SHA-1 support is there for PHP developers. Apparently it can't do SHA-2.

On 2 Mar 2014 08:53, "Jeremy Spilman" <jeremy@taplink.co> wrote:

 From BIP70:

   If pki_type is "x509+sha256", then the Payment message is hashed using
the
   SHA256 algorithm to produce the message digest that is signed. If
pki_type
   is "x509+sha1", then the SHA1 algorithm is used.

A couple minor comments;

  - I think it meant to say the field to be hashed is 'PaymentRequest' not
'Payment' message -- probably got renamed at some point and this is an old
reference calling it by its original name.

  - Could be a bit more explicit about the hashing, e.g. 'copy the
PaymentRequest, set the signature field to the empty string, serialize to
a byte[] and hash.

  - SHA1 is retiring, any particular reason to even have it in there at all?

  - Should there any way for the end-user to see details like the pki_type
and the certificate chain, like browser do?


Thanks,
Jeremy


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