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52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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/******
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GameSpy / GameMaster Utility Code
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Copyright 1998 Critical Mass Communications, LLC.
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Suite E-204
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2900 Bristol Street
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Costa Mesa, CA 92626
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(714)549-7689
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Fax(714)549-0757
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******/
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typedef unsigned char uchar;
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/**********
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gs_encode: This function converts a binary buffer to printable text.
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It uses the base64 algorithm, which expands 3 byte pairs to 4 bytes.
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IN
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--
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ins: a pointer to the buffer of data you want to encode
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size: size of the buffer
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OUT
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---
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result: pointer to buffer to store result. Size should be (4 * size) / 3 + 1
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result will be null terminated.
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**********/
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void gs_encode(uchar* ins, int size, uchar* result);
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/**********
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gs_encrypt: This functions encypts a buffer (in place) with a given
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key. The key is assumed to be a null terminated string.
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NOTE: Encypting the buffer a second time with the same key will
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decrypt it.
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IN
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--
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buffer_ptr: buffer to be encrypted
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buffer_len: size of the buffer
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key: null terminated string containing the key to encode with.
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OUT
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---
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buffer_ptr: buffer, encrypted in place
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**********/
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void gs_encrypt(uchar* key, int key_len, uchar* buffer_ptr, int buffer_len);
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