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RSAES-OAEP OID

This section demonstrates how the BER-encoding of RSA public keys can also be built with the RSAES-OAEP OID.

To build a BER-encoded RSA public key with RSAES_OAEP OID

1. Start with an existing key object.

   Build an RSA public key using a KI such as KI_RSAPublic. Call B_SetKeyInfo() with the key object using KI_RSAPublicOAEPParams to add the OAEP parameters if using parameters other than the default values.

   The default values are:

   • sha1
   • mgf1SHA1
   • pSpecifiedEmpty.

   This provides the key object set with the RSA public key information and the OAEP information.

2. Use KI_RSAPublicOAEP_BER to call B_GetKeyInfo() with the key object.

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