diff options
Diffstat (limited to 'android/olm-sdk/src/main/jni/olm_pk.cpp')
| -rw-r--r-- | android/olm-sdk/src/main/jni/olm_pk.cpp | 992 |
1 files changed, 0 insertions, 992 deletions
diff --git a/android/olm-sdk/src/main/jni/olm_pk.cpp b/android/olm-sdk/src/main/jni/olm_pk.cpp deleted file mode 100644 index c528342..0000000 --- a/android/olm-sdk/src/main/jni/olm_pk.cpp +++ /dev/null @@ -1,992 +0,0 @@ -/* - * Copyright 2018,2019 New Vector Ltd - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "olm_pk.h" - -#include "olm/olm.h" - -using namespace AndroidOlmSdk; - -OlmPkEncryption * initializePkEncryptionMemory() -{ - size_t encryptionSize = olm_pk_encryption_size(); - OlmPkEncryption *encryptionPtr = (OlmPkEncryption *)malloc(encryptionSize); - - if (encryptionPtr) - { - // init encryption object - encryptionPtr = olm_pk_encryption(encryptionPtr); - LOGD( - "## initializePkEncryptionMemory(): success - OLM encryption size=%lu", - static_cast<long unsigned int>(encryptionSize) - ); - } - else - { - LOGE("## initializePkEncryptionMemory(): failure - OOM"); - } - - return encryptionPtr; -} - -JNIEXPORT jlong OLM_PK_ENCRYPTION_FUNC_DEF(createNewPkEncryptionJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmPkEncryption *encryptionPtr = initializePkEncryptionMemory(); - - // init encryption memory allocation - if (!encryptionPtr) - { - LOGE("## createNewPkEncryptionJni(): failure - init encryption OOM"); - errorMessage = "init encryption OOM"; - } - else - { - LOGD("## createNewPkEncryptionJni(): success - OLM encryption created"); - LOGD( - "## createNewPkEncryptionJni(): encryptionPtr=%p (jlong)(intptr_t)encryptionPtr=%lld", - encryptionPtr, (jlong)(intptr_t)encryptionPtr - ); - } - - if (errorMessage) - { - // release the allocated data - if (encryptionPtr) - { - olm_clear_pk_encryption(encryptionPtr); - free(encryptionPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)encryptionPtr; -} - -JNIEXPORT void OLM_PK_ENCRYPTION_FUNC_DEF(releasePkEncryptionJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## releasePkEncryptionJni(): IN"); - - OlmPkEncryption* encryptionPtr = getPkEncryptionInstanceId(env, thiz); - - if (!encryptionPtr) - { - LOGE(" ## releasePkEncryptionJni(): failure - invalid Encryption ptr=NULL"); - } - else - { - LOGD(" ## releasePkEncryptionJni(): encryptionPtr=%p", encryptionPtr); - olm_clear_pk_encryption(encryptionPtr); - - LOGD(" ## releasePkEncryptionJni(): IN"); - // even if free(NULL) does not crash, logs are performed for debug - // purpose - free(encryptionPtr); - LOGD(" ## releasePkEncryptionJni(): OUT"); - } -} - -JNIEXPORT void OLM_PK_ENCRYPTION_FUNC_DEF(setRecipientKeyJni)( - JNIEnv *env, jobject thiz, jbyteArray aKeyBuffer -) { - const char *errorMessage = NULL; - jbyte *keyPtr = NULL; - - OlmPkEncryption *encryptionPtr = getPkEncryptionInstanceId(env, thiz); - - if (!encryptionPtr) - { - LOGE(" ## pkSetRecipientKeyJni(): failure - invalid Encryption ptr=NULL"); - } - else if (!aKeyBuffer) - { - LOGE(" ## pkSetRecipientKeyJni(): failure - invalid key"); - errorMessage = "invalid key"; - } - else if (!