B.1 OpenSecureChannel Request example message (ECC-nistP256)
| To be signed | MessageHeader | MessageType | 4f 50 4e |
| IsFinal | 46 | ||
| MessageSize | 16 03 00 00 | ||
| SecureChannelId | 00 00 00 00 | ||
| SecurityHeader | SecurityPolicyUri | 37 00 00 00 68 74 74 70 3a 2f 2f 6f 70 63 66 6f 75 6e 64 61 74 69 6f 6e 2e 6f 72 67 2f 55 41 2f 53 65 63 75 72 69 74 79 50 6f 6c 69 63 79 23 45 43 43 5f 6e 69 73 74 50 32 35 36 | |
| SenderCertificate | f6 01 00 00 30 82 01 f2 … 494 bytes skipped … 86 f3 20 fb | ||
| ReceiverCertificate Thumbprint | 14 00 00 00 cd d2 e6 82 92 1b b3 9b 5c 8e 07 f8 5d 74 b6 1b d1 a3 f4 6b | ||
| SequenceHeader | SequenceNumber | 01 00 00 00 | |
| RequestId | 05 00 00 00 | ||
| OPNRequest | RequestHeader | 01 00 be 01 00 00 92 18 41 c8 57 f2 db 01 00 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | |
| SecurityMode | 03 00 00 00 | ||
| ClientNonce (ECDHE public key) | 40 00 00 00 9d 5c 32 2f 37 b4 8c 29 16 ae 10 f5 e1 cd ba 09 70 48 5d 2b 6d 26 10 22 92 22 32 7c 55 db 63 c6 9a 00 6a ac 90 d0 55 07 16 c3 68 fe 5e 8b e8 cb 83 59 a3 c6 41 58 81 69 1b f2 cc c4 35 7f 57 0e | ||
| RequestedLifetime | c0 27 09 00 | ||
| Signature | 9b a3 ea f1 40 1c 80 69 8f c6 0a 8c ed fd b8 ff c0 e3 b9 28 0e 55 8a 54 09 ba 29 de 71 80 17 b9 e9 f7 30 9b 65 36 9b a3 c8 ae ac 00 b2 87 f7 be d9 90 0f 4b 49 1d 81 e5 dc 91 a4 8a 16 70 d7 39 | ||