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krb5_c_prf - Generate enctype-specific pseudo-random bytes.
=============================================================
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.. c:function:: krb5_error_code krb5_c_prf(krb5_context context, const krb5_keyblock * keyblock, krb5_data * input, krb5_data * output)
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:param:
**[in]** **context** - Library context
**[in]** **keyblock** - Key
**[in]** **input** - Input data
**[out]** **output** - Output data
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:retval:
- 0 Success; otherwise - Kerberos error codes
..
This function selects a pseudo-random function based on *keyblock* and computes its value over *input* , placing the result into *output* . The caller must preinitialize *output* and allocate space for the result, using :c:func:`krb5_c_prf_length()` to determine the required length.
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