(keyPtr = env->GetByteArrayElements(aKeyBuffer, 0))) - { - LOGE(" ## pkSetRecipientKeyJni(): failure - key JNI allocation OOM"); - errorMessage = "key JNI allocation OOM"; - } - else - { - if (olm_pk_encryption_set_recipient_key(encryptionPtr, keyPtr, (size_t)env->GetArrayLength(aKeyBuffer)) == olm_error()) - { - errorMessage = olm_pk_encryption_last_error(encryptionPtr); - LOGE( - " ## pkSetRecipientKeyJni(): failure - olm_pk_encryption_set_recipient_key Msg=%s", - errorMessage - ); - } - } - - if (keyPtr) - { - env->ReleaseByteArrayElements(aKeyBuffer, keyPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } -} - -JNIEXPORT jbyteArray OLM_PK_ENCRYPTION_FUNC_DEF(encryptJni)( - JNIEnv *env, jobject thiz, jbyteArray aPlaintextBuffer, jobject aEncryptedMsg -) { - jbyteArray encryptedMsgRet = 0; - const char* errorMessage = NULL; - jbyte *plaintextPtr = NULL; - jboolean plaintextIsCopied = JNI_FALSE; - - OlmPkEncryption *encryptionPtr = getPkEncryptionInstanceId(env, thiz); - jclass encryptedMsgJClass = 0; - jfieldID macFieldId; - jfieldID ephemeralFieldId; - - if (!encryptionPtr) - { - LOGE(" ## pkEncryptJni(): failure - invalid Encryption ptr=NULL"); - } - else if (!aPlaintextBuffer) - { - LOGE(" ## pkEncryptJni(): failure - invalid clear message"); - errorMessage = "invalid clear message"; - } - else if (!(plaintextPtr = env->GetByteArrayElements(aPlaintextBuffer, &plaintextIsCopied))) - { - LOGE(" ## pkEncryptJni(): failure - plaintext JNI allocation OOM"); - errorMessage = "plaintext JNI allocation OOM"; - } - else if (!(encryptedMsgJClass = env->GetObjectClass(aEncryptedMsg))) - { - LOGE(" ## pkEncryptJni(): failure - unable to get encrypted message class"); - errorMessage = "unable to get encrypted message class"; - } - else if (!(macFieldId = env->GetFieldID(encryptedMsgJClass, "mMac", "Ljava/lang/String;"))) - { - LOGE("## pkEncryptJni(): failure - unable to get MAC field"); - errorMessage = "unable to get MAC field"; - } - else if (!(ephemeralFieldId = env->GetFieldID(encryptedMsgJClass, "mEphemeralKey", "Ljava/lang/String;"))) - { - LOGE("## pkEncryptJni(): failure - unable to get ephemeral key field"); - errorMessage = "unable to get ephemeral key field"; - } - else - { - size_t plaintextLength = (size_t)env->GetArrayLength(aPlaintextBuffer); - size_t ciphertextLength = olm_pk_ciphertext_length(encryptionPtr, plaintextLength); - size_t macLength = olm_pk_mac_length(encryptionPtr); - size_t ephemeralLength = olm_pk_key_length(); - uint8_t *ciphertextPtr = NULL, *macPtr = NULL, *ephemeralPtr = NULL; - size_t randomLength = olm_pk_encrypt_random_length(encryptionPtr); - uint8_t *randomBuffPtr = NULL; - LOGD("## pkEncryptJni(): randomLength=%lu",static_cast<long unsigned int>(randomLength)); - if (!(ciphertextPtr = (uint8_t*)malloc(ciphertextLength))) - { - LOGE("## pkEncryptJni(): failure - ciphertext JNI allocation OOM"); - errorMessage = "ciphertext JNI allocation OOM"; - } - else if (!(macPtr = (uint8_t*)malloc(macLength + 1))) - { - LOGE("## pkEncryptJni(): failure - MAC JNI allocation OOM"); - errorMessage = "MAC JNI allocation OOM"; - } - else if (!(ephemeralPtr = (uint8_t*)malloc(ephemeralLength + 1))) - { - LOGE("## pkEncryptJni(): failure: ephemeral key JNI allocation OOM"); - errorMessage = "ephemeral JNI allocation OOM"; - } - else if (!setRandomInBuffer(env, &randomBuffPtr, randomLength)) - { - LOGE("## pkEncryptJni(): failure - random buffer init"); - errorMessage = "random buffer init"; - } - else - { - macPtr[macLength] = '\0'; - ephemeralPtr[ephemeralLength] = '\0'; - - size_t returnValue = olm_pk_encrypt( - encryptionPtr, - plaintextPtr, plaintextLength, - ciphertextPtr, ciphertextLength, - macPtr, macLength, - ephemeralPtr, ephemeralLength, - randomBuffPtr, randomLength - ); - - if (returnValue == olm_error()) - { - errorMessage = olm_pk_encryption_last_error(encryptionPtr); - LOGE("## pkEncryptJni(): failure - olm_pk_encrypt Msg=%s", errorMessage); - } - else - { - encryptedMsgRet = env->NewByteArray(ciphertextLength); - env->SetByteArrayRegion( - encryptedMsgRet, 0, ciphertextLength, (jbyte*)ciphertextPtr - ); - - jstring macStr = env->NewStringUTF((char*)macPtr); - env->SetObjectField(aEncryptedMsg, macFieldId, macStr); - jstring ephemeralStr = env->NewStringUTF((char*)ephemeralPtr); - env->SetObjectField(aEncryptedMsg, ephemeralFieldId, ephemeralStr); - } - } - - if (randomBuffPtr) - { - memset(randomBuffPtr, 0, randomLength); - free(randomBuffPtr); - } - if (ephemeralPtr) - { - free(ephemeralPtr); - } - if (macPtr) - { - free(macPtr); - } - if (ciphertextPtr) - { - free(ciphertextPtr); - } - } - - if (plaintextPtr) - { - if (plaintextIsCopied) - { - memset(plaintextPtr, 0, (size_t)env->GetArrayLength(aPlaintextBuffer)); - } - env->ReleaseByteArrayElements(aPlaintextBuffer, plaintextPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return encryptedMsgRet; -} - -OlmPkDecryption * initializePkDecryptionMemory() -{ - size_t decryptionSize = olm_pk_decryption_size(); - OlmPkDecryption *decryptionPtr = (OlmPkDecryption *)malloc(decryptionSize); - - if (decryptionPtr) - { - // init decryption object - decryptionPtr = olm_pk_decryption(decryptionPtr); - LOGD( - "## initializePkDecryptionMemory(): success - OLM decryption size=%lu", - static_cast<long unsigned int>(decryptionSize) - ); - } - else - { - LOGE("## initializePkDecryptionMemory(): failure - OOM"); - } - - return decryptionPtr; -} - -JNIEXPORT jlong OLM_PK_DECRYPTION_FUNC_DEF(createNewPkDecryptionJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmPkDecryption *decryptionPtr = initializePkDecryptionMemory(); - - // init encryption memory allocation - if (!decryptionPtr) - { - LOGE("## createNewPkDecryptionJni(): failure - init decryption OOM"); - errorMessage = "init decryption OOM"; - } - else - { - LOGD("## createNewPkDecryptionJni(): success - OLM decryption created"); - LOGD( - "## createNewPkDecryptionJni(): decryptionPtr=%p (jlong)(intptr_t)decryptionPtr=%lld", - decryptionPtr, (jlong)(intptr_t)decryptionPtr - ); - } - - if (errorMessage) - { - // release the allocated data - if (decryptionPtr) - { - olm_clear_pk_decryption(decryptionPtr); - free(decryptionPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)decryptionPtr; -} - -JNIEXPORT void OLM_PK_DECRYPTION_FUNC_DEF(releasePkDecryptionJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## releasePkDecryptionJni(): IN"); - - OlmPkDecryption* decryptionPtr = getPkDecryptionInstanceId(env, thiz); - - if (!decryptionPtr) - { - LOGE(" ## releasePkDecryptionJni(): failure - invalid Decryption ptr=NULL"); - } - else - { - LOGD(" ## releasePkDecryptionJni(): decryptionPtr=%p", encryptionPtr); - olm_clear_pk_decryption(decryptionPtr); - - LOGD(" ## releasePkDecryptionJni(): IN"); - // even if free(NULL) does not crash, logs are performed for debug - // purpose - free(decryptionPtr); - LOGD(" ## releasePkDecryptionJni(): OUT"); - } -} - -JNIEXPORT jint OLM_PK_DECRYPTION_FUNC_DEF(privateKeyLength)(JNIEnv *env, jobject thiz) -{ - return (jint) olm_pk_private_key_length(); -} - -JNIEXPORT jbyteArray OLM_PK_DECRYPTION_FUNC_DEF(setPrivateKeyJni)(JNIEnv *env, jobject thiz, jbyteArray key) -{ - jbyteArray publicKeyRet = 0; - jbyte *keyPtr = NULL; - jboolean keyWasCopied = JNI_FALSE; - - const char* errorMessage = NULL; - - OlmPkDecryption* decryptionPtr = getPkDecryptionInstanceId(env, thiz); - - if (!decryptionPtr) - { - LOGE(" ## pkSetPrivateKeyJni(): failure - invalid Decryption ptr=NULL"); - } - else if (!key) - { - LOGE(" ## pkSetPrivateKeyJni(): failure - invalid key"); - errorMessage = "invalid key"; - } - else if (!(keyPtr = env->GetByteArrayElements(key, &keyWasCopied))) - { - LOGE(" ## pkSetPrivateKeyJni(): failure - key JNI allocation OOM"); - errorMessage = "key JNI allocation OOM"; - } - else - { - size_t publicKeyLength = olm_pk_key_length(); - uint8_t *publicKeyPtr = NULL; - size_t keyLength = (size_t)env->GetArrayLength(key); - if (!(publicKeyPtr = (uint8_t*)malloc(publicKeyLength))) - { - LOGE("## pkSetPrivateKeyJni(): failure - public key JNI allocation OOM"); - errorMessage = "public key JNI allocation OOM"; - } - else - { - size_t returnValue = olm_pk_key_from_private( - decryptionPtr, - publicKeyPtr, publicKeyLength, - keyPtr, keyLength - ); - if (returnValue == olm_error()) - { - errorMessage = olm_pk_decryption_last_error(decryptionPtr); - LOGE(" ## pkSetPrivateKeyJni(): failure - olm_pk_key_from_private Msg=%s", errorMessage); - } - else - { - publicKeyRet = env->NewByteArray(publicKeyLength); - env->SetByteArrayRegion( - publicKeyRet, 0, publicKeyLength, (jbyte*)publicKeyPtr - ); - } - } - } - - if (keyPtr) - { - if (keyWasCopied) - { - memset(keyPtr, 0, (size_t)env->GetArrayLength(key)); - } - env->ReleaseByteArrayElements(key, keyPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return publicKeyRet; -} - -JNIEXPORT jbyteArray OLM_PK_DECRYPTION_FUNC_DEF(generateKeyJni)(JNIEnv *env, jobject thiz) -{ - size_t randomLength = olm_pk_private_key_length(); - uint8_t *randomBuffPtr = NULL; - - jbyteArray publicKeyRet = 0; - uint8_t *publicKeyPtr = NULL; - size_t publicKeyLength = olm_pk_key_length(); - const char* errorMessage = NULL; - - OlmPkDecryption *decryptionPtr = getPkDecryptionInstanceId(env, thiz); - - if (!decryptionPtr) - { - LOGE(" ## pkGenerateKeyJni(): failure - invalid Decryption ptr=NULL"); - errorMessage = "invalid Decryption ptr=NULL"; - } - else if (!setRandomInBuffer(env, &randomBuffPtr, randomLength)) - { - LOGE("## pkGenerateKeyJni(): failure - random buffer init"); - errorMessage = "random buffer init"; - } - else if (!(publicKeyPtr = static_cast<uint8_t*>(malloc(publicKeyLength)))) - { - LOGE("## pkGenerateKeyJni(): failure - public key allocation OOM"); - errorMessage = "public key allocation OOM"; - } - else - { - if (olm_pk_key_from_private(decryptionPtr, publicKeyPtr, publicKeyLength, randomBuffPtr, randomLength) == olm_error()) - { - errorMessage = olm_pk_decryption_last_error(decryptionPtr); - LOGE("## pkGenerateKeyJni(): failure - olm_pk_generate_key Msg=%s", errorMessage); - } - else - { - publicKeyRet = env->NewByteArray(publicKeyLength); - env->SetByteArrayRegion(publicKeyRet, 0, publicKeyLength, (jbyte*)publicKeyPtr); - LOGD("## pkGenerateKeyJni(): public key generated"); - } - } - - if (randomBuffPtr) - { - memset(randomBuffPtr, 0, randomLength); - free(randomBuffPtr); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return publicKeyRet; -} - -JNIEXPORT jbyteArray OLM_PK_DECRYPTION_FUNC_DEF(privateKeyJni)(JNIEnv *env, jobject thiz) -{ - jbyteArray privateKeyRet = 0; - - const char* errorMessage = NULL; - - OlmPkDecryption* decryptionPtr = getPkDecryptionInstanceId(env, thiz); - - if (!decryptionPtr) - { - LOGE(" ## pkPrivateKeyJni(): failure - invalid Decryption ptr=NULL"); - } - else - { - size_t privateKeyLength = olm_pk_private_key_length(); - uint8_t *privateKeyPtr = NULL; - if (!