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Merge branch 'main' of https://github.com/billbuchanan/appliedcrypto

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billbuchanan
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unit04_public_key/lab/README.md
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@@ -736,7 +736,7 @@ Did you receive a reply:
## G GitHub Keys
### I.1
### G.1
On your VM, go into the ~/.ssh folder. Now generate your SSH keys:
```

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unit04_public_key/lab/sample_ans.md
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@@ -999,6 +999,38 @@ AES-128-CBC,231906D9476629A1F38BF98A15E72E03
Password: napier
![tc](https://github.com/billbuchanan/esecurity/blob/master/unit04_public_key/lab/tc.png)
# Additional
```python
from Crypto.PublicKey import RSA
from base64 import b64decode
from Crypto.Cipher import PKCS1_OAEP
binPrivKey = "-----BEGIN RSA PRIVATE KEY-----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\HMTjSeRDEU0Qm5UXhXkCQQCPlZJqlgksBN/TULHC4RgsXIx+oFylBrkiFamYsuEt\nKn52h41pX7FI5TXcqIDPw+uqAu50JnwDR0dLYY6fvIce\n-----END RSA PRIVATE KEY-----"
privKeyObj = RSA.importKey(binPrivKey)
pubKeyObj="fIVuuWFLVANs9MjatXbIbtH7/n0dBpDirXKi82jZovXS/krxy43cP0J9jlNz4dqxLgdiqtRe1AcymX06JUo1SrcqDEh3lQxoU1KUvV7jG9GE3pSxHq4dQlcWdHz95b9go6QYbe/5S/uJgolR+S9qaDE8tXYysP8FeXIPd0dXxHo="
ciphertext=b64decode(pubKeyObj)
cipher = PKCS1_OAEP.new(privKeyObj)
message = cipher.decrypt(ciphertext)
print
print ("====Decrypted===")
print ("Message:",message)
```
Sample test run [here](https://replit.com/@billbuchanan/hadditional#main.py).
To give:
```
Message: b'help me...'
```