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| author | Tomas Mraz <tomas@openssl.org> | 2023-10-18 15:50:30 +0200 |
|---|---|---|
| committer | Hugo Landau <hlandau@openssl.org> | 2023-10-26 16:25:47 +0200 |
| commit | af0025fc40779cc98c06db7e29936f9d5de8cc9e (patch) | |
| tree | 8a6f620ac9b7148ce970ddee39416adcffebe28e /doc/man3/BN_mod_inverse.pod | |
| parent | doc: change "certifictes" to "certificates" (diff) | |
| download | openssl-af0025fc40779cc98c06db7e29936f9d5de8cc9e.tar.xz openssl-af0025fc40779cc98c06db7e29936f9d5de8cc9e.zip | |
bn: Properly error out if aliasing return value with modulus
Test case amended from code initially written by Bernd Edlinger.
Fixes #21110
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22421)
Diffstat (limited to 'doc/man3/BN_mod_inverse.pod')
| -rw-r--r-- | doc/man3/BN_mod_inverse.pod | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/man3/BN_mod_inverse.pod b/doc/man3/BN_mod_inverse.pod index 5dbb5c3cc2..f88e0e63fa 100644 --- a/doc/man3/BN_mod_inverse.pod +++ b/doc/man3/BN_mod_inverse.pod @@ -18,7 +18,11 @@ places the result in B<r> (C<(a*r)%n==1>). If B<r> is NULL, a new B<BIGNUM> is created. B<ctx> is a previously allocated B<BN_CTX> used for temporary -variables. B<r> may be the same B<BIGNUM> as B<a> or B<n>. +variables. B<r> may be the same B<BIGNUM> as B<a>. + +=head1 NOTES + +It is an error to use the same B<BIGNUM> as B<n>. =head1 RETURN VALUES |