diff options
Diffstat (limited to 'doc/man3/EVP_PKEY_get_size.pod')
| -rw-r--r-- | doc/man3/EVP_PKEY_get_size.pod | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/man3/EVP_PKEY_get_size.pod b/doc/man3/EVP_PKEY_get_size.pod index 37bb9bb4c4..44b91cb00e 100644 --- a/doc/man3/EVP_PKEY_get_size.pod +++ b/doc/man3/EVP_PKEY_get_size.pod @@ -22,6 +22,7 @@ EVP_PKEY_bits, EVP_PKEY_security_bits, EVP_PKEY_size EVP_PKEY_get_size() returns the maximum suitable size for the output buffers for almost all operations that can be done with I<pkey>. +This corresponds to the provider parameter B<OSSL_PKEY_PARAM_MAX_SIZE>. The primary documented use is with L<EVP_SignFinal(3)> and L<EVP_SealInit(3)>, but it isn't limited there. The returned size is also large enough for the output buffer of L<EVP_PKEY_sign(3)>, @@ -38,9 +39,11 @@ receive that length), to avoid bugs. EVP_PKEY_get_bits() returns the cryptographic length of the cryptosystem to which the key in I<pkey> belongs, in bits. Note that the definition of cryptographic length is specific to the key cryptosystem. +This length corresponds to the provider parameter B<OSSL_PKEY_PARAM_BITS>. EVP_PKEY_get_security_bits() returns the number of security bits of the given I<pkey>, bits of security is defined in NIST SP800-57. +This corresponds to the provider parameter B<OSSL_PKEY_PARAM_SECURITY_BITS>. =head1 RETURN VALUES @@ -66,6 +69,7 @@ L<EVP_DigestSignFinal(3)/NOTES>. =head1 SEE ALSO +L<provider-keymgmt(7)>, L<EVP_SignFinal(3)>, L<EVP_SealInit(3)>, L<EVP_PKEY_sign(3)>, |