in PHP how to calculate full uncompressed public key from a short 02/03 pubkey?

in PHP how do i create the full public key from a compressed one?

my test key is
026a04ab98d9e4774ad806e302dddeb63bea16b5cb5f223ee77478e861bb583eb3

and the uncompressed one is
6a04ab98d9e4774ad806e302dddeb63bea16b5cb5f223ee77478e861bb583eb3
36b6fbcb60b5b3d4f1551ac45e5ffc4936466e7d98f6c7c0ec736539f74691a6

can this be done via openssl?

thanks for any helpful answer!!

Continue reading in PHP how to calculate full uncompressed public key from a short 02/03 pubkey?

Leave a Comment