Initial commit

core/certificates/build.gradle.kts

@@ -0,0 +1,42 @@
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+    id("kotlin-kapt")
+    id("dagger.hilt.android.plugin")
+}
+
+android {
+    namespace = "com.smoa.core.certificates"
+    compileSdk = AppConfig.compileSdk
+
+    defaultConfig {
+        minSdk = AppConfig.minSdk
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    implementation(project(":core:common"))
+    implementation(project(":core:security"))
+
+    implementation(Dependencies.androidxCoreKtx)
+    
+    // Cryptography
+    implementation(Dependencies.bouncycastle)
+    implementation(Dependencies.bouncycastlePkix)
+    
+    implementation(Dependencies.hiltAndroid)
+    kapt(Dependencies.hiltAndroidCompiler)
+    
+    implementation(Dependencies.coroutinesCore)
+    implementation(Dependencies.coroutinesAndroid)
+}
+

core/certificates/src/main/java/com/smoa/core/certificates/CertificateManager.kt

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+package com.smoa.core.certificates
+
+import com.smoa.core.certificates.domain.CertificateManager as DomainCertificateManager
+import java.security.cert.X509Certificate
+import javax.inject.Inject
+
+/**
+ * Certificate Manager - Main entry point for certificate management.
+ */
+class CertificateManager @Inject constructor(
+    private val domainManager: DomainCertificateManager
+) {
+    fun storeCertificate(certificateId: String, certificate: X509Certificate, metadata: com.smoa.core.certificates.domain.CertificateMetadata) =
+        domainManager.storeCertificate(certificateId, certificate, metadata)
+    
+    fun getCertificate(certificateId: String) = domainManager.getCertificate(certificateId)
+    
+    fun isCertificateValid(certificate: X509Certificate) = domainManager.isCertificateValid(certificate)
+}

core/certificates/src/main/java/com/smoa/core/certificates/domain/CertificateManager.kt

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+package com.smoa.core.certificates.domain
+
+import java.security.cert.X509Certificate
+import java.util.Date
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * Certificate management system.
+ */
+@Singleton
+class CertificateManager @Inject constructor() {
+    
+    private val certificates = mutableMapOf<String, CertificateInfo>()
+    
+    /**
+     * Store certificate.
+     */
+    fun storeCertificate(certificateId: String, certificate: X509Certificate, metadata: CertificateMetadata) {
+        certificates[certificateId] = CertificateInfo(
+            certificateId = certificateId,
+            certificate = certificate,
+            metadata = metadata,
+            storedDate = Date()
+        )
+    }
+    
+    /**
+     * Get certificate.
+     */
+    fun getCertificate(certificateId: String): CertificateInfo? {
+        return certificates[certificateId]
+    }
+    
+    /**
+     * Check certificate validity.
+     */
+    fun isCertificateValid(certificate: X509Certificate): Boolean {
+        return try {
+            certificate.checkValidity()
+            true
+        } catch (e: Exception) {
+            false
+        }
+    }
+    
+    /**
+     * Check certificate revocation status via OCSP/CRL.
+     * TODO: Implement actual OCSP/CRL checking
+     */
+    suspend fun checkRevocationStatus(certificate: X509Certificate): RevocationStatus {
+        // Placeholder - actual implementation will query OCSP responder or CRL
+        return RevocationStatus.UNKNOWN
+    }
+}
+
+data class CertificateInfo(
+    val certificateId: String,
+    val certificate: X509Certificate,
+    val metadata: CertificateMetadata,
+    val storedDate: Date
+)
+
+data class CertificateMetadata(
+    val issuer: String,
+    val subject: String,
+    val purpose: CertificatePurpose,
+    val isQualified: Boolean // eIDAS qualified certificate
+)
+
+enum class CertificatePurpose {
+    SIGNING,
+    ENCRYPTION,
+    AUTHENTICATION
+}
+
+enum class RevocationStatus {
+    VALID,
+    REVOKED,
+    UNKNOWN
+}
+