tree 3b65cdef85d49ba176e5783ff922a88f8936b5f8
parent a33bca41ec30bab21322f1c555eb054b324c92ed
author Tianjie Xu <xunchang@google.com> 1569869297 -0700
committer Tianjie Xu <xunchang@google.com> 1569907321 +0000

Signature size now uses size_t

Signature size shouldn't have negative values. Make its usage more
consistent.

Test: mma
Change-Id: Ie6cbf49694fcbe0348d6338373423d77d3edfdd4