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89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* radare - LGPL - Copyright 2009 pancake<nopcode.org> */
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#include "r_hash.h"
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#include "md5.h"
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#include "sha1.h"
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#include "sha2.h"
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// TODO: to be moved to r_hash_internal.h
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void mdfour(ut8 *out, const ut8 *in, int n);
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#define CHKFLAG(f,x) if (f==0||f&x)
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R_API struct r_hash_t *r_hash_new(int rst, int flags)
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{
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RHash *ctx;
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ctx = R_NEW (RHash);
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if (ctx) {
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CHKFLAG(flags,R_HASH_MD5) MD5Init(&ctx->md5);
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CHKFLAG(flags,R_HASH_SHA1) SHA1_Init(&ctx->sha1);
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CHKFLAG(flags,R_HASH_SHA256) SHA256_Init(&ctx->sha256);
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CHKFLAG(flags,R_HASH_SHA384) SHA384_Init(&ctx->sha384);
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CHKFLAG(flags,R_HASH_SHA512) SHA512_Init(&ctx->sha512);
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ctx->rst = rst;
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}
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return ctx;
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}
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R_API void r_hash_free(struct r_hash_t *ctx)
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{
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free(ctx);
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}
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R_API const ut8 *r_hash_do_md5(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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if (ctx->rst)
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MD5Init(&ctx->md5);
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MD5Update(&ctx->md5, input, len);
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if (ctx->rst || len == 0)
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MD5Final(&ctx->digest, &ctx->md5);
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return ctx->digest;
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}
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R_API const ut8 *r_hash_do_sha1(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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if (ctx->rst)
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SHA1_Init(&ctx->sha1);
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SHA1_Update(&ctx->sha1, input, len);
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if (ctx->rst || len == 0)
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SHA1_Final(ctx->digest, &ctx->sha1);
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return ctx->digest;
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}
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R_API const ut8 *r_hash_do_md4(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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mdfour(ctx->digest, input, len);
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return ctx->digest;
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}
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R_API const ut8 *r_hash_do_sha256(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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if (ctx->rst)
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SHA256_Init(&ctx->sha256);
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SHA256_Update(&ctx->sha256, input, len);
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if (ctx->rst || len == 0)
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SHA256_Final(ctx->digest, &ctx->sha256);
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return ctx->digest;
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}
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R_API const ut8 *r_hash_do_sha384(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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if (ctx->rst)
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SHA384_Init(&ctx->sha384);
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SHA384_Update(&ctx->sha384, input, len);
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if (ctx->rst || len == 0)
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SHA384_Final(ctx->digest, &ctx->sha384);
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return ctx->digest;
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}
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R_API const ut8 *r_hash_do_sha512(struct r_hash_t *ctx, const ut8 *input, ut32 len)
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{
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if (ctx->rst)
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SHA512_Init(&ctx->sha512);
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SHA512_Update(&ctx->sha512, input, len);
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if (ctx->rst || len == 0)
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SHA512_Final(ctx->digest, &ctx->sha512);
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return ctx->digest;
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}
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