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SILC Toolkit Reference Manual SILC Core Library SILC Authentication Interface SILC Message Interface SILC Channel Interface SILC Command Interface SILC Notify Interface SILC Status Types SILC Modes SILC ID Interface SILC Argument Interface SILC Attributes Interface Packet Protocol Interface SILC Public Key Payload Interface SILC Utility Library Basic Types and Definitions Data Buffer Interface Data Buffer Format Interface Hash Table Interface Memory Allocation Interface Data Stack (memory pool) Interface Finite State Machine Interface Thread Interface Mutual Exclusion Lock Interface Condition Variable Interface Atomic Operations Interface Network (TCP and UDP) Interface Scheduler Interface Asynchronous Operation Interface Abstract Stream Interface Socket Stream Interface File Descriptor Stream Interface File Utility Functions String Utility Interface Snprintf Interface UTF-8 String Interface Stringprep Interface Utility Functions List Interface Dynamic List Interface MIME Interface Time Utility Functions Logging Interface Config File Interface SILC Key Repository Library SILC SKR Interface SILC ASN.1 Library SILC ASN.1 Interface SILC BER interface SILC Client Library Using SILC Client Library Tutorial Arguments for command_reply Client Operation SilcStatus Error Arguments in command_reply Client Operation Arguments for notify Client Operation Unicode and UTF-8 Strings in Client Library Client Library Interface Reference Client Entry Interface Reference SILC Key Exchange Library SILC SKE Interface SILC Connection Authentication Interface SILC VCard Library SILC VCard Interface SILC SFTP Library SILC SFTP Interface SFTP Filesystems Interface SILC HTTP Library SILC HTTP Server Interface SILC HTTP PHP Translator SILC Crypto Library Introduction to SILC RNG SILC RNG Interface SILC Cipher API SILC PKCS API SILC Public Key API SILC PKCS #1 API SILC Hash Interface SILC HMAC Interface SILC Application Utility Library SILC Application Utilities SILC ID Cache Interface SILC Math Library SILC MP Interface SILC Math Interface Resource Links SILC Project Website SILC Protocol Documentation SILC White Paper SILC FAQs
Function silc_hmac_init SYNOPSIS
        void silc_hmac_init(SilcHmac hmac);
DESCRIPTION
        Sometimes calling the silc_hmac_make might not be the most
        optimal case of doing MACs.  If you have a lot of different data
        that you need to put together for computing a MAC you may either
        put them into a buffer and compute the MAC from the buffer by
        calling the silc_hmac_make, or you can use the silc_hmac_init,
        silc_hmac_update and silc_hmac_final to do the MAC.  This function
        prepares the allocated HMAC context for this kind of MAC
        computation.  The caller must have been called the function
        silc_hmac_set_key before calling this function.  To add the
        data to be used in the MAC computation call the silc_hmac_update
        function.
SILC HMAC Interface SilcHmac SilcHmacObject silc_hmac_register silc_hmac_unregister silc_hmac_register_default silc_hmac_unregister_all silc_hmac_alloc silc_hmac_free silc_hmac_is_supported silc_hmac_get_supported silc_hmac_len silc_hmac_get_hash silc_hmac_get_name silc_hmac_set_key silc_hmac_get_key silc_hmac_make silc_hmac_make_with_key silc_hmac_make_truncated silc_hmac_init silc_hmac_init_with_key silc_hmac_update silc_hmac_final

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