**diff options**

Diffstat (limited to 'doc/man3/BN_generate_prime.pod')

-rw-r--r-- | doc/man3/BN_generate_prime.pod | 10 |

1 files changed, 7 insertions, 3 deletions

diff --git a/doc/man3/BN_generate_prime.pod b/doc/man3/BN_generate_prime.pod index 31fbc1ffa174..f1e63f3b3c4a 100644 --- a/doc/man3/BN_generate_prime.pod +++ b/doc/man3/BN_generate_prime.pod @@ -52,7 +52,9 @@ Deprecated: BN_generate_prime_ex() generates a pseudo-random prime number of at least bit length B<bits>. The returned number is probably prime -with a negligible error. +with a negligible error. If B<add> is B<NULL> the returned prime +number will have exact bit length B<bits> with the top most two +bits set. If B<ret> is not B<NULL>, it will be used to store the number. @@ -89,7 +91,9 @@ If B<add> is not B<NULL>, the prime will fulfill the condition p % B<add> generator. If B<safe> is true, it will be a safe prime (i.e. a prime p so -that (p-1)/2 is also prime). +that (p-1)/2 is also prime). If B<safe> is true, and B<rem> == B<NULL> +the condition will be p % B<add> == 3. +It is recommended that B<add> is a multiple of 4. The random generator must be seeded prior to calling BN_generate_prime_ex(). If the automatic seeding or reseeding of the OpenSSL CSPRNG fails due to @@ -206,7 +210,7 @@ and BN_GENCB_get_arg() functions were added in OpenSSL 1.1.0. =head1 COPYRIGHT -Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved. +Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy |