End-to-End SSL Pinning & Local TLS Sandbox in Kotlin Multiplatform (KMP): The Complete Engineering Blueprint
A deep dive into building a local cryptographic sandbox for testing SSL Pinning (SPKI Hashes) across Android (OkHttp) and iOS (Darwin) with Ktor 3.5. Overcome Ktor 3.5.0 migration shifts, ASN.1 tag mismatches, keystore overwrite loops, and iOS interop quirks.