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      1 /*
      2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License 2.0 (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 /*
     11  * RIPEMD160 low level APIs are deprecated for public use, but still ok for
     12  * internal use.
     13  */
     14 #include "internal/deprecated.h"
     15 
     16 #include <stdio.h>
     17 #include <string.h>
     18 #include <openssl/ripemd.h>
     19 #include <openssl/crypto.h>
     20 
     21 unsigned char *RIPEMD160(const unsigned char *d, size_t n, unsigned char *md)
     22 {
     23     RIPEMD160_CTX c;
     24     static unsigned char m[RIPEMD160_DIGEST_LENGTH];
     25 
     26     if (md == NULL)
     27         md = m;
     28     if (!RIPEMD160_Init(&c))
     29         return NULL;
     30     RIPEMD160_Update(&c, d, n);
     31     RIPEMD160_Final(md, &c);
     32     OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */
     33     return md;
     34 }
     35