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Small cleanup and bugfix

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This commit is contained in:
Cameron Gutman 2021-04-17 20:24:43 -05:00
parent 98d7ceecf7
commit efaeade7a6
2 changed files with 2 additions and 5 deletions
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5
src/PlatformCrypto.c
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@ -34,13 +34,11 @@ bool PltEncryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm,
switch (algorithm) {
case ALGORITHM_AES_CBC:
LC_ASSERT(keyLength == 16);
LC_ASSERT(tag == NULL);
LC_ASSERT(tagLength == 0);
cipherMode = MBEDTLS_MODE_CBC;
break;
case ALGORITHM_AES_GCM:
LC_ASSERT(keyLength == 16);
LC_ASSERT(tag != NULL);
LC_ASSERT(tagLength > 0);
cipherMode = MBEDTLS_MODE_GCM;
@ -164,13 +162,11 @@ bool PltDecryptMessage(PPLT_CRYPTO_CONTEXT ctx, int algorithm,
switch (algorithm) {
case ALGORITHM_AES_CBC:
LC_ASSERT(keyLength == 16);
LC_ASSERT(tag == NULL);
LC_ASSERT(tagLength == 0);
cipherMode = MBEDTLS_MODE_CBC;
break;
case ALGORITHM_AES_GCM:
LC_ASSERT(keyLength == 16);
LC_ASSERT(tag != NULL);
LC_ASSERT(tagLength > 0);
cipherMode = MBEDTLS_MODE_GCM;
@ -314,6 +310,7 @@ void PltDestroyCryptoContext(PPLT_CRYPTO_CONTEXT ctx) {
void PltGenerateRandomData(unsigned char* data, int length) {
#ifdef USE_MBEDTLS
// FIXME: This is not thread safe...
if (!RandomStateInitialized) {
mbedtls_entropy_init(&EntropyContext);
mbedtls_ctr_drbg_init(&CtrDrbgContext);

2
src/PlatformCrypto.h
View File

@ -21,7 +21,7 @@ typedef struct _PLT_CRYPTO_CONTEXT {
#define ROUND_TO_PKCS7_PADDED_LEN(x) ((((x) + 15) / 16) * 16)
PPLT_CRYPTO_CONTEXT PltCreateCryptoContext();
PPLT_CRYPTO_CONTEXT PltCreateCryptoContext(void);
void PltDestroyCryptoContext(PPLT_CRYPTO_CONTEXT ctx);
#define ALGORITHM_AES_CBC 1