| The key and signature were generated with OpenSSL. |
| It uses an RSA key with modulus length of 1024 bits, PSS padding, |
| SHA-256 as the digest, MGF1 with SHA-256, and salt length of 10. |
| |
| The key was generated with: |
| |
| $ openssl genrsa -out key.pem 2048 |
| -----BEGIN RSA PRIVATE KEY----- |
| MIIEpAIBAAKCAQEAn56hwS55y9JG5gXkTQLXm/Q4HSJdP/kECgztMMQtqgiv+QdL |
| 0J5M7bQNbUK7ZhZt5pES5T0HjJcIENBvhXFzUZ3rBOMp4yESFLWoSL0quL0DAaRX |
| /ZuZqT+Ow6LPdkwlv1JpKh03ylqxCGbw1bIFIEsFrp6QDndSPVI1ifd2QfYe+fdR |
| QuF8emaGu50OKRSgziQB50JHKD0zRsh1cgUcQTyGUiFj2ndFXw1APzylU2+ouYur |
| mN3ZCrvcP2J/qgQdAzDYRQ/bq/v7LNYQc+Gud+EIzE3+9spybnWRi2aLrnGwwBCZ |
| s/bqc66waK0pzH8z/mDwbB2ZSIal6ARF0iWUXQIDAQABAoIBAHKu+AsjiFDgSR5V |
| 111ZkG41vud33EXtdXB/LyAdo62KRl0HV/qQ8jbLaeY5zwkfTmEdlNTtz3G8xgfG |
| qonXJILckpJVYLAW/7WvezSf7YUEEJfqa2oElRfcWYfIf4TAW1KmNHcUvRP/qzid |
| NaZkHHjCTlfTBy/NnWH/ogX5rZbfy1mqfBkGCsBAKrIp8OxIdc2gvy7fzjmOc9Bj |
| wSIswqGWu5YCeJ5S6tQ3PCYwb9A/gJS4/DMz2Mq0wj1r0dn9xVtMcQZRrG3JsvHt |
| Q4ImTXE3gTDS1gw8a0iB1UHlnOuq19O74ImupndpbpS2AZ3r8/GB2hGc+p3RXV+D |
| 2MdlVEUCgYEA0h1yM5qJcAQQH5xFXK/eFF3DHeQNl10ugqiq8dF1+uFVodNhu/ZI |
| OGddhgxSrYDy7ryoZLGnZxcgrdxsfgfIHFOIp8sn9DO6wxfNQEBMGrWAXlgM+0js |
| EZ5FG/hHsZycM5/LXAncXmPDacu5AJ0UFv84iFahSsmaPR/FB3SdiO8CgYEAwno5 |
| eywaSdo2AWu/QeCtfN+Db9CmStjhHJY5NidppoeLcKwO5Jlh1DqbYvE38+SmUCeq |
| nZoXmj2EBsHU8xHY7U8pS0JHW8Uj+Ii6KxzMx1cdyUXy9bCmVVj4wtfaQIHdYruj |
| T7eD31NZ/sQHplsVT7EdTprVFPys7GPgy321/3MCgYEAxS25BFBb9fD6KJAAT7ED |
| Gd27w4tGbeuWQCuE8JX+v8dDEzBJoZjHwZbPH4Lk+8ntMLl+1bAaRxZfJomajtNC |
| qcKCleSCxBrfg0IM7eTpBo+Zve+njxGp6Aa9GDhxH26274Nf1imy0imRMvFp1feS |
| 6Nnt9ZRGnOaAhigQQKThSaUCgYBVS9Y6N7Wv/o0BQoi4FBsDUeUL/a9x1H2nVBvz |
| rIWiDIEUAeLmUH+f3bSZSMMJrZdkQIGMbjE77Q8jB5Cmq4VBUB8EayVxEp4cO5ur |
| nQ4TwBnIVW2iZMAPXt58Vr/a2xqGW1XdeNfV83DdVI0mYXyPX1dDSpV6hvgxFf1a |
| QuC4EQKBgQCtapB1LkCJ0ro6BDK1uxyMd4/uJWR2Ke6vZD1P+MgUDCbIwBCecick |
| WUzTx9Uc8ZfRH8s3JAMz6f8XpJoxvwFVpDqOB5X1y/8TNo5kEooQB1BnwLPL169O |
| Pqi9SE06v7syvuXBbFRQFOxmGvK7jYi0G1VGuc7OcjDw9SRGENtTKQ== |
| -----END RSA PRIVATE KEY----- |
| |
| The public key in SPKI form: |
| $ openssl pkey -in key.pem -pubout |
| -----BEGIN PUBLIC KEY----- |
| MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn56hwS55y9JG5gXkTQLX |
