GuillaumeHemmen/spectre-cli
1
0
Fork 0
mirror of https://gitlab.com/spectre.app/cli.git synced 2024-11-01 10:51:44 +01:00
Code Issues Projects Releases Packages Wiki Activity

Initial integration of JNI with C implementation.

Browse source
This commit is contained in:
Maarten Billemont 2018-05-28 23:00:05 -04:00
parent 86f107dafc
commit 81f7616bd0
6 changed files with 25 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/mpw-algorithm_v0.c
View file

@ -70,7 +70,8 @@ static MPMasterKey mpw_masterKey_v0(
// Calculate the master key.
trc( "masterKey: scrypt( masterPassword, masterKeySalt, N=%lu, r=%u, p=%u )", MP_N, MP_r, MP_p );
MPMasterKey masterKey = mpw_kdf_scrypt( MPMasterKeySize, masterPassword, masterKeySalt, masterKeySaltSize, MP_N, MP_r, MP_p );
MPMasterKey masterKey = mpw_kdf_scrypt( MPMasterKeySize,
(uint8_t *)masterPassword, strlen( masterPassword ), masterKeySalt, masterKeySaltSize, MP_N, MP_r, MP_p );
mpw_free( &masterKeySalt, masterKeySaltSize );
if (!masterKey) {
err( "Could not derive master key: %s", strerror( errno ) );

3
src/mpw-algorithm_v3.c
View file

@ -62,7 +62,8 @@ static MPMasterKey mpw_masterKey_v3(
// Calculate the master key.
trc( "masterKey: scrypt( masterPassword, masterKeySalt, N=%lu, r=%u, p=%u )", MP_N, MP_r, MP_p );
MPMasterKey masterKey = mpw_kdf_scrypt( MPMasterKeySize, masterPassword, masterKeySalt, masterKeySaltSize, MP_N, MP_r, MP_p );
MPMasterKey masterKey = mpw_kdf_scrypt( MPMasterKeySize,
(uint8_t *)masterPassword, strlen( masterPassword ), masterKeySalt, masterKeySaltSize, MP_N, MP_r, MP_p );
mpw_free( &masterKeySalt, masterKeySaltSize );
if (!masterKey) {
err( "Could not derive master key: %s", strerror( errno ) );

18
src/mpw-jni.c
View file

@ -1,8 +1,22 @@
#include <string.h>
#include "mpw-jni.h"
#include "mpw-util.h"
/** native int _scrypt(byte[] passwd, int passwdlen, byte[] salt, int saltlen, int N, int r, int p, byte[] buf, int buflen); */
JNIEXPORT jint JNICALL Java_com_lyndir_masterpassword_impl_MPAlgorithmV0__1scrypt(JNIEnv *env, jobject obj,
jbyteArray passwd, jint passwdlen, jbyteArray salt, jint saltlen, jint N, jint r, jint p, jbyteArray buf, jint buflen) {
jbyteArray passwd, jint passwdlen, jbyteArray salt, jint saltlen, jint N, jint r, jint p, jbyteArray buf, jint buflen) {
return -2;
jbyte *passwdBytes = (*env)->GetByteArrayElements( env, passwd, NULL );
jbyte *saltBytes = (*env)->GetByteArrayElements( env, salt, NULL );
const uint8_t *key = mpw_kdf_scrypt( (size_t)buflen, (uint8_t *)passwdBytes, (size_t)passwdlen, (uint8_t *)saltBytes, (size_t)saltlen,
(uint64_t)N, (uint32_t)r, (uint32_t)p );
(*env)->ReleaseByteArrayElements( env, passwd, passwdBytes, JNI_ABORT );
(*env)->ReleaseByteArrayElements( env, salt, saltBytes, JNI_ABORT );
if (!key)
return ERR;
memcpy( buf, key, buflen );
return OK;
}

1
src/mpw-jni.h
View file

@ -1,4 +1,5 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#undef __cplusplus
#include <jni.h>
/* Header for class com_lyndir_masterpassword_impl_MPAlgorithmV0 */

6
src/mpw-util.c
View file

@ -169,10 +169,10 @@ bool __mpw_free_strings(char **strings, ...) {
return success;
}
uint8_t const *mpw_kdf_scrypt(const size_t keySize, const char *secret, const uint8_t *salt, const size_t saltSize,
uint8_t const *mpw_kdf_scrypt(const size_t keySize, const uint8_t *secret, const size_t secretSize, const uint8_t *salt, const size_t saltSize,
uint64_t N, uint32_t r, uint32_t p) {
if (!secret || !salt)
if (!secret || !salt || !secretSize || !saltSize)
return NULL;
uint8_t *key = malloc( keySize );
@ -185,7 +185,7 @@ uint8_t const *mpw_kdf_scrypt(const size_t keySize, const char *secret, const ui
return NULL;
}
#elif MPW_SODIUM
if (crypto_pwhash_scryptsalsa208sha256_ll( (const uint8_t *)secret, strlen( secret ), salt, saltSize, N, r, p, key, keySize ) != 0) {
if (crypto_pwhash_scryptsalsa208sha256_ll( secret, secretSize, salt, saltSize, N, r, p, key, keySize ) != 0) {
mpw_free( &key, keySize );
return NULL;
}

2
src/mpw-util.h
View file

@ -156,7 +156,7 @@ bool __mpw_free_strings(
/** Derive a key from the given secret and salt using the scrypt KDF.
* @return A new keySize allocated buffer containing the key. */
uint8_t const *mpw_kdf_scrypt(
const size_t keySize, const char *secret, const uint8_t *salt, const size_t saltSize,
const size_t keySize, const uint8_t *secret, const size_t secretSize, const uint8_t *salt, const size_t saltSize,
uint64_t N, uint32_t r, uint32_t p);
/** Derive a subkey from the given key using the blake2b KDF.
* @return A new keySize allocated buffer containing the key. */