From ffb3e747f8b50ca18701530d1729a4ee3aa4ae69 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Sat, 24 Jul 2010 13:43:43 +0200
Subject: Added a support for reading session data directly from userspace.

---
 examples/Makefile     |   8 +-
 examples/ncr-direct.c | 443 ++++++++++++++++++++++++++++++++++++++++++++++++++
 examples/ncr.c        |  15 +-
 examples/pk.c         |  30 ++--
 examples/speed.c      |   5 +-
 5 files changed, 479 insertions(+), 22 deletions(-)
 create mode 100644 examples/ncr-direct.c

(limited to 'examples')

diff --git a/examples/Makefile b/examples/Makefile
index c65297f..f482649 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -1,7 +1,7 @@
 CC = gcc
 CFLAGS = -Wall -g -O2
 
-progs := cipher hmac ncr pk speed
+progs := cipher hmac ncr pk speed ncr-direct
 
 all: $(progs)
 
@@ -17,15 +17,19 @@ hmac: hmac.c
 ncr: ncr.c
 	$(CC) $(CFLAGS) $< -o $@
 
+ncr-direct: ncr-direct.c
+	$(CC) $(CFLAGS) $< -o $@
+
 pk: pk.c
 	$(CC) $(CFLAGS) $< -o $@ -L/usr/local/lib -lgnutls
 
