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(Unicode C) SSH Host Key FingerprintSee more SSH ExamplesDemonstrates how to get the SSH server's host key fingerprint after connecting.
#include <C_CkSshW.h> void ChilkatSample(void) { HCkSshW ssh; const wchar_t *hostname; int port; BOOL success; const wchar_t *md5_fingerprint; BOOL includeKeyType; BOOL includeHashName; const wchar_t *sha256_fingerprint; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. ssh = CkSshW_Create(); hostname = L"ssh.example.com"; port = 22; success = CkSshW_Connect(ssh,hostname,port); if (success != TRUE) { wprintf(L"%s\n",CkSshW_lastErrorText(ssh)); CkSshW_Dispose(ssh); return; } // Get the classic MD5 fingeprint md5_fingerprint = CkSshW_hostKeyFingerprint(ssh); wprintf(L"%s\n",md5_fingerprint); // Sample output: // ssh-rsa 3072 21:b0:d8:41:4e:ef:78:10:20:af:01:b7:71:5d:eb:94 // Starting in Chilkat v9.5.0.92, we can also get the SHA256 fingerprint. // (it is also possible to get fingerprints using other hash algorithms such as SHA384, SHA512, etc.) includeKeyType = TRUE; includeHashName = TRUE; sha256_fingerprint = CkSshW_getHostKeyFP(ssh,L"SHA256",includeKeyType,includeHashName); wprintf(L"%s\n",sha256_fingerprint); // Sample output: // ssh-rsa SHA256:Ufgj480OsdsCZRjj9sSNM6fpgIcSJ61RsIG8usndUIY= // The key type and hash name can be optionally included or not. includeKeyType = FALSE; includeHashName = TRUE; sha256_fingerprint = CkSshW_getHostKeyFP(ssh,L"SHA256",includeKeyType,includeHashName); wprintf(L"%s\n",sha256_fingerprint); // SHA256:Ufgj480OsdsCZRjj9sSNM6fpgIcSJ61RsIG8usndUIY= includeKeyType = TRUE; includeHashName = FALSE; sha256_fingerprint = CkSshW_getHostKeyFP(ssh,L"SHA256",includeKeyType,includeHashName); wprintf(L"%s\n",sha256_fingerprint); // ssh-rsa Ufgj480OsdsCZRjj9sSNM6fpgIcSJ61RsIG8usndUIY= includeKeyType = FALSE; includeHashName = FALSE; sha256_fingerprint = CkSshW_getHostKeyFP(ssh,L"SHA256",includeKeyType,includeHashName); wprintf(L"%s\n",sha256_fingerprint); // Ufgj480OsdsCZRjj9sSNM6fpgIcSJ61RsIG8usndUIY= CkSshW_Dispose(ssh); } |
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