(privateKeyPtr = (uint8_t*)malloc(privateKeyLength))) - { - LOGE("## pkPrivateKeyJni(): failure - private key JNI allocation OOM"); - errorMessage = "private key JNI allocation OOM"; - } - else - { - size_t returnValue = olm_pk_get_private_key( - decryptionPtr, - privateKeyPtr, privateKeyLength - ); - if (returnValue == olm_error()) - { - errorMessage = olm_pk_decryption_last_error(decryptionPtr); - LOGE(" ## pkPrivateKeyJni(): failure - olm_pk_get_private_key Msg=%s", errorMessage); - } - else - { - privateKeyRet = env->NewByteArray(privateKeyLength); - env->SetByteArrayRegion( - privateKeyRet, 0, privateKeyLength, (jbyte*)privateKeyPtr - ); - memset(privateKeyPtr, 0, privateKeyLength); - } - } - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return privateKeyRet; -} - -JNIEXPORT jbyteArray OLM_PK_DECRYPTION_FUNC_DEF(decryptJni)( - JNIEnv *env, jobject thiz, jobject aEncryptedMsg -) { - const char* errorMessage = NULL; - OlmPkDecryption *decryptionPtr = getPkDecryptionInstanceId(env, thiz); - - jclass encryptedMsgJClass = 0; - jstring ciphertextJstring = 0; - jstring macJstring = 0; - jstring ephemeralKeyJstring = 0; - jfieldID ciphertextFieldId; - jfieldID macFieldId; - jfieldID ephemeralKeyFieldId; - - const char *ciphertextPtr = NULL; - const char *macPtr = NULL; - const char *ephemeralKeyPtr = NULL; - - jbyteArray decryptedMsgRet = 0; - - if (!decryptionPtr) - { - LOGE(" ## pkDecryptJni(): failure - invalid Decryption ptr=NULL"); - errorMessage = "invalid Decryption ptr=NULL"; - } - else if (!aEncryptedMsg) - { - LOGE(" ## pkDecryptJni(): failure - invalid encrypted message"); - errorMessage = "invalid encrypted message"; - } - else if (!(encryptedMsgJClass = env->GetObjectClass(aEncryptedMsg))) - { - LOGE("## pkDecryptJni(): failure - unable to get encrypted message class"); - errorMessage = "unable to get encrypted message class"; - } - else if (!(ciphertextFieldId = env->GetFieldID(encryptedMsgJClass,"mCipherText","Ljava/lang/String;"))) - { - LOGE("## pkDecryptJni(): failure - unable to get message field"); - errorMessage = "unable to get message field"; - } - else if (!(ciphertextJstring = (jstring)env->GetObjectField(aEncryptedMsg, ciphertextFieldId))) - { - LOGE("## pkDecryptJni(): failure - no ciphertext"); - errorMessage = "no ciphertext"; - } - else if (!(ciphertextPtr = env->GetStringUTFChars(ciphertextJstring, 0))) - { - LOGE("## pkDecryptJni(): failure - ciphertext JNI allocation OOM"); - errorMessage = "ciphertext JNI allocation OOM"; - } - else if (!(ciphertextJstring = (jstring)env->GetObjectField(aEncryptedMsg, ciphertextFieldId))) - { - LOGE("## pkDecryptJni(): failure - no ciphertext"); - errorMessage = "no ciphertext"; - } - else if (!(ciphertextPtr = env->GetStringUTFChars(ciphertextJstring, 0))) - { - LOGE("## decryptMessageJni(): failure - ciphertext JNI allocation OOM"); - errorMessage = "ciphertext JNI allocation OOM"; - } - else if (!