 check: $(progs)
 	./ncr
+	./ncr-direct
 	./pk
 	./cipher
 	./hmac
 	./speed
 
 clean:
-	rm -f *.o *~ hmac cipher ncr pk speed
+	rm -f *.o *~ hmac cipher ncr pk speed ncr-direct
diff --git a/examples/ncr-direct.c b/examples/ncr-direct.c
new file mode 100644
index 0000000..0908e2c
--- /dev/null
+++ b/examples/ncr-direct.c
@@ -0,0 +1,443 @@
+/*
+ * Demo on how to use /dev/crypto device for HMAC.
+ *
+ * Placed under public domain.
+ *
+ */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "../ncr.h"
+#include <stdlib.h>
+
+#define DATA_SIZE 4096
+#define KEY_DATA_SIZE 16
+
+
+struct aes_vectors_st {
+	const uint8_t* key;
+	const uint8_t* plaintext;
+	const uint8_t* ciphertext;
+} aes_vectors[] = {
+	{
+		.key = (uint8_t*)"\xc0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.plaintext = (uint8_t*)"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.ciphertext = (uint8_t*)"\x4b\xc3\xf8\x83\x45\x0c\x11\x3c\x64\xca\x42\xe1\x11\x2a\x9e\x87",
+	},
+	{
+		.key = (uint8_t*)"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.plaintext = (uint8_t*)"\xf3\x44\x81\xec\x3c\xc6\x27\xba\xcd\x5d\xc3\xfb\x08\xf2\x73\xe6",
+		.ciphertext = (uint8_t*)"\x03\x36\x76\x3e\x96\x6d\x92\x59\x5a\x56\x7c\xc9\xce\x53\x7f\x5e",
+	},
+	{
+		.key = (uint8_t*)"\x10\xa5\x88\x69\xd7\x4b\xe5\xa3\x74\xcf\x86\x7c\xfb\x47\x38\x59",
+		.plaintext = (uint8_t*)"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.ciphertext = (uint8_t*)"\x6d\x25\x1e\x69\x44\xb0\x51\xe0\x4e\xaa\x6f\xb4\xdb\xf7\x84\x65",
+	},
+	{
+		.key = (uint8_t*)"\xca\xea\x65\xcd\xbb\x75\xe9\x16\x9e\xcd\x22\xeb\xe6\xe5\x46\x75",
+		.plaintext = (uint8_t*)"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.ciphertext = (uint8_t*)"\x6e\x29\x20\x11\x90\x15\x2d\xf4\xee\x05\x81\x39\xde\xf6\x10\xbb",
+	},
+	{
+		.key = (uint8_t*)"\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe",
+		.plaintext = (uint8_t*)"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+		.ciphertext = (uint8_t*)"\x9b\xa4\xa9\x14\x3f\x4e\x5d\x40\x48\x52\x1c\x4f\x88\x77\xd8\x8e",
+	},
+};
+
+/* AES cipher */
+static int
+test_ncr_aes(int cfd)
+{
+	struct ncr_data_init_st dinit;
+	ncr_key_t key;
+	struct ncr_key_data_st keydata;
+	struct ncr_data_st kdata;
+	ncr_data_t dd, dd2;
+	uint8_t data[KEY_DATA_SIZE];
+	int i, j;
+	struct ncr_session_once_op_st nop;
+
+	dinit.max_object_size = KEY_DATA_SIZE;
+	dinit.flags = NCR_DATA_FLAG_EXPORTABLE;
+	dinit.initial_data = NULL;
+	dinit.initial_data_size = 0;
+
+	if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) {
+		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+		perror("ioctl(NCRIO_DATA_INIT)");
+		return 1;
+	}
+
+	dd = dinit.desc;
+
+	if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) {
+		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+		perror("ioctl(NCRIO_DATA_INIT)");
+		return 1;
+	}
+
+	dd2 = dinit.desc;
+
+	/* convert it to key */
+	if (ioctl(cfd, NCRIO_KEY_INIT, &key)) {
+		perror("ioctl(NCRIO_KEY_INIT)");
+		return 1;
+	}
+
+	keydata.key_id[0] = 'a';
+	keydata.key_id[2] = 'b';
+	keydata.key_id_size = 2;
+	keydata.type = NCR_KEY_TYPE_SECRET;
+	keydata.algorithm = NCR_ALG_AES_CBC;
+	keydata.flags = NCR_KEY_FLAG_EXPORTABLE;
+	
+
+	fprintf(stdout, "Tests on AES Encryption\n");
+	for (i=0;i<sizeof(aes_vectors)/sizeof(aes_vectors[0]);i++) {
