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101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* radare - LGPL - Copyright 2009-2013 pancake<nopcode.org> */
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// TODO: use ptr tablez here
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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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R_API 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 RHash *r_hash_new(int rst, int flags) {
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RHash *ctx = R_NEW (RHash);
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if (ctx) {
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r_hash_do_begin (ctx, flags);
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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_do_begin(RHash *ctx, int flags) {
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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 = 0;
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}
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R_API void r_hash_do_end(RHash *ctx, int flags) {
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CHKFLAG (flags, R_HASH_MD5) MD5Final (ctx->digest, &ctx->md5);
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CHKFLAG (flags, R_HASH_SHA1) SHA1_Final (ctx->digest, &ctx->sha1);
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CHKFLAG (flags, R_HASH_SHA256) SHA256_Final (ctx->digest, &ctx->sha256);
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CHKFLAG (flags, R_HASH_SHA384) SHA384_Final (ctx->digest, &ctx->sha384);
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CHKFLAG (flags, R_HASH_SHA512) SHA512_Final (ctx->digest, &ctx->sha512);
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ctx->rst = 1;
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}
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R_API void r_hash_free(RHash *ctx) {
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free (ctx);
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}
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R_API ut8 *r_hash_do_md5(RHash *ctx, const ut8 *input, int len) {
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if (len<0)
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return NULL;
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if (ctx->rst)
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MD5Init (&ctx->md5);
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if (len>0)
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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 ut8 *r_hash_do_sha1(RHash *ctx, const ut8 *input, int len) {
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if (len<0)
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return NULL;
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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 ut8 *r_hash_do_md4(RHash *ctx, const ut8 *input, int len) {
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if (len<0) return NULL;
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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 ut8 *r_hash_do_sha256(RHash *ctx, const ut8 *input, int len) {
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if (len<0) return NULL;
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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 ut8 *r_hash_do_sha384(RHash *ctx, const ut8 *input, int len) {
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if (len<0) return NULL;
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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 ut8 *r_hash_do_sha512(RHash *ctx, const ut8 *input, int len) {
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if (len<0) return NULL;
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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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