diff options
Diffstat (limited to 'doc/man3/RAND_get0_primary.pod')
| -rw-r--r-- | doc/man3/RAND_get0_primary.pod | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/doc/man3/RAND_get0_primary.pod b/doc/man3/RAND_get0_primary.pod index 408d02077f..88a2f6c311 100644 --- a/doc/man3/RAND_get0_primary.pod +++ b/doc/man3/RAND_get0_primary.pod @@ -4,7 +4,9 @@ RAND_get0_primary, RAND_get0_public, -RAND_get0_private +RAND_get0_private, +RAND_set0_public, +RAND_set0_private - get access to the global EVP_RAND_CTX instances =head1 SYNOPSIS @@ -14,6 +16,8 @@ RAND_get0_private EVP_RAND_CTX *RAND_get0_primary(OSSL_LIB_CTX *ctx); EVP_RAND_CTX *RAND_get0_public(OSSL_LIB_CTX *ctx); EVP_RAND_CTX *RAND_get0_private(OSSL_LIB_CTX *ctx); + int RAND_set0_public(OSSL_LIB_CTX *ctx, EVP_RAND_CTX *rand); + int RAND_set0_private(OSSL_LIB_CTX *ctx, EVP_RAND_CTX *rand); =head1 DESCRIPTION @@ -25,7 +29,10 @@ by RAND_bytes() and RAND_priv_bytes(), respectively. The I<primary> DRBG is a global instance, which is not intended to be used directly, but is used internally to reseed the other two instances. -These functions here provide access to the shared DRBG instances. +The three get functions provide access to the shared DRBG instances. + +The two set functions allow the public and private DRBG instances to be +replaced by another random number generator. =head1 RETURN VALUES @@ -38,8 +45,8 @@ for the given OSSL_LIB_CTX B<ctx>. RAND_get0_private() returns a pointer to the I<private> DRBG instance for the given OSSL_LIB_CTX B<ctx>. -In all the above cases the B<ctx> parameter can -be NULL in which case the default OSSL_LIB_CTX is used. +RAND_set0_public() and RAND_set0_private() return 1 on success and 0 +on error. =head1 NOTES @@ -61,6 +68,10 @@ To set the type of DRBG that will be instantiated, use the L<RAND_set_DRBG_type(3)> call before accessing the random number generation infrastructure. +The two set functions, operate on the the current thread. If you want to +use the same random number generator across all threads, each thread +must individually call the set functions. + =head1 SEE ALSO L<EVP_RAND(3)>, @@ -68,7 +79,9 @@ L<RAND_set_DRBG_type(3)> =head1 HISTORY -These functions were added in OpenSSL 3.0. +RAND_set0_public() and RAND_set0_private() were added in OpenSSL 3.1. + +The remaining functions were added in OpenSSL 3.0. =head1 COPYRIGHT |