+
+		/* import key */
+		kdata.data = (void*)aes_vectors[i].key;
+		kdata.data_size = 16;
+		kdata.desc = dd;
+
+		if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_DATA_SET)");
+			return 1;
+		}
+
+		keydata.key = key;
+		keydata.data = dd;
+		if (ioctl(cfd, NCRIO_KEY_IMPORT, &keydata)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_KEY_IMPORT)");
+			return 1;
+		}
+
+		/* encrypt */
+		memset(&nop, 0, sizeof(nop));
+		nop.init.algorithm = NCR_ALG_AES_ECB;
+		nop.init.key = key;
+		nop.init.op = NCR_OP_ENCRYPT;
+		nop.op.data.udata.input = (void*)aes_vectors[i].plaintext;
+		nop.op.data.udata.input_size = 16;
+		nop.op.data.udata.output = data;
+		nop.op.data.udata.output_size = sizeof(data);
+		nop.op.type = NCR_DIRECT_DATA;
+
+		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_SESSION_ONCE)");
+			return 1;
+		}
+
+		/* verify */
+
+		if (nop.op.data.udata.output_size != 16 || memcmp(data, aes_vectors[i].ciphertext, 16) != 0) {
+			fprintf(stderr, "AES test vector %d failed!\n", i);
+
+			fprintf(stderr, "Cipher[%d]: ", (int)nop.op.data.udata.output_size);
+			for(j=0;j<nop.op.data.udata.output_size;j++)
+			  fprintf(stderr, "%.2x:", (int)data[j]);
+			fprintf(stderr, "\n");
+
+			fprintf(stderr, "Expected[%d]: ", 16);
+			for(j=0;j<16;j++)
+			  fprintf(stderr, "%.2x:", (int)aes_vectors[i].ciphertext[j]);
+			fprintf(stderr, "\n");
+			return 1;
+		}
+	}
+
+	fprintf(stdout, "Tests on AES Decryption\n");
+	for (i=0;i<sizeof(aes_vectors)/sizeof(aes_vectors[0]);i++) {
+
+		/* import key */
+		kdata.data = (void*)aes_vectors[i].key;
+		kdata.data_size = 16;
+		kdata.desc = dd;
+
+		if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_DATA_SET)");
+			return 1;
+		}
+
+		keydata.key = key;
+		keydata.data = dd;
+		if (ioctl(cfd, NCRIO_KEY_IMPORT, &keydata)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_KEY_IMPORT)");
+			return 1;
+		}
+
+
+		/* decrypt */
+		memset(&nop, 0, sizeof(nop));
+		nop.init.algorithm = NCR_ALG_AES_ECB;
+		nop.init.key = key;
+		nop.init.op = NCR_OP_DECRYPT;
+		nop.op.data.udata.input = (void*)aes_vectors[i].ciphertext;
+		nop.op.data.udata.input_size = 16;
+		nop.op.data.udata.output = data;
+		nop.op.data.udata.output_size = sizeof(data);
+		nop.op.type = NCR_DIRECT_DATA;
+
+		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_SESSION_ONCE)");
+			return 1;
+		}
+
+		if (nop.op.data.udata.output_size != 16 || memcmp(data, aes_vectors[i].plaintext, 16) != 0) {
+			fprintf(stderr, "AES test vector %d failed!\n", i);
+
+			fprintf(stderr, "Plain[%d]: ", (int)nop.op.data.udata.output_size);
+			for(j=0;j<nop.op.data.udata.output_size;j++)
+			  fprintf(stderr, "%.2x:", (int)data[j]);
+			fprintf(stderr, "\n");
+
+			fprintf(stderr, "Expected[%d]: ", 16);
+			for(j=0;j<16;j++)
+			  fprintf(stderr, "%.2x:", (int)aes_vectors[i].plaintext[j]);
+			fprintf(stderr, "\n");
+			return 1;
+		}
+	}
+
+
+	fprintf(stdout, "\n");
+
+	return 0;
+
+}
+
+struct hash_vectors_st {
+	const char* name;
+	ncr_algorithm_t algorithm;
+	const uint8_t* key; /* if hmac */
+	int key_size;
+	const uint8_t* plaintext;
+	int plaintext_size;
+	const uint8_t* output;
+	int output_size;
+	ncr_crypto_op_t op;
+} hash_vectors[] = {
+	{
+		.name = "SHA1",
+		.algorithm = NCR_ALG_SHA1,
