diff options
Diffstat (limited to 'doc/crypto/BN_add_word.pod')
| -rw-r--r-- | doc/crypto/BN_add_word.pod | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/crypto/BN_add_word.pod b/doc/crypto/BN_add_word.pod index 94244adea4..70667d2893 100644 --- a/doc/crypto/BN_add_word.pod +++ b/doc/crypto/BN_add_word.pod @@ -29,11 +29,11 @@ BN_add_word() adds B<w> to B<a> (C<a+=w>). BN_sub_word() subtracts B<w> from B<a> (C<a-=w>). -BN_mul_word() multiplies B<a> and B<w> (C<a*=b>). +BN_mul_word() multiplies B<a> and B<w> (C<a*=w>). BN_div_word() divides B<a> by B<w> (C<a/=w>) and returns the remainder. -BN_mod_word() returns the remainder of B<a> divided by B<w> (C<a%m>). +BN_mod_word() returns the remainder of B<a> divided by B<w> (C<a%w>). For BN_div_word() and BN_mod_word(), B<w> must not be 0. @@ -42,7 +42,8 @@ For BN_div_word() and BN_mod_word(), B<w> must not be 0. BN_add_word(), BN_sub_word() and BN_mul_word() return 1 for success, 0 on error. The error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>. -BN_mod_word() and BN_div_word() return B<a>%B<w>. +BN_mod_word() and BN_div_word() return B<a>%B<w> on success and +B<(BN_ULONG)-1> if an error occurred. =head1 SEE ALSO @@ -54,4 +55,7 @@ BN_add_word() and BN_mod_word() are available in all versions of SSLeay and OpenSSL. BN_div_word() was added in SSLeay 0.8, and BN_sub_word() and BN_mul_word() in SSLeay 0.9.0. +Before 0.9.8a the return value for BN_div_word() and BN_mod_word() +in case of an error was 0. + =cut |