(macFieldId = env->GetFieldID(encryptedMsgJClass,"mMac","Ljava/lang/String;"))) - { - LOGE("## pkDecryptJni(): failure - unable to get MAC field"); - errorMessage = "unable to get MAC field"; - } - else if (!(macJstring = (jstring)env->GetObjectField(aEncryptedMsg, macFieldId))) - { - LOGE("## pkDecryptJni(): failure - no MAC"); - errorMessage = "no MAC"; - } - else if (!(macPtr = env->GetStringUTFChars(macJstring, 0))) - { - LOGE("## pkDecryptJni(): failure - MAC JNI allocation OOM"); - errorMessage = "ciphertext JNI allocation OOM"; - } - else if (!(ephemeralKeyFieldId = env->GetFieldID(encryptedMsgJClass,"mEphemeralKey","Ljava/lang/String;"))) - { - LOGE("## pkDecryptJni(): failure - unable to get ephemeral key field"); - errorMessage = "unable to get ephemeral key field"; - } - else if (!(ephemeralKeyJstring = (jstring)env->GetObjectField(aEncryptedMsg, ephemeralKeyFieldId))) - { - LOGE("## pkDecryptJni(): failure - no ephemeral key"); - errorMessage = "no ephemeral key"; - } - else if (!(ephemeralKeyPtr = env->GetStringUTFChars(ephemeralKeyJstring, 0))) - { - LOGE("## pkDecryptJni(): failure - ephemeral key JNI allocation OOM"); - errorMessage = "ephemeral key JNI allocation OOM"; - } - else - { - size_t maxPlaintextLength = olm_pk_max_plaintext_length( - decryptionPtr, - (size_t)env->GetStringUTFLength(ciphertextJstring) - ); - uint8_t *plaintextPtr = NULL; - uint8_t *tempCiphertextPtr = NULL; - size_t ciphertextLength = (size_t)env->GetStringUTFLength(ciphertextJstring); - if (!(plaintextPtr = (uint8_t*)malloc(maxPlaintextLength))) - { - LOGE("## pkDecryptJni(): failure - plaintext JNI allocation OOM"); - errorMessage = "plaintext JNI allocation OOM"; - } - else if (!(tempCiphertextPtr = (uint8_t*)malloc(ciphertextLength))) - { - LOGE("## pkDecryptJni(): failure - temp ciphertext JNI allocation OOM"); - } - else - { - memcpy(tempCiphertextPtr, ciphertextPtr, ciphertextLength); - size_t plaintextLength = olm_pk_decrypt( - decryptionPtr, - ephemeralKeyPtr, (size_t)env->GetStringUTFLength(ephemeralKeyJstring), - macPtr, (size_t)env->GetStringUTFLength(macJstring), - tempCiphertextPtr, ciphertextLength, - plaintextPtr, maxPlaintextLength - ); - if (plaintextLength == olm_error()) - { - errorMessage = olm_pk_decryption_last_error(decryptionPtr); - LOGE("## pkDecryptJni(): failure - olm_pk_decrypt Msg=%s", errorMessage); - } - else - { - decryptedMsgRet = env->NewByteArray(plaintextLength); - env->SetByteArrayRegion(decryptedMsgRet, 0, plaintextLength, (jbyte*)plaintextPtr); - LOGD( - "## pkDecryptJni(): success returnedLg=%lu OK", - static_cast<long unsigned int>(plaintextLength) - ); - } - } - - if (tempCiphertextPtr) - { - free(tempCiphertextPtr); - } - if (plaintextPtr) - { - memset(plaintextPtr, 0, maxPlaintextLength); - free(plaintextPtr); - } - } - - if (ciphertextPtr) - { - env->ReleaseStringUTFChars(ciphertextJstring, ciphertextPtr); - } - if (macPtr) - { - env->ReleaseStringUTFChars(macJstring, macPtr); - } - if (ephemeralKeyPtr) - { - env->ReleaseStringUTFChars(ephemeralKeyJstring, ephemeralKeyPtr); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return decryptedMsgRet; -} - -OlmPkSigning * initializePkSigningMemory() -{ - size_t signingSize = olm_pk_signing_size(); - OlmPkSigning *signingPtr = (OlmPkSigning *)malloc(signingSize); - - if (signingPtr) - { - // init