diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoCrossSigningKey.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/CryptoCrossSigningKey.kt
similarity index 95%
rename from matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoCrossSigningKey.kt
rename to matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/CryptoCrossSigningKey.kt
index 261674d92f..11996e673e 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoCrossSigningKey.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/CryptoCrossSigningKey.kt
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-package org.matrix.android.sdk.internal.crypto.model
+package org.matrix.android.sdk.api.session.crypto.crosssigning
 
-import org.matrix.android.sdk.api.session.crypto.crosssigning.DeviceTrustLevel
+import org.matrix.android.sdk.internal.crypto.model.CryptoInfo
+import org.matrix.android.sdk.internal.crypto.model.CryptoInfoMapper
 import org.matrix.android.sdk.internal.crypto.model.rest.RestKeyInfo
 
 data class CryptoCrossSigningKey(
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/MXCrossSigningInfo.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/MXCrossSigningInfo.kt
index 20ee68d228..9604decd62 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/MXCrossSigningInfo.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/MXCrossSigningInfo.kt
@@ -16,9 +16,6 @@
 
 package org.matrix.android.sdk.api.session.crypto.crosssigning
 
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
-import org.matrix.android.sdk.internal.crypto.model.KeyUsage
-
 data class MXCrossSigningInfo(
         val userId: String,
         val crossSigningKeys: List<CryptoCrossSigningKey>
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/UserTrustResult.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/UserTrustResult.kt
index eed7422710..ea305b4191 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/UserTrustResult.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/crosssigning/UserTrustResult.kt
@@ -16,8 +16,6 @@
 
 package org.matrix.android.sdk.api.session.crypto.crosssigning
 
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
-
 sealed class UserTrustResult {
     object Success : UserTrustResult()
 
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/crosssigning/Extensions.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/crosssigning/Extensions.kt
index 1c49e2c2e3..a0790d44b8 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/crosssigning/Extensions.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/crosssigning/Extensions.kt
@@ -17,7 +17,7 @@ package org.matrix.android.sdk.internal.crypto.crosssigning
 
 import android.util.Base64
 import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.util.JsonCanonicalizer
 import timber.log.Timber
 
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoInfoMapper.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoInfoMapper.kt
index 97b83e5ba9..de9b3f24ff 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoInfoMapper.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/CryptoInfoMapper.kt
@@ -15,6 +15,7 @@
  */
 package org.matrix.android.sdk.internal.crypto.model
 
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
 import org.matrix.android.sdk.internal.crypto.model.rest.DeviceKeys
 import org.matrix.android.sdk.internal.crypto.model.rest.DeviceKeysWithUnsigned
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/RestKeyInfo.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/RestKeyInfo.kt
index 0d41e5b648..66247d07d1 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/RestKeyInfo.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/RestKeyInfo.kt
@@ -17,7 +17,7 @@ package org.matrix.android.sdk.internal.crypto.model.rest
 
 import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.crypto.model.CryptoInfoMapper
 
 @JsonClass(generateAdapter = true)
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/UploadSignatureQueryBuilder.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/UploadSignatureQueryBuilder.kt
index 9dbc785c95..cf9f391669 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/UploadSignatureQueryBuilder.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/UploadSignatureQueryBuilder.kt
@@ -16,7 +16,8 @@
 package org.matrix.android.sdk.internal.crypto.model.rest
 
 import org.matrix.android.sdk.api.session.crypto.model.CryptoDeviceInfo
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.toRest
 import org.matrix.android.sdk.internal.crypto.model.toRest
 
