added base utils for MPCv2 external signer
added MPCv2 base code to support external signer
Implemented singing using external signer for MPCv2
Use the hashed signableTx as Adata to verify that the encrypted session matches with the tx during
the second and third DSG rounds in external signer, this would prevent re using the stored session
for a different tx
added base utils for MPCv2 external signer added MPCv2 base code to support external signer Implemented singing using external signer for MPCv2 Use the hashed signableTx as Adata to verify that the encrypted session matches with the tx during the second and third DSG rounds in external signer, this would prevent re using the stored session for a different tx
WP-2136