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Diffstat (limited to 'openssl/doc/crypto/RSA_sign.pod')
| -rw-r--r-- | openssl/doc/crypto/RSA_sign.pod | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/openssl/doc/crypto/RSA_sign.pod b/openssl/doc/crypto/RSA_sign.pod index 8553be8e9..fc16b1f4f 100644 --- a/openssl/doc/crypto/RSA_sign.pod +++ b/openssl/doc/crypto/RSA_sign.pod @@ -20,6 +20,10 @@ RSA_sign() signs the message digest B<m> of size B<m_len> using the private key B<rsa> as specified in PKCS #1 v2.0. It stores the signature in B<sigret> and the signature size in B<siglen>. B<sigret> must point to RSA_size(B<rsa>) bytes of memory. +Note that PKCS #1 adds meta-data, placing limits on the size of the +key that can be used. +See L<RSA_private_encrypt(3)|RSA_private_encrypt(3)> for lower-level +operations. B<type> denotes the message digest algorithm that was used to generate B<m>. It usually is one of B<NID_sha1>, B<NID_ripemd160> and B<NID_md5>; |