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26 lines
1022 B
26 lines
1022 B
7 years ago
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diff -up openssl-1.0.1e/crypto/rsa/rsa_gen.c.cc-reqs openssl-1.0.1e/crypto/rsa/rsa_gen.c
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--- openssl-1.0.1e/crypto/rsa/rsa_gen.c.cc-reqs 2015-01-13 12:45:51.000000000 +0100
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+++ openssl-1.0.1e/crypto/rsa/rsa_gen.c 2015-01-15 17:35:04.649697922 +0100
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@@ -438,6 +438,10 @@ static int rsa_builtin_keygen(RSA *rsa,
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if(!rsa->dmq1 && ((rsa->dmq1=BN_new()) == NULL)) goto err;
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if(!rsa->iqmp && ((rsa->iqmp=BN_new()) == NULL)) goto err;
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+ /* prepare minimum p and q difference */
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+ if (!BN_one(r3)) goto err;
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+ if (bitsp > 100 && !BN_lshift(r3, r3, bitsp - 100)) goto err;
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+
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BN_copy(rsa->e, e_value);
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/* generate p and q */
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@@ -463,7 +467,9 @@ static int rsa_builtin_keygen(RSA *rsa,
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{
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if(!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))
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goto err;
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- } while((BN_cmp(rsa->p, rsa->q) == 0) && (++degenerate < 3));
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+ if (!BN_sub(r2, rsa->q, rsa->p))
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+ goto err;
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+ } while((BN_ucmp(r2, r3) <= 0) && (++degenerate < 3));
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if(degenerate == 3)
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{
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ok = 0; /* we set our own err */
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