Check buffer size in DeserializePasswd
Check buffer size in DeserializePasswd

PiperOrigin-RevId: 304466096
Change-Id: I9cbb7a1e6321c7a332995fda23404a77f67cace9

google/asylo,google/asylo,google/asylo,google/asylo,google/asylo,google/asylo