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Make it clear that for RSA_NO_PADDING, flen must be RSA_size(rsa)

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This commit is contained in:
Richard Levitte 2004-03-23 21:01:34 +00:00
parent e725a9660b
commit f46e76ef50
1 changed files with 4 additions and 3 deletions
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7
doc/crypto/RSA_public_encrypt.pod
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@ -47,9 +47,10 @@ Encrypting user data directly with RSA is insecure.
=back =back
B<flen> must be less than RSA_size(B<rsa>) - 11 for the PKCS #1 v1.5 B<flen> must be less than RSA_size(B<rsa>) - 11 for the PKCS #1 v1.5
based padding modes, and less than RSA_size(B<rsa>) - 41 for based padding modes, less than RSA_size(B<rsa>) - 41 for
RSA_PKCS1_OAEP_PADDING. The random number generator must be seeded RSA_PKCS1_OAEP_PADDING and exactly RSA_size(B<rsa>) for RSA_NO_PADDING.
prior to calling RSA_public_encrypt(). The random number generator must be seeded prior to calling
RSA_public_encrypt().
RSA_private_decrypt() decrypts the B<flen> bytes at B<from> using the RSA_private_decrypt() decrypts the B<flen> bytes at B<from> using the
private key B<rsa> and stores the plaintext in B<to>. B<to> must point private key B<rsa> and stores the plaintext in B<to>. B<to> must point