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Write a php code for generating public key and private key
Write a php code for generating public key and private key and enrcrypt data using public key and decrypt using private key
Write a php code for generating public key and private key on page one and on page two encrypt data through input by user of public key and on page three decrypt data by uploading private key
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| Write a php code for generating public key and private key on page one and on page two encrypt data through input by user of public key and on page three decrypt data by uploading private key | |
| <?php | |
| // Get the private key from the file | |
| $privateKeyStr = file_get_contents("private_key.pem"); | |
| // Get the encrypted data from the file | |
| $encryptedData = file_get_contents("encrypted_data.bin"); | |
| // Decrypt the data using the private key | |
| openssl_private_decrypt($encryptedData, $decryptedData, $privateKeyStr); | |
| // Output the decrypted data | |
| echo "Decrypted Data: " . $decryptedData . "\n"; | |
| ?> |
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| Write a php code for generating public key and private key on page one and on page two encrypt data through input by user of public key and on page three decrypt data by uploading private key | |
| <?php | |
| // Get the public key from the file | |
| $publicKey = file_get_contents("public_key.pem"); | |
| // Data to encrypt | |
| $data = $_POST["data"]; | |
| // Encrypt the data using the public key | |
| openssl_public_encrypt($data, $encryptedData, $publicKey); | |
| // Save the encrypted data to a file | |
| file_put_contents("encrypted_data.bin", $encryptedData); | |
| ?> |
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| Write a php code for generating public key and private key and enrcrypt data using public key and decrypt using private key | |
| ---------------------------------- | |
| <?php | |
| // Generate a new private key | |
| $privateKey = openssl_pkey_new(array( | |
| "private_key_bits" => 2048, | |
| "private_key_type" => OPENSSL_KEYTYPE_RSA, | |
| )); | |
| // Extract the private key from $privateKey to $privateKeyStr | |
| openssl_pkey_export($privateKey, $privateKeyStr); | |
| // Generate a new public key | |
| $publicKey = openssl_pkey_get_details($privateKey)["key"]; | |
| // Data to encrypt | |
| $data = "secret message"; | |
| // Encrypt the data using the public key | |
| openssl_public_encrypt($data, $encryptedData, $publicKey); | |
| // Decrypt the data using the private key | |
| openssl_private_decrypt($encryptedData, $decryptedData, $privateKeyStr); | |
| // Output the original data and the decrypted data | |
| echo "Original Data: " . $data . "\n"; | |
| echo "Decrypted Data: " . $decryptedData . "\n"; | |
| ?> |
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| Write a php code for generating public key and private key | |
| ---------------------------------- | |
| <?php | |
| // Generate a new private key | |
| $privateKey = openssl_pkey_new(array( | |
| "private_key_bits" => 2048, | |
| "private_key_type" => OPENSSL_KEYTYPE_RSA, | |
| )); | |
| // Extract the private key from $privateKey to $privateKeyStr | |
| openssl_pkey_export($privateKey, $privateKeyStr); | |
| // Generate a new public key | |
| $publicKey = openssl_pkey_get_details($privateKey)["key"]; | |
| // Use $privateKeyStr and $publicKey as needed | |
| ?> |
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| Write a php code for generating public key and private key on page one and on page two encrypt data through input by user of public key and on page three decrypt data by uploading private key |
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