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Examples
========================================
DSA Examples
----------------------------------------
DSA Signature Generation
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Reads a DSA private key and signs the specified file using SHA-1
.. literalinclude:: examples/dsa_sign.cpp
DSA Signature Verification
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Reads a DSA public key and a signature, and checks if the signature
is valid for the specified file
..literalinclude:: examples/dsa_ver.cpp
X.509 Certificate Examples
----------------------------------------
PKCS #10 Certificate Requests
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. literalinclude:: examples/pkcs10.cpp
Self Signed Certificate
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Generate a 2048 bit RSA key, and then create a self-signed X.509v3
certificate with that key. If the do_CA variable is set to true, then
it will be marked for CA use, otherwise it will get extensions
appropriate for use with a client certificate. The private key is
stored as an encrypted PKCS #8 object in another file.
.. literalinclude:: examples/self_sig.cpp
Certificate Authority
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Implement the functionality of a simple CA: read in a CA certificate,
the associated private key, and a PKCS #10 certificate request. Sign
the request and print the new certificate to stdout.
File names are hardcoded for simplicity. The CA certificate is
expected in "cacert.pem", the private key is expected in
"caprivate.pem", and "req.pem" is a PKCS #10 certificate request.
.. literalinclude:: examples/ca.cpp
Format Preserving Encryption
----------------------------------------
Format preserving encryption is a way of mapping data with an
arbitrarly specified format such that the ciphertext has the same
formatting. This example encrypts a credit card number with a valid
`Luhn checksum <http://en.wikipedia.org/wiki/Luhn_algorithm>`_ to
another number with the same format, including a correct checksum.
.. literalinclude:: examples/fpe.cpp
ASN.1 Parsing
----------------------------------------
This example is a simple ASN.1 parser
.. literalinclude:: examples/asn1.cpp
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