gcm tests ok

mbed_aes_gcm/.gitignore

 out.dSYM
 out
 *.o
+gcm

mbed_aes_gcm/Makefile

 CC=gcc
-NISTGCCFLAGS=-std=c99 -Wall -Wextra -Wshadow -O2 
+NISTGCCFLAGS=-std=c99 -Wall -Wextra -Wshadow -fsanitize=address,undefined -O2
+
 LFLAGS=-lm
 
 all: gcm
@@ -10,5 +11,6 @@ gcm: gcm.c genkat_aead.c aes.c cipher.c cipher_wrap.c platform.c platform_util.c
 .PHONY: clean
 
 clean:
+	rm -rf *.o
 	rm -rf gcm
 

mbed_aes_gcm/gcm.c

@@ -111,6 +111,7 @@ int crypto_aead_encrypt(
       const unsigned char *k
       )
 {
+  (void) nsec;
   mbedtls_gcm_context ctx;
   int ret;
   unsigned long long mask = 15;
@@ -135,6 +136,7 @@ int crypto_aead_decrypt(
   const unsigned char *k
 )
 {
+  (void) nsec;
   mbedtls_gcm_context ctx;
   int ret;
   unsigned char tag_buf[CRYPTO_ABYTES];

mbed_aes_gcm/genkat_aead.c

@@ -73,6 +73,7 @@ int generate_test_vectors()
 	unsigned char       key[CRYPTO_KEYBYTES];
 	unsigned char		nonce[CRYPTO_NPUBBYTES];
 	unsigned char       msg[MAX_MESSAGE_LENGTH];
+	unsigned char       msgbuf[MAX_MESSAGE_LENGTH];
 	unsigned char       ct[MAX_MESSAGE_LENGTH + CRYPTO_ABYTES];
 	unsigned char       msg2[MAX_MESSAGE_LENGTH];
 	unsigned char		ad[MAX_ASSOCIATED_DATA_LENGTH];
@@ -103,11 +104,16 @@ int generate_test_vectors()
 
 			fprint_bstr(fp, "Nonce = ", nonce, CRYPTO_NPUBBYTES);
 		
-			fprint_bstr(fp, "PT = ", msg, mlen);
+			unsigned long long mlenp = ((mlen + 15) >> 4) << 4;
+
+			memset(msgbuf, 0, mlenp);
+			memcpy(msgbuf, msg, mlen);
+
+			fprint_bstr(fp, "PT = ", msgbuf, mlenp);
 
 			fprint_bstr(fp, "AD = ", ad, adlen);
 
-			if ((func_ret = crypto_aead_encrypt(ct, &clen, msg, mlen, ad, adlen, NULL, nonce, key)) != 0) {
+			if ((func_ret = crypto_aead_encrypt(ct, &clen, msgbuf, mlenp, ad, adlen, NULL, nonce, key)) != 0) {
 				fprintf(fp, "crypto_aead_encrypt returned <%d>\n", func_ret);
 				ret_val = KAT_CRYPTO_FAILURE;
 				break;
@@ -125,13 +131,13 @@ int generate_test_vectors()
 				break;
 			}
 
-			if (mlen != mlen2) {
-				fprintf(fp, "crypto_aead_decrypt returned bad 'mlen': Got <%llu>, expected <%llu>\n", mlen2, mlen);
+			if (mlenp != mlen2) {
+				fprintf(fp, "crypto_aead_decrypt returned bad 'mlen': Got <%llu>, expected <%llu>\n", mlen2, mlenp);
 				ret_val = KAT_CRYPTO_FAILURE;
 				break;
 			}
 
-			if (memcmp(msg, msg2, mlen)) {
+			if (memcmp(msgbuf, msg2, mlenp)) {
 				fprintf(fp, "crypto_aead_decrypt did not recover the plaintext\n");
 				ret_val = KAT_CRYPTO_FAILURE;
 				break;