a typical ssh private key with 4096 bits of encryption. the command to generate such keys is on line one

id_rsa_example

# ssh-keygen -t rsa -b 4096 -f /tmp/id_rsa -C "disposable key"
-----BEGIN OPENSSH PRIVATE KEY-----                                             
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAACFwAAAAdzc2gtcn          
NhAAAAAwEAAQAAAgEA6CVApa/seMAN7yh4yg3hOuRdgmAxbx5qgrE0VZ63/nzKTRZtz3Co          
lpmMg9tvRhQa+RKJRNh4Bs1Gn3gvSlxSzRD+c8C6fpTSdB4hcx7QvnI85FQWLvIIjHPIj3          
yf58xjz212WscwfsDVXyjUaYx6JfnG+Z/JuVG6MwYVPAGpQn5xHkEtfo69LWWx3ohNQrJH          
0M7gUiki+2mi08Jn+fpgXgGJmyLPEI5luy3jlNTmONu9lkA42fLYJyKQHn2jYtaKgyJSyW          
kmfLuJhlBQ3kLP2eJ/UjY5954628ARaLkr3fEF7OVVtnIrZUzlQKCwlGh+4jnPnauoui5P          
vHcgpwpilBKglMo58al6ADtGo5X2ju+/KLcVHRXO8FvrK6OLNZlJ8cQwSAzWWsKNYj4GnA          
F1RUT/3tXXHANQkeLoKF9E/DXchIjJfeKADCR8kbQ2zvzi73weyhhqdDbi3K3s8SEXbOly          
asl8pBQDTumOu6EYNuFd+FxjbapY8q/TWsBktC2Bn8hnO/rK/RpCWQPZKb1+3sWlCVTWFJ          
r1syrWwlpmYLIaOkXfbQEi2UJvNI6SfyKvMFZ9yR/+6cYjqjB44xQ5k6ompM23tGwQngB2          
Hrw753rvYNF21u0vISXV/Hqkm116xi8/2Xj4qtoR9BvZ6q2fFs30gva3qQDbAME4ikNvSt          
EAAAdI9LIybvSyMm4AAAAHc3NoLXJzYQAAAgEA6CVApa/seMAN7yh4yg3hOuRdgmAxbx5q          
grE0VZ63/nzKTRZtz3ColpmMg9tvRhQa+RKJRNh4Bs1Gn3gvSlxSzRD+c8C6fpTSdB4hcx          
7QvnI85FQWLvIIjHPIj3yf58xjz212WscwfsDVXyjUaYx6JfnG+Z/JuVG6MwYVPAGpQn5x          
HkEtfo69LWWx3ohNQrJH0M7gUiki+2mi08Jn+fpgXgGJmyLPEI5luy3jlNTmONu9lkA42f          
LYJyKQHn2jYtaKgyJSyWkmfLuJhlBQ3kLP2eJ/UjY5954628ARaLkr3fEF7OVVtnIrZUzl          
QKCwlGh+4jnPnauoui5PvHcgpwpilBKglMo58al6ADtGo5X2ju+/KLcVHRXO8FvrK6OLNZ          
lJ8cQwSAzWWsKNYj4GnAF1RUT/3tXXHANQkeLoKF9E/DXchIjJfeKADCR8kbQ2zvzi73we          
yhhqdDbi3K3s8SEXbOlyasl8pBQDTumOu6EYNuFd+FxjbapY8q/TWsBktC2Bn8hnO/rK/R          
pCWQPZKb1+3sWlCVTWFJr1syrWwlpmYLIaOkXfbQEi2UJvNI6SfyKvMFZ9yR/+6cYjqjB4          
4xQ5k6ompM23tGwQngB2Hrw753rvYNF21u0vISXV/Hqkm116xi8/2Xj4qtoR9BvZ6q2fFs          
30gva3qQDbAME4ikNvStEAAAADAQABAAACABBAa2IuCrP5XgBcKPicOCRTUGiMK2nIC1TS          
