diff options
Diffstat (limited to '')
| -rw-r--r-- | src/cz/crcs/ectester/applet/AppletBase.java | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/src/cz/crcs/ectester/applet/AppletBase.java b/src/cz/crcs/ectester/applet/AppletBase.java index 6db2254..4669352 100644 --- a/src/cz/crcs/ectester/applet/AppletBase.java +++ b/src/cz/crcs/ectester/applet/AppletBase.java @@ -76,7 +76,7 @@ public abstract class AppletBase extends Applet { public static final byte[] VERSION = {'v', '0', '.', '3', '.', '3'}; public static final short ARRAY_LENGTH = 0x100; - public static final short APDU_MAX_LENGTH = 1024; + public static final short APDU_MAX_LENGTH = 1024;//512 // TEMPORARRY ARRAY IN RAM byte[] ramArray = null; @@ -105,11 +105,50 @@ public abstract class AppletBase extends Applet { */ short resetMemory = JCSystem.getAvailableMemory(JCSystem.MEMORY_TYPE_TRANSIENT_RESET); short deselectMemory = JCSystem.getAvailableMemory(JCSystem.MEMORY_TYPE_TRANSIENT_DESELECT); - byte memoryType = (resetMemory >= deselectMemory) ? JCSystem.CLEAR_ON_RESET : JCSystem.CLEAR_ON_DESELECT; - - ramArray = JCSystem.makeTransientByteArray(ARRAY_LENGTH, memoryType); - ramArray2 = JCSystem.makeTransientByteArray(ARRAY_LENGTH, memoryType); - apduArray = JCSystem.makeTransientByteArray(APDU_MAX_LENGTH, memoryType); + short bigMem; + short smallMem; + byte bigMemType; + byte smallMemType; + if (resetMemory >= deselectMemory) { + bigMem = resetMemory; + smallMem = deselectMemory; + bigMemType = JCSystem.CLEAR_ON_RESET; + smallMemType = JCSystem.CLEAR_ON_DESELECT; + } else { + bigMem = deselectMemory; + smallMem = resetMemory; + bigMemType = JCSystem.CLEAR_ON_DESELECT; + smallMemType = JCSystem.CLEAR_ON_RESET; + } + short[] lensBig = new short[]{APDU_MAX_LENGTH + 2 * ARRAY_LENGTH, APDU_MAX_LENGTH + ARRAY_LENGTH, APDU_MAX_LENGTH,}; + short[] lensSmall = new short[]{0, ARRAY_LENGTH, 2 * ARRAY_LENGTH}; + byte[] allocsBig = new byte[]{0x07, 0x03, 0x01}; + boolean done = false; + for (short i = 0; i < 3; ++i) { + if (lensBig[i] <= bigMem && lensSmall[i] <= smallMem) { + byte allocI = 1; + while (allocI < 0x08) { + byte type = ((allocI & allocsBig[i]) != 0) ? bigMemType : smallMemType; + switch (allocI) { + case 0x01: + apduArray = JCSystem.makeTransientByteArray(APDU_MAX_LENGTH, type); + break; + case 0x02: + ramArray = JCSystem.makeTransientByteArray(ARRAY_LENGTH, type); + break; + case 0x04: + ramArray2 = JCSystem.makeTransientByteArray(ARRAY_LENGTH, type); + break; + } + allocI = (byte) (allocI << 1); + } + done = true; + break; + } + } + if (!done) { + ISOException.throwIt((short) 0x6a84); + } randomData = RandomData.getInstance(RandomData.ALG_SECURE_RANDOM); EC_Consts.randomData = randomData; |