encryption object - signingPtr = olm_pk_signing(signingPtr); - LOGD( - "## initializePkSigningMemory(): success - OLM signing size=%lu", - static_cast<long unsigned int>(signingSize) - ); - } - else - { - LOGE("## initializePkSigningMemory(): failure - OOM"); - } - - return signingPtr; -} - -JNIEXPORT jlong OLM_PK_SIGNING_FUNC_DEF(createNewPkSigningJni)(JNIEnv *env, jobject thiz) -{ - const char* errorMessage = NULL; - OlmPkSigning *signingPtr = initializePkSigningMemory(); - - // init signing memory allocation - if (!signingPtr) - { - LOGE("## createNewPkSigningJni(): failure - init signing OOM"); - errorMessage = "init signing OOM"; - } - else - { - LOGD("## createNewPkSigningJni(): success - OLM signing created"); - LOGD( - "## createNewPkSigningJni(): signingPtr=%p (jlong)(intptr_t)signingPtr=%lld", - signingPtr, (jlong)(intptr_t)signingPtr - ); - } - - if (errorMessage) - { - // release the allocated data - if (signingPtr) - { - olm_clear_pk_signing(signingPtr); - free(signingPtr); - } - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return (jlong)(intptr_t)signingPtr; -} - -JNIEXPORT void OLM_PK_SIGNING_FUNC_DEF(releasePkSigningJni)(JNIEnv *env, jobject thiz) -{ - LOGD("## releasePkSigningJni(): IN"); - - OlmPkSigning* signingPtr = getPkSigningInstanceId(env, thiz); - - if (!signingPtr) - { - LOGE(" ## releasePkSigningJni(): failure - invalid Signing ptr=NULL"); - } - else - { - LOGD(" ## releasePkSigningJni(): signingPtr=%p", signingPtr); - olm_clear_pk_signing(signingPtr); - - LOGD(" ## releasePkSigningJni(): IN"); - // even if free(NULL) does not crash, logs are performed for debug - // purpose - free(signingPtr); - LOGD(" ## releasePkSigningJni(): OUT"); - } -} - -JNIEXPORT jbyteArray OLM_PK_SIGNING_FUNC_DEF(generateSeedJni)(JNIEnv *env, jobject thiz) -{ - size_t randomLength = olm_pk_signing_seed_length(); - uint8_t *randomBuffPtr = NULL; - jbyteArray randomRet = 0; - const char* errorMessage = NULL; - - if (!setRandomInBuffer(env, &randomBuffPtr, randomLength)) - { - errorMessage = "random buffer init"; - LOGE("## pkSigningGenerateSeedJni(): failure - %s", errorMessage); - } - else if (!(randomRet = env->NewByteArray(randomLength))) - { - errorMessage = "randomRet JNI allocation OOM"; - LOGE(" ## pkSigningGenerateSeedJni(): falure - %s", errorMessage); - } - else - { - env->SetByteArrayRegion( - randomRet, 0, randomLength, (jbyte*)randomBuffPtr - ); - } - - if (randomBuffPtr) - { - memset(randomBuffPtr, 0, randomLength); - free(randomBuffPtr); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return randomRet; -} - -JNIEXPORT jint OLM_PK_SIGNING_FUNC_DEF(seedLength)(JNIEnv *env, jobject thiz) -{ - return (jint) olm_pk_signing_seed_length(); -} - -JNIEXPORT jbyteArray OLM_PK_SIGNING_FUNC_DEF(setKeyFromSeedJni)(JNIEnv *env, jobject thiz, jbyteArray seed) -{ - const char* errorMessage = NULL; - OlmPkSigning *signingPtr = getPkSigningInstanceId(env, thiz); - - jbyteArray publicKeyRet = 0; - jbyte *seedPtr = NULL; - jboolean seedWasCopied = JNI_FALSE; - - if (!signingPtr) - { - errorMessage = "invalid Siging ptr=NULL"; - LOGE(" ## setPkSigningKeyFromSeedJni(): failure - %s", errorMessage); - } - else if (!seed) - { - errorMessage = "invalid seed"; - LOGE(" ## setPkSigningKeyFromSeedJni: failure - %s", errorMessage); - } - else if (!