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144 lines
3.6 KiB
C
144 lines
3.6 KiB
C
#ifndef R2_HASH_H
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#define R2_HASH_H
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#include "r_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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R_LIB_VERSION_HEADER (r_hash);
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/* hashing */
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typedef struct {
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ut32 state[4];
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ut32 count[2];
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ut8 buffer[64];
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} R_MD5_CTX;
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typedef struct {
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ut32 H[5];
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ut32 W[80];
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int lenW;
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ut32 sizeHi, sizeLo;
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} R_SHA_CTX;
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#define SHA256_BLOCK_LENGTH 64
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typedef struct _SHA256_CTX {
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ut32 state[8];
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ut64 bitcount;
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ut8 buffer[SHA256_BLOCK_LENGTH];
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} R_SHA256_CTX;
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#define SHA384_BLOCK_LENGTH 128
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#define SHA512_BLOCK_LENGTH 128
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typedef struct _SHA512_CTX {
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ut64 state[8];
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ut64 bitcount[2];
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ut8 buffer[SHA512_BLOCK_LENGTH];
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} R_SHA512_CTX;
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typedef R_SHA512_CTX R_SHA384_CTX;
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/* Fix names conflict with ruby bindings */
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#define RHash struct r_hash_t
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struct r_hash_t {
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R_MD5_CTX md5;
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R_SHA_CTX sha1;
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R_SHA256_CTX sha256;
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R_SHA384_CTX sha384;
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R_SHA512_CTX sha512;
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int rst;
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ut8 digest[128];
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};
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typedef struct r_hash_seed_t {
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int prefix;
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ut8 *buf;
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int len;
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} RHashSeed;
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#define R_HASH_SIZE_CRC16 2
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#define R_HASH_SIZE_CRC32 4
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#define R_HASH_SIZE_XXHASH 4
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#define R_HASH_SIZE_MD4 16
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#define R_HASH_SIZE_MD5 16
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#define R_HASH_SIZE_SHA1 20
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#define R_HASH_SIZE_SHA256 32
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#define R_HASH_SIZE_SHA384 48
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#define R_HASH_SIZE_SHA512 64
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#define R_HASH_SIZE_ADLER32 4
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#define R_HASH_NONE 0
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#define R_HASH_MD5 1
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#define R_HASH_SHA1 2
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#define R_HASH_SHA256 4
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#define R_HASH_SHA384 8
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#define R_HASH_SHA512 16
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#define R_HASH_CRC16 32
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#define R_HASH_CRC32 64
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#define R_HASH_MD4 128
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#define R_HASH_XOR 256
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#define R_HASH_XORPAIR 512
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#define R_HASH_PARITY 1024
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#define R_HASH_ENTROPY 2048
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#define R_HASH_HAMDIST 4096
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#define R_HASH_PCPRINT 8192
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#define R_HASH_MOD255 16384
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#define R_HASH_XXHASH 32768
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#define R_HASH_ADLER32 65536
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#define R_HASH_ALL 0xFFFF
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#ifdef R_API
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/* OO */
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R_API RHash *r_hash_new(int rst, int flags);
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R_API void r_hash_free(RHash *ctx);
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/* methods */
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R_API ut8 *r_hash_do_md4(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_md5(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_sha1(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_sha256(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_sha384(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_sha512(RHash *ctx, const ut8 *input, int len);
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R_API ut8 *r_hash_do_xxhash(RHash *ctx, const ut8 *input, int len);
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R_API char *r_hash_to_string(RHash *ctx, const char *name, const ut8 *data, int len);
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/* static methods */
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R_API const char *r_hash_name(ut64 bit);
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R_API ut64 r_hash_name_to_bits(const char *name);
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R_API int r_hash_size(ut64 bit);
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R_API int r_hash_calculate(RHash *ctx, ut64 algobit, const ut8 *input, int len);
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/* checksums */
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/* XXX : crc16 should use 0 as arg0 by default */
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/* static methods */
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R_API ut8 r_hash_deviation(const ut8 *b, ut64 len);
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R_API ut16 r_hash_crc16(ut16 crc, const ut8 *buffer, ut64 len);
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R_API ut32 r_hash_crc32(const ut8 *buf, ut64 len);
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R_API ut32 r_hash_adler32(const ut8 *buf, int len);
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R_API ut32 r_hash_xxhash(const ut8 *buf, ut64 len);
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R_API ut8 r_hash_xor(const ut8 *b, ut64 len);
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R_API ut16 r_hash_xorpair(const ut8 *a, ut64 len);
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R_API int r_hash_parity(const ut8 *buf, ut64 len);
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R_API ut8 r_hash_mod255(const ut8 *b, ut64 len);
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/* analysis */
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R_API ut8 r_hash_hamdist(const ut8 *buf, int len);
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R_API double r_hash_entropy(const ut8 *data, ut64 len);
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R_API double r_hash_entropy_fraction(const ut8 *data, ut64 len);
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R_API int r_hash_pcprint(const ut8 *buffer, ut64 len);
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/* lifecycle */
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R_API void r_hash_do_begin(RHash *ctx, int flags);
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R_API void r_hash_do_end(RHash *ctx, int flags);
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R_API void r_hash_do_spice(RHash *ctx, int algo, int loops, RHashSeed *seed);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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