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9ac01f59be
Factor out the code from md5sum and sha1sum into a util function. Use FILE * instead of a file descriptor. This will make it a bit easier/more consistent when we implement support for the -c option.
19 lines
608 B
C
19 lines
608 B
C
/* public domain md5 implementation based on rfc1321 and libtomcrypt */
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struct md5 {
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uint64_t len; /* processed message length */
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uint32_t h[4]; /* hash state */
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uint8_t buf[64]; /* message block buffer */
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};
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enum { MD5_DIGEST_LENGTH = 16 };
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/* reset state */
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void md5_init(void *ctx);
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/* process message */
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void md5_update(void *ctx, const void *m, unsigned long len);
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/* get message digest */
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/* state is ruined after sum, keep a copy if multiple sum is needed */
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/* part of the message might be left in s, zero it if secrecy is needed */
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void md5_sum(void *ctx, uint8_t md[MD5_DIGEST_LENGTH]);
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