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Fix a possible crash in dsa_builtin_paramgen2.

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Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3675)
This commit is contained in:
Bernd Edlinger 2017-06-13 21:22:45 +02:00 committed by Rich Salz
parent abea494cf7
commit fb0a64126b
1 changed files with 2 additions and 0 deletions
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2
crypto/dsa/dsa_gen.c
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@ -376,6 +376,8 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
} else {
p = BN_CTX_get(ctx);
q = BN_CTX_get(ctx);
if (q == NULL)
goto err;
}
if (!BN_lshift(test, BN_value_one(), L - 1))