(seedPtr = env->GetByteArrayElements(seed, &seedWasCopied))) - { - errorMessage = "seed JNI allocation OOM"; - LOGE(" ## setPkSigningKeyFromSeedJni(): failure - %s", errorMessage); - } - else - { - size_t publicKeyLength = olm_pk_signing_public_key_length(); - uint8_t *publicKeyPtr = NULL; - size_t seedLength = (size_t)env->GetArrayLength(seed); - if (!(publicKeyPtr = (uint8_t*)malloc(publicKeyLength))) - { - errorMessage = "public key JNI allocation OOM"; - LOGE(" ## setPkSigningKeyFromSeedJni(): falure - %s", errorMessage); - } - else - { - size_t returnValue = olm_pk_signing_key_from_seed( - signingPtr, - publicKeyPtr, publicKeyLength, - seedPtr, seedLength - ); - if (returnValue == olm_error()) - { - errorMessage = olm_pk_signing_last_error(signingPtr); - LOGE(" ## setPkSigningKeyFromSeedJni: failure - olm_pk_signing_key_from_seed Msg=%s", errorMessage); - } - else - { - if (!(publicKeyRet = env->NewByteArray(publicKeyLength))) { - errorMessage = "publicKeyRet JNI allocation OOM"; - LOGE(" ## setPkSigningKeyFromSeedJni(): falure - %s", errorMessage); - } else { - env->SetByteArrayRegion( - publicKeyRet, 0, publicKeyLength, (jbyte*)publicKeyPtr - ); - } - } - } - } - - if (seedPtr) - { - if (seedWasCopied) - { - memset(seedPtr, 0, (size_t)env->GetArrayLength(seed)); - } - env->ReleaseByteArrayElements(seed, seedPtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return publicKeyRet; -} - -JNIEXPORT jbyteArray OLM_PK_SIGNING_FUNC_DEF(pkSignJni)(JNIEnv *env, jobject thiz, jbyteArray aMessage) -{ - const char* errorMessage = NULL; - OlmPkSigning *signingPtr = getPkSigningInstanceId(env, thiz); - - jbyteArray signatureRet = 0; - jbyte *messagePtr = NULL; - jboolean messageWasCopied = JNI_FALSE; - - if (!signingPtr) - { - errorMessage = "invalid Siging ptr=NULL"; - LOGE(" ## setPkSignJni(): failure - %s", errorMessage); - } - else if (!aMessage) - { - errorMessage = "message seed"; - LOGE(" ## setPkSignJni: failure - %s", errorMessage); - } - else if (!(messagePtr = env->GetByteArrayElements(aMessage, &messageWasCopied))) - { - errorMessage = "message JNI allocation OOM"; - LOGE(" ## setPkSignJni(): failure - %s", errorMessage); - } - else - { - size_t signatureLength = olm_pk_signature_length(); - uint8_t *signaturePtr = NULL; - size_t messageLength = (size_t)env->GetArrayLength(aMessage); - if (!(signaturePtr = (uint8_t*)malloc(signatureLength))) - { - errorMessage = "signature JNI allocation OOM"; - LOGE(" ## setPkSignJni(): falure - %s", errorMessage); - } - else - { - size_t returnValue = olm_pk_sign( - signingPtr, - (uint8_t *)messagePtr, messageLength, - signaturePtr, signatureLength - ); - if (returnValue == olm_error()) - { - errorMessage = olm_pk_signing_last_error(signingPtr); - LOGE(" ## setPkSignJni: failure - olm_pk_sign Msg=%s", errorMessage); - } - else - { - if (!(signatureRet = env->NewByteArray(signatureLength))) { - errorMessage = "signatureRet JNI allocation OOM"; - LOGE(" ## setPkSignJni(): falure - %s", errorMessage); - } else { - env->SetByteArrayRegion( - signatureRet, 0, signatureLength, (jbyte*)signaturePtr - ); - } - } - } - } - - if (messagePtr) - { - if (messageWasCopied) - { - memset(messagePtr, 0, (size_t)env->GetArrayLength(aMessage)); - } - env->ReleaseByteArrayElements(aMessage, messagePtr, JNI_ABORT); - } - - if (errorMessage) - { - env->ThrowNew(env->FindClass("java/lang/Exception"), errorMessage); - } - - return signatureRet; -} |