On Wed, May 10, 2006 at 05:10:18PM +0100, Andy Bontoft wrote:

> Hello,
> Could someone please explain what the Kx=RSA denotes (By this I mean the
> RSA by itself)?
> It seems straight forward what Kx=RSA(512) and Kx=RSA(1024) mean but I
> don't understand what RSA without a bit specification would represent,
> and how it differs.

A quick grep of "openssl ciphers -v", shows that all the RSA(NNN) ciphers
are "export" ciphers:

EXP1024-DES-CBC-SHA     SSLv3 Kx=RSA(1024) Au=RSA  Enc=DES(56)   Mac=SHA1 export
EXP1024-RC2-CBC-MD5     SSLv3 Kx=RSA(1024) Au=RSA  Enc=RC2(56)   Mac=MD5  export
EXP1024-RC4-SHA         SSLv3 Kx=RSA(1024) Au=RSA  Enc=RC4(56)   Mac=SHA1 export
EXP1024-RC4-MD5         SSLv3 Kx=RSA(1024) Au=RSA  Enc=RC4(56)   Mac=MD5  export
EXP-DES-CBC-SHA         SSLv3 Kx=RSA(512) Au=RSA  Enc=DES(40)   Mac=SHA1 export
EXP-RC2-CBC-MD5         SSLv3 Kx=RSA(512) Au=RSA  Enc=RC2(40)   Mac=MD5  export
EXP-RC2-CBC-MD5         SSLv2 Kx=RSA(512) Au=RSA  Enc=RC2(40)   Mac=MD5  export
EXP-RC4-MD5             SSLv3 Kx=RSA(512) Au=RSA  Enc=RC4(40)   Mac=MD5  export
EXP-RC4-MD5             SSLv2 Kx=RSA(512) Au=RSA  Enc=RC4(40)   Mac=MD5  export

AES256-SHA              SSLv3 Kx=RSA      Au=RSA  Enc=AES(256)  Mac=SHA1
DES-CBC3-SHA            SSLv3 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=SHA1
DES-CBC3-MD5            SSLv2 Kx=RSA      Au=RSA  Enc=3DES(168) Mac=MD5
AES128-SHA              SSLv3 Kx=RSA      Au=RSA  Enc=AES(128)  Mac=SHA1
RC2-CBC-MD5             SSLv2 Kx=RSA      Au=RSA  Enc=RC2(128)  Mac=MD5
RC4-SHA                 SSLv3 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=SHA1
RC4-MD5                 SSLv3 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=MD5
RC4-MD5                 SSLv2 Kx=RSA      Au=RSA  Enc=RC4(128)  Mac=MD5
RC4-64-MD5              SSLv2 Kx=RSA      Au=RSA  Enc=RC4(64)   Mac=MD5
DES-CBC-SHA             SSLv3 Kx=RSA      Au=RSA  Enc=DES(56)   Mac=SHA1
DES-CBC-MD5             SSLv2 Kx=RSA      Au=RSA  Enc=DES(56)   Mac=MD5

-- 
        Viktor.
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