4.1155-freebsd-126-freebsd-12freebsd-9.3
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1 | /* |
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2 | * This code implements the MD5 message-digest algorithm. |
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3 | * The algorithm is due to Ron Rivest. This code was |
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4 | * written by Colin Plumb in 1993, no copyright is claimed. |
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5 | * This code is in the public domain; do with it what you wish. |
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6 | * |
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7 | * Equivalent code is available from RSA Data Security, Inc. |
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8 | * This code has been tested against that, and is equivalent, |
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9 | * except that you don't need to include two pages of legalese |
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10 | * with every copy. |
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11 | * |
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12 | * To compute the message digest of a chunk of bytes, declare an |
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13 | * MD5Context structure, pass it to MD5Init, call MD5Update as |
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14 | * needed on buffers full of bytes, and then call MD5Final, which |
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15 | * will fill a supplied 16-byte array with the digest. |
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16 | */ |
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17 | |
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18 | #ifndef MD5_H_ |
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19 | #define MD5_H_ |
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20 | |
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21 | #define MD5_DIGEST_LENGTH 16 |
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22 | #define MD5_BLOCK_LENGTH 64 |
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23 | |
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24 | typedef struct MD5Context { |
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25 | uint32_t state[4]; /* state (ABCD) */ |
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26 | uint64_t count; /* number of bits, modulo 2^64 (lsb first) */ |
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27 | unsigned char buffer[MD5_BLOCK_LENGTH]; /* input buffer */ |
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28 | } MD5_CTX; |
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29 | |
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30 | void MD5Init(MD5_CTX *); |
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31 | void MD5Update(MD5_CTX *, const unsigned char *, size_t); |
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32 | void MD5Final(unsigned char[MD5_DIGEST_LENGTH], MD5_CTX *); |
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33 | #endif |
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