RSA Verify Refactor

1. If the signature to verify is short, pad it to the key length with leading zeros. Some implementations of SSH will prune leading zeros from an mpint value as a string for the signature. 2. Change some of the GetSize() and play with pointers to using GetStringRef() or GetMpint(). 3. Added an RSA private key for testing with PuTTY client.
wolfSSL · Jun 5, 2024 · 12b0a43 · 12b0a43
1 parent b6ccb07
commit 12b0a43
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Showing 4 changed files with 194 additions and 179 deletions.
diff --git a/keys/putty_rsa.ppk b/keys/putty_rsa.ppk
@@ -0,0 +1,26 @@
+PuTTY-User-Key-File-3: ssh-rsa
+Encryption: none
+Comment: rsa-key-20240604
+Public-Lines: 6
+AAAAB3NzaC1yc2EAAAADAQABAAABAQDEbENolVsJ9W/mfKF1G+j/xKiL0g+BhVLH
+JP3fOYpXRur5x5kdselmlnklpnzqxQcp+5uv89XfqhILDMNJRhffIKvOYa2AHdEg
+ML/FjtLwgiruM6sCA+NZ1MbBHRUqzsPdMlEqZp0kMBpldtUgcwNoyT3TD0zxPNk7
+ZaVl5KTZi3c5KBr11SpT5HsxPLRGN0XwjEZpxu6nfPAdg4R1/rW1vJDHJfU/ZvJb
+GcJvDls5OWvFMbaGzhq/JgWmrSRYjYlKpNBnGpvCm61ZbABBoUVyWUGbNgWjeVjw
+apW/Ycw9Mb9+u3jVtFPquU3loMXDyXGslclhwH/k8pJjt+g7jAN1
+Private-Lines: 14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+Private-MAC: 8eead3c876b6feb64a80d9d7573ffc1ab89bb272091a38fe85c962d47400c7cb
diff --git a/keys/putty_rsa.pub b/keys/putty_rsa.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDEbENolVsJ9W/mfKF1G+j/xKiL0g+BhVLHJP3fOYpXRur5x5kdselmlnklpnzqxQcp+5uv89XfqhILDMNJRhffIKvOYa2AHdEgML/FjtLwgiruM6sCA+NZ1MbBHRUqzsPdMlEqZp0kMBpldtUgcwNoyT3TD0zxPNk7ZaVl5KTZi3c5KBr11SpT5HsxPLRGN0XwjEZpxu6nfPAdg4R1/rW1vJDHJfU/ZvJbGcJvDls5OWvFMbaGzhq/JgWmrSRYjYlKpNBnGpvCm61ZbABBoUVyWUGbNgWjeVjwapW/Ycw9Mb9+u3jVtFPquU3loMXDyXGslclhwH/k8pJjt+g7jAN1 rsa-key-20240604
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		ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDEbENolVsJ9W/mfKF1G+j/xKiL0g+BhVLHJP3fOYpXRur5x5kdselmlnklpnzqxQcp+5uv89XfqhILDMNJRhffIKvOYa2AHdEgML/FjtLwgiruM6sCA+NZ1MbBHRUqzsPdMlEqZp0kMBpldtUgcwNoyT3TD0zxPNk7ZaVl5KTZi3c5KBr11SpT5HsxPLRGN0XwjEZpxu6nfPAdg4R1/rW1vJDHJfU/ZvJbGcJvDls5OWvFMbaGzhq/JgWmrSRYjYlKpNBnGpvCm61ZbABBoUVyWUGbNgWjeVjwapW/Ycw9Mb9+u3jVtFPquU3loMXDyXGslclhwH/k8pJjt+g7jAN1 rsa-key-20240604