+		.key = NULL,
+		.plaintext = (uint8_t*)"what do ya want for nothing?",
+		.plaintext_size = sizeof("what do ya want for nothing?")-1,
+		.output = (uint8_t*)"\x8f\x82\x03\x94\xf9\x53\x35\x18\x20\x45\xda\x24\xf3\x4d\xe5\x2b\xf8\xbc\x34\x32",
+		.output_size = 20,
+		.op = NCR_OP_SIGN,
+	},
+	{
+		.name = "HMAC-MD5",
+		.algorithm = NCR_ALG_HMAC_MD5,
+		.key = (uint8_t*)"Jefe",
+		.key_size = 4,
+		.plaintext = (uint8_t*)"what do ya want for nothing?",
+		.plaintext_size = sizeof("what do ya want for nothing?")-1,
+		.output = (uint8_t*)"\x75\x0c\x78\x3e\x6a\xb0\xb5\x03\xea\xa8\x6e\x31\x0a\x5d\xb7\x38",
+		.output_size = 16,
+		.op = NCR_OP_SIGN,
+	},
+	/* from rfc4231 */
+	{
+		.name = "HMAC-SHA224",
+		.algorithm = NCR_ALG_HMAC_SHA2_224,
+		.key = (uint8_t*)"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
+		.key_size = 20,
+		.plaintext = (uint8_t*)"Hi There",
+		.plaintext_size = sizeof("Hi There")-1,
+		.output = (uint8_t*)"\x89\x6f\xb1\x12\x8a\xbb\xdf\x19\x68\x32\x10\x7c\xd4\x9d\xf3\x3f\x47\xb4\xb1\x16\x99\x12\xba\x4f\x53\x68\x4b\x22",
+		.output_size = 28,
+		.op = NCR_OP_SIGN,
+	},
+	{
+		.name = "HMAC-SHA256",
+		.algorithm = NCR_ALG_HMAC_SHA2_256,
+		.key = (uint8_t*)"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
+		.key_size = 20,
+		.plaintext = (uint8_t*)"Hi There",
+		.plaintext_size = sizeof("Hi There")-1,
+		.output = (uint8_t*)"\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7",
+		.output_size = 32,
+		.op = NCR_OP_SIGN,
+	},
+	{
+		.name = "HMAC-SHA384",
+		.algorithm = NCR_ALG_HMAC_SHA2_384,
+		.key = (uint8_t*)"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
+		.key_size = 20,
+		.plaintext = (uint8_t*)"Hi There",
+		.plaintext_size = sizeof("Hi There")-1,
+		.output = (uint8_t*)"\xaf\xd0\x39\x44\xd8\x48\x95\x62\x6b\x08\x25\xf4\xab\x46\x90\x7f\x15\xf9\xda\xdb\xe4\x10\x1e\xc6\x82\xaa\x03\x4c\x7c\xeb\xc5\x9c\xfa\xea\x9e\xa9\x07\x6e\xde\x7f\x4a\xf1\x52\xe8\xb2\xfa\x9c\xb6",
+		.output_size = 48,
+		.op = NCR_OP_SIGN,
+	},
+	{
+		.name = "HMAC-SHA512",
+		.algorithm = NCR_ALG_HMAC_SHA2_512,
+		.key = (uint8_t*)"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
+		.key_size = 20,
+		.plaintext = (uint8_t*)"Hi There",
+		.plaintext_size = sizeof("Hi There")-1,
+		.output = (uint8_t*)"\x87\xaa\x7c\xde\xa5\xef\x61\x9d\x4f\xf0\xb4\x24\x1a\x1d\x6c\xb0\x23\x79\xf4\xe2\xce\x4e\xc2\x78\x7a\xd0\xb3\x05\x45\xe1\x7c\xde\xda\xa8\x33\xb7\xd6\xb8\xa7\x02\x03\x8b\x27\x4e\xae\xa3\xf4\xe4\xbe\x9d\x91\x4e\xeb\x61\xf1\x70\x2e\x69\x6c\x20\x3a\x12\x68\x54",
+		.output_size = 64,
+		.op = NCR_OP_SIGN,
+	},
+};
+
+#define HASH_DATA_SIZE 64
+
+/* SHA1 and other hashes */
+static int
+test_ncr_hash(int cfd)
+{
+	struct ncr_data_init_st dinit;
+	ncr_key_t key;
+	struct ncr_key_data_st keydata;
+	struct ncr_data_st kdata;
+	ncr_data_t dd, dd2;
+	uint8_t data[HASH_DATA_SIZE];
+	int i, j;
+	struct ncr_session_once_op_st nop;
+
+	dinit.max_object_size = HASH_DATA_SIZE;
+	dinit.flags = NCR_DATA_FLAG_EXPORTABLE;
+	dinit.initial_data = NULL;
+	dinit.initial_data_size = 0;
+
+	if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) {
+		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+		perror("ioctl(NCRIO_DATA_INIT)");
+		return 1;
+	}
+
+	dd = dinit.desc;
+
+	if (ioctl(cfd, NCRIO_DATA_INIT, &dinit)) {
