|
@@ -61,11 +61,9 @@ see tor-design.pdf.
|
|
|
|
|
|
|
|
For a public-key cipher, we use RSA with 1024-bit keys and a fixed
|
|
For a public-key cipher, we use RSA with 1024-bit keys and a fixed
|
|
|
exponent of 65537. We use OAEP-MGF1 padding, with SHA-1 as its digest
|
|
exponent of 65537. We use OAEP-MGF1 padding, with SHA-1 as its digest
|
|
|
- function. We leave optional the "Label" parameter unset. (For OAEP
|
|
+ function. We leave the optional "Label" parameter unset. (For OAEP
|
|
|
padding, see ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf)
|
|
padding, see ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf)
|
|
|
|
|
|
|
|
- [Nick, what does "we leave optional the Label parameter unset" mean? -RD]
|
|
|
|
|
-
|
|
|
|
|
For Diffie-Hellman, we use a generator (g) of 2. For the modulus (p), we
|
|
For Diffie-Hellman, we use a generator (g) of 2. For the modulus (p), we
|
|
|
use the 1024-bit safe prime from rfc2409 section 6.2 whose hex
|
|
use the 1024-bit safe prime from rfc2409 section 6.2 whose hex
|
|
|
representation is:
|
|
representation is:
|
|
@@ -382,7 +380,7 @@ see tor-design.pdf.
|
|
|
This value is hybrid-encrypted (see 0.3) to Bob's onion key, giving
|
|
This value is hybrid-encrypted (see 0.3) to Bob's onion key, giving
|
|
|
an onion-skin of:
|
|
an onion-skin of:
|
|
|
PK-encrypted:
|
|
PK-encrypted:
|
|
|
- Padding padding [PK_PAD_LEN bytes]
|
|
+ Padding [PK_PAD_LEN bytes]
|
|
|
Symmetric key [KEY_LEN bytes]
|
|
Symmetric key [KEY_LEN bytes]
|
|
|
First part of g^x [PK_ENC_LEN-PK_PAD_LEN-KEY_LEN bytes]
|
|
First part of g^x [PK_ENC_LEN-PK_PAD_LEN-KEY_LEN bytes]
|
|
|
Symmetrically encrypted:
|
|
Symmetrically encrypted:
|
Nick Mathewson