 /**
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt
index 306b76567c..619ba73f0b 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt
@@ -32,7 +32,7 @@ import org.matrix.android.sdk.internal.crypto.IncomingShareRequestCommon
 import org.matrix.android.sdk.internal.crypto.OutgoingGossipingRequestState
 import org.matrix.android.sdk.api.session.crypto.model.OutgoingRoomKeyRequest
 import org.matrix.android.sdk.internal.crypto.OutgoingSecretRequest
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
 import org.matrix.android.sdk.internal.crypto.model.OlmSessionWrapper
 import org.matrix.android.sdk.internal.crypto.model.OutboundGroupSessionWrapper
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt
index f3c35209b5..b3328806ff 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt
@@ -46,7 +46,7 @@ import org.matrix.android.sdk.internal.crypto.OutgoingGossipingRequestState
 import org.matrix.android.sdk.api.session.crypto.model.OutgoingRoomKeyRequest
 import org.matrix.android.sdk.internal.crypto.OutgoingSecretRequest
 import org.matrix.android.sdk.api.session.crypto.model.OlmDecryptionResult
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.crypto.model.OlmInboundGroupSessionWrapper2
 import org.matrix.android.sdk.internal.crypto.model.OlmSessionWrapper
 import org.matrix.android.sdk.internal.crypto.model.OutboundGroupSessionWrapper
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/mapper/CrossSigningKeysMapper.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/mapper/CrossSigningKeysMapper.kt
index a22a853047..822570fc3a 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/mapper/CrossSigningKeysMapper.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/mapper/CrossSigningKeysMapper.kt
@@ -20,7 +20,7 @@ import com.squareup.moshi.Moshi
 import com.squareup.moshi.Types
 import io.realm.RealmList
 import org.matrix.android.sdk.api.session.crypto.crosssigning.DeviceTrustLevel
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.crypto.store.db.model.KeyInfoEntity
 import timber.log.Timber
 import javax.inject.Inject
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/model/CrossSigningInfoEntity.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/model/CrossSigningInfoEntity.kt
index 8599c972e9..5aba9bb9ba 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/model/CrossSigningInfoEntity.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/model/CrossSigningInfoEntity.kt
@@ -19,7 +19,7 @@ package org.matrix.android.sdk.internal.crypto.store.db.model
 import io.realm.RealmList
 import io.realm.RealmObject
 import io.realm.annotations.PrimaryKey
-import org.matrix.android.sdk.internal.crypto.model.KeyUsage
+import org.matrix.android.sdk.api.session.crypto.crosssigning.KeyUsage
 import org.matrix.android.sdk.internal.extensions.clearWith
 
 internal open class CrossSigningInfoEntity(
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/InitializeCrossSigningTask.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/InitializeCrossSigningTask.kt
index f33b1cdf1b..8296844063 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/InitializeCrossSigningTask.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/InitializeCrossSigningTask.kt
@@ -23,8 +23,8 @@ import org.matrix.android.sdk.internal.auth.registration.handleUIA
 import org.matrix.android.sdk.internal.crypto.MXOlmDevice
 import org.matrix.android.sdk.internal.crypto.MyDeviceInfoHolder
 import org.matrix.android.sdk.internal.crypto.crosssigning.canonicalSignable
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
-import org.matrix.android.sdk.internal.crypto.model.KeyUsage
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.KeyUsage
 import org.matrix.android.sdk.internal.crypto.model.rest.UploadSignatureQueryBuilder
 import org.matrix.android.sdk.internal.di.UserId
 import org.matrix.android.sdk.internal.task.Task
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/UploadSigningKeysTask.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/UploadSigningKeysTask.kt
index cf56ccf039..492c9edc16 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/UploadSigningKeysTask.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/UploadSigningKeysTask.kt
@@ -19,9 +19,9 @@ package org.matrix.android.sdk.internal.crypto.tasks
 import org.matrix.android.sdk.api.auth.UIABaseAuth
 import org.matrix.android.sdk.api.failure.Failure
 import org.matrix.android.sdk.internal.crypto.api.CryptoApi
-import org.matrix.android.sdk.internal.crypto.model.CryptoCrossSigningKey
+import org.matrix.android.sdk.api.session.crypto.crosssigning.CryptoCrossSigningKey
 import org.matrix.android.sdk.internal.crypto.model.rest.UploadSigningKeysBody
-import org.matrix.android.sdk.internal.crypto.model.toRest
+import org.matrix.android.sdk.api.session.crypto.crosssigning.toRest
 import org.matrix.android.sdk.internal.network.GlobalErrorReceiver
 import org.matrix.android.sdk.internal.network.executeRequest
 import org.matrix.android.sdk.internal.task.Task