alexhudson
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/* (C) 2007 Alex Hudson
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* Bongo Project licensing applies to this file, see COPYING
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*/
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#ifndef XPLHASH_H
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#define XPLHASH_H
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#include <gcrypt.h>
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/** \enum xpl_hash_type
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* Which hash algorithm to use.
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*/
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typedef enum {
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XPLHASH_MD5 = GCRY_MD_MD5, ///< Use the MD5 algorithm
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XPLHASH_SHA1 = GCRY_MD_SHA1, ///< Use the SHA1 algorithm
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} xpl_hash_type;
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/** \enum xpl_hash_stringcase
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* How to encode the output hash in string form.
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*/
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typedef enum {
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XPLHASH_UPPERCASE, ///< Use upper-case letters
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XPLHASH_LOWERCASE, ///< Use lower-case letters
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} xpl_hash_stringcase;
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///< \internal
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typedef struct _xpl_hash_context {
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gcry_md_hd_t gcrypt_context;
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xpl_hash_type type;
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size_t buffer_size;
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} xpl_hash_context;
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#define XPLHASH_MD5BYTES_LENGTH 16
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#define XPLHASH_SHA1BYTES_LENGTH 20
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#define XPLHASH_MD5_LENGTH (16*2)+1
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#define XPLHASH_SHA1_LENGTH (20*2)+1
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void XplInit(void);
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void XplHashInit(void);
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void XplHashNew(xpl_hash_context *ctx, xpl_hash_type type);
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void XplHashWrite(xpl_hash_context *context, const void *buffer, size_t length);
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void XplHashFinalBytes(xpl_hash_context *context, unsigned char *buffer, size_t length);
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void XplHashFinal(xpl_hash_context *context, xpl_hash_stringcase strcase, unsigned char *buffer, size_t length);
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void XplRandomData(void *buffer, size_t length);
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void XplSaveRandomSeed(void);
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#endif // XPLHASH_H
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