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fixed bug in sha1sum calculation

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This commit is contained in:
Steffen Vogel 2017-03-29 04:26:33 +02:00
parent 5f17ed7786
commit 0290fe03f1
1 changed files with 5 additions and 1 deletions
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6
lib/utils.c
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@ -437,8 +437,10 @@ int sha1sum(FILE *f, unsigned char *sha1)
SHA_CTX c;
char buf[512];
ssize_t bytes;
long seek;
rewind(f); /* Rewind the file in order to calculate over the whole file. */
seek = ftell(f);
fseek(f, 0, SEEK_SET);
SHA1_Init(&c);
@ -449,6 +451,8 @@ int sha1sum(FILE *f, unsigned char *sha1)
}
SHA1_Final(sha1, &c);
fseek(f, seek, SEEK_SET);
return 0;
}