xref: /freebsd/crypto/krb5/doc/html/_sources/appdev/refs/api/krb5_c_derive_prfplus.rst.txt (revision 7f2fe78b9dd5f51c821d771b63d2e096f6fd49e9)
1krb5_c_derive_prfplus -  Derive a key using some input data (via RFC 6113 PRF+).
2=================================================================================
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6.. c:function:: krb5_error_code krb5_c_derive_prfplus(krb5_context context, const krb5_keyblock * k, const krb5_data * input, krb5_enctype enctype, krb5_keyblock ** out)
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11:param:
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13	          **[in]** **context** - Library context
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15	          **[in]** **k** - KDC contribution key
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17	          **[in]** **input** - Input string
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19	          **[in]** **enctype** - Output key enctype (or **ENCTYPE_NULL** )
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21	          **[out]** **out** - Derived keyblock
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36This function uses PRF+ as defined in RFC 6113 to derive a key from another key and an input string. If *enctype* is **ENCTYPE_NULL** , the output key will have the same enctype as the input key.
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