+		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+		perror("ioctl(NCRIO_DATA_INIT)");
+		return 1;
+	}
+
+	dd2 = dinit.desc;
+
+	/* convert it to key */
+	if (ioctl(cfd, NCRIO_KEY_INIT, &key)) {
+		perror("ioctl(NCRIO_KEY_INIT)");
+		return 1;
+	}
+
+	keydata.key_id[0] = 'a';
+	keydata.key_id[2] = 'b';
+	keydata.key_id_size = 2;
+	keydata.type = NCR_KEY_TYPE_SECRET;
+	keydata.algorithm = NCR_ALG_AES_CBC;
+	keydata.flags = NCR_KEY_FLAG_EXPORTABLE;
+	
+
+	fprintf(stdout, "Tests on Hashes\n");
+	for (i=0;i<sizeof(hash_vectors)/sizeof(hash_vectors[0]);i++) {
+
+		fprintf(stdout, "\t%s:\n", hash_vectors[i].name);
+		/* import key */
+		if (hash_vectors[i].key != NULL) {
+			kdata.data = (void*)hash_vectors[i].key;
+			kdata.data_size = hash_vectors[i].key_size;
+			kdata.desc = dd;
+
+			if (ioctl(cfd, NCRIO_DATA_SET, &kdata)) {
+				fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+				perror("ioctl(NCRIO_DATA_SET)");
+				return 1;
+			}
+
+			keydata.key = key;
+			keydata.data = dd;
+			if (ioctl(cfd, NCRIO_KEY_IMPORT, &keydata)) {
+				fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+				perror("ioctl(NCRIO_KEY_IMPORT)");
+				return 1;
+			}
+		}
+
+		/* encrypt */
+		memset(&nop, 0, sizeof(nop));
+		nop.init.algorithm = hash_vectors[i].algorithm;
+		if (hash_vectors[i].key != NULL)
+			nop.init.key = key;
+		nop.init.op = hash_vectors[i].op;
+		nop.op.data.udata.input =  (void*)hash_vectors[i].plaintext;
+		nop.op.data.udata.input_size = hash_vectors[i].plaintext_size;
+		nop.op.data.udata.output = data;
+		nop.op.data.udata.output_size = sizeof(data);
+		nop.op.type = NCR_DIRECT_DATA;
+
+		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
+			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
+			perror("ioctl(NCRIO_SESSION_ONCE)");
+			return 1;
+		}
+
+		if (nop.op.data.udata.output_size != hash_vectors[i].output_size ||
+			memcmp(data, hash_vectors[i].output, hash_vectors[i].output_size) != 0) {
+			fprintf(stderr, "HASH test vector %d failed!\n", i);
+
+			fprintf(stderr, "Output[%d]: ", (int)nop.op.data.udata.output_size);
+			for(j=0;j<nop.op.data.udata.output_size;j++)
+			  fprintf(stderr, "%.2x:", (int)data[j]);
+			fprintf(stderr, "\n");
+
+			fprintf(stderr, "Expected[%d]: ", hash_vectors[i].output_size);
+			for(j=0;j<hash_vectors[i].output_size;j++)
+			  fprintf(stderr, "%.2x:", (int)hash_vectors[i].output[j]);
+			fprintf(stderr, "\n");
+			return 1;
+		}
+	}
+
+	fprintf(stdout, "\n");
+
+	return 0;
+
+}
+
+
+int
+main()
+{
+	int fd = -1;
+
+	/* Open the crypto device */
+	fd = open("/dev/crypto", O_RDWR, 0);
+	if (fd < 0) {
+		perror("open(/dev/crypto)");
+		return 1;
+	}
+
+	if (test_ncr_aes(fd))
+		return 1;
+
+	if (test_ncr_hash(fd))
+		return 1;
+
+	/* Close the original descriptor */
+	if (close(fd)) {
+		perror("close(fd)");
+		return 1;
+	}
+
+	return 0;
+}
diff --git a/examples/ncr.c b/examples/ncr.c
index d9870e0..bd5779c 100644
--- a/examples/ncr.c
+++ b/examples/ncr.c
@@ -809,8 +809,9 @@ test_ncr_aes(int cfd)
 		nop.init.algorithm = NCR_ALG_AES_ECB;
 		nop.init.key = key;
 		nop.init.op = NCR_OP_ENCRYPT;
-		nop.op.input = dd;
-		nop.op.output = dd2;
+		nop.op.data.ndata.input = dd;
+		nop.op.data.ndata.output = dd2;
+		nop.op.type = NCR_DATA;
 
