAQAB |
| 28 MA0GCSqGSIb3DQEBCwUA | 21 -----END PUBLIC KEY----- |
| 29 -----END ALGORITHM----- | |
| 30 | 22 |
| 31 $ openssl asn1parse -i < [ALGORITHM] | 23 $ openssl asn1parse -i < [ALGORITHM] |
| 32 0:d=0 hl=2 l= 13 cons: SEQUENCE | 24 0:d=0 hl=2 l= 13 cons: SEQUENCE |
| 33 2:d=1 hl=2 l= 9 prim: OBJECT :sha256WithRSAEncryption | 25 2:d=1 hl=2 l= 9 prim: OBJECT :sha256WithRSAEncryption |
| 34 13:d=1 hl=2 l= 0 prim: NULL | 26 13:d=1 hl=2 l= 0 prim: NULL |
| 35 | 27 -----BEGIN ALGORITHM----- |
| 36 | 28 MA0GCSqGSIb3DQEBCwUA |
| 29 -----END ALGORITHM----- |
| 37 | 30 |
| 38 -----BEGIN DATA----- | 31 -----BEGIN DATA----- |
| 39 MIIB46ADAgECAgkA3l4tFOVii0UwDQYJKoZIhvcNAQELBQAwVjELMAkGA1UEBhMCQVUxEzARBgN | 32 MIIB46ADAgECAgkA3l4tFOVii0UwDQYJKoZIhvcNAQELBQAwVjELMAkGA1UEBhMCQVUxEzARBgN |
| 40 VBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1 | 33 VBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEPMA0GA1 |
| 41 UEAwwGTXkga2V5MB4XDTE1MDcwMjE3MDYzOVoXDTE2MDcwMTE3MDYzOVowVjELMAkGA1UEBhMCQ | 34 UEAwwGTXkga2V5MB4XDTE1MDcwMjE3MDYzOVoXDTE2MDcwMTE3MDYzOVowVjELMAkGA1UEBhMCQ |
| 42 VUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0 | 35 VUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0 |
| 43 ZDEPMA0GA1UEAwwGTXkga2V5MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp | 36 ZDEPMA0GA1UEAwwGTXkga2V5MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqR+B2Mj1irNp |
| 44 1JnY2zQIQRQPz7ybs6mUjHT3hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA | 37 1JnY2zQIQRQPz7ybs6mUjHT3hf5APyaig2u6fBPThqxssgg0YviqIj/70hVK/JXcqP1zgR5AhsA |
| 45 0agnwAjfB/ow4EH+3HEYV52qpxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/ | 38 0agnwAjfB/ow4EH+3HEYV52qpxN98pUxC+1l2hgVtn8xCS/JGyjK+6dv+lZw3ixJoX2RjVtdJ4/ |
| 46 cn318EhhQIDAQABo1AwTjAdBgNVHQ4EFgQUzQBVKTEknyLndWd2HTsBdTKvyikwHwYDVR0jBBgw | 39 cn318EhhQIDAQABo1AwTjAdBgNVHQ4EFgQUzQBVKTEknyLndWd2HTsBdTKvyikwHwYDVR0jBBgw |
| 47 FoAUzQBVKTEknyLndWd2HTsBdTKvyikwDAYDVR0TBAUwAwEB/w== | 40 FoAUzQBVKTEknyLndWd2HTsBdTKvyikwDAYDVR0TBAUwAwEB/w== |
| 48 -----END DATA----- | 41 -----END DATA----- |
| 49 | 42 |
| 50 | 43 $ openssl asn1parse -i < [SIGNATURE] |
| 51 | 44 0:d=0 hl=3 l= 129 prim: BIT STRING |
| 52 -----BEGIN SIGNATURE----- | 45 -----BEGIN SIGNATURE----- |
| 53 A4GBADrHSmFSJw/Gv7hs5PNzpaJwAri/sitarIZfzN/SjR+n8L8yeTEoiDb1+BkxlFvXvPHTaOK | 46 A4GBADrHSmFSJw/Gv7hs5PNzpaJwAri/sitarIZfzN/SjR+n8L8yeTEoiDb1+BkxlFvXvPHTaOK |
| 54 oO3WlslNNOxh1W5/JkYYGOUkCcyIjnln6qS560imcr3VNjomT/M8M2Iss+rJiKau1TRuaP7H8i6 | 47 oO3WlslNNOxh1W5/JkYYGOUkCcyIjnln6qS560imcr3VNjomT/M8M2Iss+rJiKau1TRuaP7H8i6 |
| 55 +Gqf3saGdr8/LnvFAdNQvkalQt | 48 +Gqf3saGdr8/LnvFAdNQvkalQt |
| 56 -----END SIGNATURE----- | 49 -----END SIGNATURE----- |
| 57 | |
| 58 $ openssl asn1parse -i < [SIGNATURE] | |
| 59 0:d=0 hl=3 l= 129 prim: BIT STRING | |
| OLD | NEW |