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Fix prime generation loop in crypto/bn/bn_prime.pl by making

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sure the loop does correctly stop and breaking ("division by zero")
modulus operations are not performed. The (pre-generated) prime
table crypto/bn/bn_prime.h was already correct, but it could not be
re-generated on some platforms because of the "division by zero"
situation in the script.
This commit is contained in:
Ralf S. Engelschall 2003-09-25 13:57:58 +00:00
parent dfe399e7d9
commit 6bd27f8644
2 changed files with 9 additions and 1 deletions
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8
CHANGES
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@ -4,6 +4,14 @@
Changes between 0.9.7c and 0.9.8 [xx XXX xxxx] Changes between 0.9.7c and 0.9.8 [xx XXX xxxx]
*) Fix prime generation loop in crypto/bn/bn_prime.pl by making
sure the loop does correctly stop and breaking ("division by zero")
modulus operations are not performed. The (pre-generated) prime
table crypto/bn/bn_prime.h was already correct, but it could not be
re-generated on some platforms because of the "division by zero"
situation in the script.
[Ralf S. Engelschall]
*) Update support for ECC-based TLS ciphersuites according to *) Update support for ECC-based TLS ciphersuites according to
draft-ietf-tls-ecc-03.txt: the KDF1 key derivation function with draft-ietf-tls-ecc-03.txt: the KDF1 key derivation function with
SHA-1 now is only used for "small" curves (where the SHA-1 now is only used for "small" curves (where the

2
crypto/bn/bn_prime.pl
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@ -11,7 +11,7 @@ loop: while ($#primes < $num-1)
$p+=2; $p+=2;
$s=int(sqrt($p)); $s=int(sqrt($p));
for ($i=0; $primes[$i]<=$s; $i++) for ($i=0; defined($primes[$i]) && $primes[$i]<=$s; $i++)
{ {
next loop if (($p%$primes[$i]) == 0); next loop if (($p%$primes[$i]) == 0);
} }