| m/Q4HSJdP/kECgztMMQtqgiv+QdL0J5M7bQNbUK7ZhZt5pES5T0HjJcIENBvhXFz |
| UZ3rBOMp4yESFLWoSL0quL0DAaRX/ZuZqT+Ow6LPdkwlv1JpKh03ylqxCGbw1bIF |
| IEsFrp6QDndSPVI1ifd2QfYe+fdRQuF8emaGu50OKRSgziQB50JHKD0zRsh1cgUc |
| QTyGUiFj2ndFXw1APzylU2+ouYurmN3ZCrvcP2J/qgQdAzDYRQ/bq/v7LNYQc+Gu |
| d+EIzE3+9spybnWRi2aLrnGwwBCZs/bqc66waK0pzH8z/mDwbB2ZSIal6ARF0iWU |
| XQIDAQAB |
| -----END PUBLIC KEY----- |
| |
| The signing algorithm: |
| |
| $ openssl asn1parse -i < [ALGORITHM] |
| 0:d=0 hl=2 l= 65 cons: SEQUENCE |
| 2:d=1 hl=2 l= 9 prim: OBJECT :rsassaPss |
| 13:d=1 hl=2 l= 52 cons: SEQUENCE |
| 15:d=2 hl=2 l= 15 cons: cont [ 0 ] |
| 17:d=3 hl=2 l= 13 cons: SEQUENCE |
| 19:d=4 hl=2 l= 9 prim: OBJECT :sha256 |
| 30:d=4 hl=2 l= 0 prim: NULL |
| 32:d=2 hl=2 l= 28 cons: cont [ 1 ] |
| 34:d=3 hl=2 l= 26 cons: SEQUENCE |
| 36:d=4 hl=2 l= 9 prim: OBJECT :mgf1 |
| 47:d=4 hl=2 l= 13 cons: SEQUENCE |
| 49:d=5 hl=2 l= 9 prim: OBJECT :sha256 |
| 60:d=5 hl=2 l= 0 prim: NULL |
| 62:d=2 hl=2 l= 3 cons: cont [ 2 ] |
| 64:d=3 hl=2 l= 1 prim: INTEGER :20 |
| -----BEGIN ALGORITHM----- |
| MEEGCSqGSIb3DQEBCjA0oA8wDQYJYIZIAWUDBAIBBQChHDAaBgkqhkiG9w0BAQgw |
| DQYJYIZIAWUDBAIBBQCiAwIBIA== |
| -----END ALGORITHM----- |
| |
| -----BEGIN DATA----- |
| x/UnD8pyX5vRn1GajXzKPMXAeQJAKfO65RD5sCFA/iOJCOT2wY8HqJxofIaEZpsfHbK6+SUaPIK |
| frMtJMIThbsnijViGgHSl1iIWZ91uUo0W/iyfPbTPr2xNzoyEOa84zqqqnOLsrnvI9KWlXjv5bf |
| nNV1xPnLMnlRuM3+QIcWg= |
| -----END DATA----- |
| |
| The signature was generated with: |
| $ openssl dgst -sign key.pem -sha256 -sigopt rsa_padding_mode:pss \ |
| -sigopt rsa_pss_saltlen:32 < [DATA] > [SIGNATURE] |
| |
| Then the signature was wrapped in a BIT STRING. |
| |
| $ openssl asn1parse -i < [SIGNATURE] |
| 0:d=0 hl=4 l= 257 prim: BIT STRING |
| -----BEGIN SIGNATURE----- |
| A4IBAQAhgPL8PV86dM9W4p1s7IWu8+9oXpPnFgutfKffNrPRny+7zUmJFER/JUDB |
| 7gnb4qiDRqKftRIpizyrZb0M4Vrhq1CyINHM1anqinZESRy8npVvhrYv4QiHZnYX |
| vXtDjgBg3Rw2DufTOKgxs+nX8a050aHsuMulTRCwR6NuHkChJlJfg6p0b1losgcL |
| jKlu7EqTUUkY7Mt0WyCobxIKGbgrSVJsjV8La6rPh3LpA3d9i0Ik1HkyM1w+7utn |
| h2eT/FKO8W1BtB8haiyuhatuZ1c/2uttLBSZa8hK/2W4YuomUEoWz8JIP9xXQkoq |
| u0P2zB7MXW5jPJwpUX0fKXqFNSry |
| -----END SIGNATURE----- |
