Create a new generic ECDSA TLV type that can be used
to store any signatures irrespective of the curve type.

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I2aeb885251fd25e23f5430328b8cc64b8cc8d7be

Remove those TLVs that are tied to a specific curve and update
the image validation logic to look for the new generic TLV

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I924f2742424bc255fbed1b0941648baa88f60147

Update imgtool to support the new
generic ECDSA TLV and the ECDSA
p384 curve type with sha-384

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I9b1887610cc5d0e7cde90f47999fcdf3500ef51c

Add backwards compatibility to the imgtool to support
the old curve specific TLVs. Currently only ECDSA256 needs this.

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I275894ebc713ea8adcaab4198b036c41233b11e8

Add support to the simulator so that
the generic ECDSA TLV can be tested.

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I3322ed829d150ff35abfaaa8ecf69ab7017bd7cf

Remove those TLVs that are tied to a specific curve and modify the
code to use the new generic ECDSA TLV.

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: Iffe9052580c99e75118cf5df4286e0e9a2af4a8c

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I6837467e985af644f124ae8a9cceb0f68736ec84