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- S-des Key Generation Code In C 2b 2b 3
- S-des Key Generation Code In C 2b 2b 1b
- S-des Key Generation Code In C 2b 2b 1
The following example creates a named key container and adds a signature key pair and an exchange key pair to the container. This example can be run without problem even if the named key container and cryptographic keys already exist.
Note
An application should not use the default key container to store private keys. When multiple applications use the same container, one application may change or destroy the keys that another application needs to have available. It is recommended that applications use key containers that are linked to the application. Doing so reduces the risk of other applications tampering with keys that are necessary for an application to function properly.
From this key, two 8-bit subkeys are produced for use in particular stages of the encryption and decryption algorithm. There are two customer-defined methods using DES, Encrypt and Decrypt, both receive a string and return another string. Use it if you don't have any key to use.
- Des Key Generation Code In C 10 Source Code In C Des Key Generation Code In C D Step6: As we know S-DES has two round and for that we also need two keys, one key we generate in the above steps (step 1 to step 5).
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This example demonstrates the following tasks and CryptoAPI functions:
- It attempts to acquire the named key container. If the named key container does not already exist, it is created.
- If a signature key pair does not exist in the key container, it creates a signature key pair within the key container.
- If an exchange key pair does not exist in the key container, it creates an exchange key pair within the key container.
S-des Key Generation Code In C 2b 2b 3
These operations only need to be performed once for each user on each computer. If the named key container and key pairs have already been created, this sample performs no operations.
S-des Key Generation Code In C 2b 2b 1b
This example uses the following CryptoAPI functions:
S-des Key Generation Code In C 2b 2b 1
This example uses the function MyHandleError. The code for this function is included with the sample. Code for this and other auxiliary functions is also listed under General Purpose Functions.