6wMDdYYPXmo/I7jd/i9s2HVyqzuQtMKzFYEIVn7DaCpJ06W1CObqRaX83BF4gbM3WMgiZC          
KxBKpHaLYoo4iRonzJELi9ik8/LoX0Y+S7wzRCO3yYJQT7k35uPUUH/60Kw/nLc/n/uBOS          
JIkznPLMp8MYb7A3oudvVCzsTFKldoy0k2rgqFZsbSG7MhvKnDyaXdBRhzx7xa37GP/JDH          
DQ7p3z1bhZpKDBimInRlZ9GoeYn9CvhLWQMbGjsjMvlJdFvvJB5FxJP0zyUSnQnFEfLP11          
QmdhWWClA2/aUJmYHGTpQhPvmi75Yv2my7OrVR+h5r6p8lt2uDEoSnp0weIbBWOWBIKcZG          
u0AfKk2QKB9XzHU23CITEvT6vhiO2FSn2s7t/SO1wiSQtuUYPPvxvbaWA9C9kh98+09DG5          
r1kJBcgpndwWcnrgzKFg/gQkWgxMT+9+N34SMZAA+4czol7rSLlXBZp3MeecteqrVuDeL5          
u8IhMg9vp74MF65umzW+ydH66st/fVCPdZESMxoeX3cDa2hs43J1XwM3EVcM1u+7cWaoVm          
2F6IDEcFuvrLPgSoDPZmx6qiW5ZrRex2jxcnye3y8bZEwjjgDHxuH/mL5OavFXqF/QlT1H          
Ach+3+sEA6IFt7hSnxAAABAGQ5Zv2Qk5ksbg+TIWhOxBTKN8OSIRhYRhu0H4Lf7byJWnyS          
UsDhcbT0QkegX0utQqU6M70LU1uyn+KIlxhG+UEquA7CzK7l+FK5UuPT2lqB/AdxkedH1U          
NTlxNwuGSECJ5g5OLJ7L3TbZCwAJ745apDY8N/wLFaDW6Gb4daqpI8FjfQTNgx6sUiOwMF          
AEcH5xTryQanQqmc7xSomGFD9wW1/sXGaqXZHrzJm0j2ZmXQ+6MYti803qHfyMQKdDH1nZ          
BCjyC5ebjBnZDwJKxUkIiLh7l1GlNCv+RpceFo4THctlO3FHVAAKKB5KUh4G7bsFymI/Xv          
KIWcUX6FLPkHmdUAAAEBAP+gyOEOcPn2VUeEYnJ6bneAAtS7Y7GaN/cxDhVvZR17OXwyQ3          
vwbm8dDE7qBRv7I+hJ6Ck2CMRFUbhUP0MTVGPNrb5+h6mxUE+qy7EKGVv5gnCCjMO7rSbo          
+u2TikCpuIEfmBqi/38CwuACd1SE5P1G910AWq2/85//XAsPj5cz3TJMyt/U7rp+HKKPpc          
r0CgQueOvC8bQ7aD9gc+AQ2DXli9hXupF2cFES1hhvqmjEogk69HeZLMRY5jB2ok2rgn0c          
ilOG4N6FQFIK1z+8tKKWWDycMvsauwChaBu81xWWGRcA4alTx5pb+XkovGTA6xLXScBD9h          
h2VlG1ZfBdSAsAAAEBAOh7uJ3hCuUJMZc5oUuaLc0UFDmjcnWYjNIeZ+kqSWca0pgGkwdu          
jU3b+/FU/wojkgulC89m4AMBQ8T+xuZzXWf5/IuF/RIIVs7ymiG/OW7dR7rSGi9Zlw5Bru          
W7gsInjH8dziDvOqhMLCgcrqQfd71Ga8OZE3rWAhgbKHWPFu2M/VzhkA8LsbDCHrXGiySk          
h19NMrB5UvvXFfcNMeMWHb5y7iWisEXgNm1VVHz4Yh62RKy1s8ysGzSdkMU4RoCY7TgK0y          
rYov8ab94XciFRz9vLfLROC3qyi7Q10l56VeL7y/3VXzncQeOen5MPRxasqR2qgbIY8UFS          
M5C8MGI2FhMAAAAOZGlzcG9zYWJsZSBrZXkBAgMEBQ==                                    
-----END OPENSSH PRIVATE KEY-----