taigrr/arduinolibs
1
0
Fork 0
mirror of https://github.com/taigrr/arduinolibs synced 2025-01-18 04:33:12 -08:00
Code Issues Projects Releases Wiki Activity

Speed up GHASH with AVR assembly code

Browse Source 
Also split the Galois operations off into a separate GF128 class.
This commit is contained in:
Rhys Weatherley
2016-02-07 13:30:21 +10:00
parent 2decb74161
commit 21ac06136a
9 changed files with 614 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
libraries/Crypto/examples/TestEAX/TestEAX.ino
View File

@@ -233,6 +233,7 @@ static TestVector const testVectorEAX10 PROGMEM = {
TestVector testVector;
EAX<AES128> *eax;
EAX<AES256> *eax256;
EAX<Speck> *eaxSpeck;
EAX<SpeckLowMemory> *eaxSpeckLowMemory;
@@ -353,7 +354,7 @@ void perfCipherSetKey(AuthenticatedCipher *cipher, const struct TestVector *test
start = micros();
for (count = 0; count < 1000; ++count) {
cipher->setKey(test->key, 16);
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
}
elapsed = micros() - start;
@@ -378,7 +379,7 @@ void perfCipherEncrypt(AuthenticatedCipher *cipher, const struct TestVector *tes
Serial.print(test->name);
Serial.print(" Encrypt ... ");
cipher->setKey(test->key, 16);
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 500; ++count) {
@@ -406,7 +407,7 @@ void perfCipherDecrypt(AuthenticatedCipher *cipher, const struct TestVector *tes
Serial.print(test->name);
Serial.print(" Decrypt ... ");
cipher->setKey(test->key, 16);
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 500; ++count) {
@@ -434,7 +435,7 @@ void perfCipherAddAuthData(AuthenticatedCipher *cipher, const struct TestVector
Serial.print(test->name);
Serial.print(" AddAuthData ... ");
cipher->setKey(test->key, 16);
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
memset(buffer, 0xBA, 128);
@@ -463,7 +464,7 @@ void perfCipherComputeTag(AuthenticatedCipher *cipher, const struct TestVector *
Serial.print(test->name);
Serial.print(" ComputeTag ... ");
cipher->setKey(test->key, 16);
cipher->setKey(test->key, cipher->keySize());
cipher->setIV(test->iv, test->ivsize);
start = micros();
for (count = 0; count < 1000; ++count) {
@@ -495,6 +496,8 @@ void setup()
Serial.println("State Sizes:");
Serial.print("EAX<AES128> ... ");
Serial.println(sizeof(*eax));
Serial.print("EAX<AES256> ... ");
Serial.println(sizeof(*eax256));
Serial.print("EAX<Speck> ... ");
Serial.println(sizeof(*eaxSpeck));
Serial.print("EAX<SpeckLowMemory> ... ");
@@ -520,6 +523,10 @@ void setup()
perfCipher(eax, &testVectorEAX1, "AES-128");
Serial.println();
delete eax;
eax256 = new EAX<AES256>();
perfCipher(eax, &testVectorEAX1, "AES-256");
Serial.println();
delete eax256;
eaxSpeck = new EAX<Speck>();
perfCipher(eaxSpeck, &testVectorEAX1, "Speck");
Serial.println();