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25 lines
609 B
C
25 lines
609 B
C
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/*
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* This code is included at the end of sha1dc/sha1.c with the
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* SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C macro.
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*/
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void git_SHA1DCFinal(unsigned char hash[20], SHA1_CTX *ctx)
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{
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if (!SHA1DCFinal(hash, ctx))
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return;
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die("SHA-1 appears to be part of a collision attack: %s",
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sha1_to_hex(hash));
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}
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void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *vdata, unsigned long len)
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{
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const char *data = vdata;
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/* We expect an unsigned long, but sha1dc only takes an int */
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while (len > INT_MAX) {
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SHA1DCUpdate(ctx, data, INT_MAX);
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data += INT_MAX;
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len -= INT_MAX;
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}
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SHA1DCUpdate(ctx, data, len);
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}
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