difference between RFC 1423 and X.509

> But when you look into X.509 ANNEX H, object identifier for 'rsa'
> is defined in following way
>
> rsa OBJECT IDENTIFIER ::=  {
>      joint-iso-ccitt(2) ds(5) 
>      modules(1)  /********/
>      algorithm(8)
>      encryptionAlgorithm(1) 1
> }
>
> Has this been noticed before? If so, what is the conclusion? I suppose this 
> is an error in RFC 1423. 
>
> Nada Kapidzic

I see no contradiction.  From X.509:

rsa OBJECT IDENTIFIER ::= {encryptionAlgorithm 1}
encryptionAlgorithm OBJECT IDENTIFIER ::= {algorithm 1}

And from X.501, annex B:

algorithm OBJECT IDENTIFIER ::= {ds 8}
ds OBJECT IDENTIFIER ::= {joint-iso-ccitt ds (5)}

- Jeff