 		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -884,8 +885,9 @@ test_ncr_aes(int cfd)
 		nop.init.algorithm = NCR_ALG_AES_ECB;
 		nop.init.key = key;
 		nop.init.op = NCR_OP_DECRYPT;
-		nop.op.input = dd;
-		nop.op.output = dd2;
+		nop.op.data.ndata.input = dd;
+		nop.op.data.ndata.output = dd2;
+		nop.op.type = NCR_DATA;
 
 		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -1098,8 +1100,9 @@ test_ncr_hash(int cfd)
 		if (hash_vectors[i].key != NULL)
 			nop.init.key = key;
 		nop.init.op = hash_vectors[i].op;
-		nop.op.input = dd;
-		nop.op.output = dd2;
+		nop.op.data.ndata.input = dd;
+		nop.op.data.ndata.output = dd2;
+		nop.op.type = NCR_DATA;
 
 		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
diff --git a/examples/pk.c b/examples/pk.c
index ce9dff8..287e9f3 100644
--- a/examples/pk.c
+++ b/examples/pk.c
@@ -371,8 +371,9 @@ static int rsa_key_encrypt(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int oae
 		nop.init.params.params.rsa.type = RSA_PKCS1_V1_5;
 	}
 	nop.init.op = NCR_OP_ENCRYPT;
-	nop.op.input = datad;
-	nop.op.output = encd;
+	nop.op.data.ndata.input = datad;
+	nop.op.data.ndata.output = encd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -391,8 +392,9 @@ static int rsa_key_encrypt(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int oae
 	} else {
 		nop.init.params.params.rsa.type = RSA_PKCS1_V1_5;
 	}
-	nop.op.input = encd;
-	nop.op.output = encd;
+	nop.op.data.ndata.input = encd;
+	nop.op.data.ndata.output = encd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -466,8 +468,9 @@ static int rsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int
 	nop.init.params.params.rsa.sign_hash = NCR_ALG_SHA1;
 
 	nop.init.op = NCR_OP_SIGN;
-	nop.op.input = datad;
-	nop.op.output = signd;
+	nop.op.data.ndata.input = datad;
+	nop.op.data.ndata.output = signd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -483,8 +486,9 @@ static int rsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey, int
 	nop.init.params.params.rsa.sign_hash = NCR_ALG_SHA1;
 
 	nop.init.op = NCR_OP_VERIFY;
-	nop.op.input = datad;
-	nop.op.output = signd;
+	nop.op.data.ndata.input = datad;
+	nop.op.data.ndata.output = signd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -545,8 +549,9 @@ static int dsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey)
 	nop.init.params.params.dsa.sign_hash = NCR_ALG_SHA1;
 
 	nop.init.op = NCR_OP_SIGN;
-	nop.op.input = datad;
-	nop.op.output = signd;
+	nop.op.data.ndata.input = datad;
+	nop.op.data.ndata.output = signd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
@@ -561,8 +566,9 @@ static int dsa_key_sign_verify(int cfd, ncr_key_t privkey, ncr_key_t pubkey)
 	nop.init.params.params.dsa.sign_hash = NCR_ALG_SHA1;
 
 	nop.init.op = NCR_OP_VERIFY;
-	nop.op.input = datad;
-	nop.op.output = signd;
+	nop.op.data.ndata.input = datad;
+	nop.op.data.ndata.output = signd;
+	nop.op.type = NCR_DATA;
 
 	if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 		fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
diff --git a/examples/speed.c b/examples/speed.c
index d3cf04a..1416411 100644
--- a/examples/speed.c
+++ b/examples/speed.c
@@ -189,8 +189,9 @@ int encrypt_data_ncr(int cfd, int algo, int chunksize)
 		nop.init.algorithm = algo;
 		nop.init.key = key;
 		nop.init.op = NCR_OP_ENCRYPT;
-		nop.op.input = dd;
-		nop.op.output = dd;
+		nop.op.data.ndata.input = dd;
+		nop.op.data.ndata.output = dd;
+		nop.op.type = NCR_DATA;
 
 		if (ioctl(cfd, NCRIO_SESSION_ONCE, &nop)) {
 			fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
-- 
cgit