diff --git a/crypto/Kconfig b/crypto/Kconfig
index 083d2e1..1f32071 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -195,6 +195,15 @@
 	  key size 256, 384 or 512 bits. This implementation currently
 	  can't handle a sectorsize which is not a multiple of 16 bytes.
 
+config CRYPTO_CTR
+	tristate "CTR support"
+	select CRYPTO_BLKCIPHER
+	select CRYPTO_MANAGER
+	default m
+	help
+	  CTR: Counter mode
+	  This block cipher algorithm is required for IPSec.
+
 config CRYPTO_CRYPTD
 	tristate "Software async crypto daemon"
 	select CRYPTO_ABLKCIPHER
diff --git a/crypto/Makefile b/crypto/Makefile
index 43c2a0d..1f87db2 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -32,6 +32,7 @@
 obj-$(CONFIG_CRYPTO_PCBC) += pcbc.o
 obj-$(CONFIG_CRYPTO_LRW) += lrw.o
 obj-$(CONFIG_CRYPTO_XTS) += xts.o
+obj-$(CONFIG_CRYPTO_CTR) += ctr.o
 obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
 obj-$(CONFIG_CRYPTO_DES) += des_generic.o
 obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
diff --git a/crypto/ctr.c b/crypto/ctr.c
new file mode 100644
index 0000000..810d5ec
--- /dev/null
+++ b/crypto/ctr.c
@@ -0,0 +1,369 @@
+/*
+ * CTR: Counter mode
+ *
+ * (C) Copyright IBM Corp. 2007 - Joy Latten <latten@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#include <crypto/algapi.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/random.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+
+struct ctr_instance_ctx {
+	struct crypto_spawn alg;
+	unsigned int noncesize;
+	unsigned int ivsize;
+};
+
+struct crypto_ctr_ctx {
+	struct crypto_cipher *child;
+	u8 *nonce;
+};
+
+static inline void __ctr_inc_byte(u8 *a, unsigned int size)
+{
+	u8 *b = (a + size);
+	u8 c;
+
+	for (; size; size--) {
+		c = *--b + 1;
+		*b = c;
+		if (c)
+			break;
+	}
+}
+
+static void ctr_inc_quad(u8 *a, unsigned int size)
+{
+	__be32 *b = (__be32 *)(a + size);
+	u32 c;
+
+	for (; size >= 4; size -=4) {
+		c = be32_to_cpu(*--b) + 1;
+		*b = cpu_to_be32(c);
+		if (c)
+			return;
+	}
+
+	__ctr_inc_byte(a, size);
+}
+
+static void xor_byte(u8 *a, const u8 *b, unsigned int bs)
+{
+	for (; bs; bs--)
+		*a++ ^= *b++;
+}
+
+static void xor_quad(u8 *dst, const u8 *src, unsigned int bs)
+{
+	u32 *a = (u32 *)dst;
+	u32 *b = (u32 *)src;
+
+	for (; bs >= 4; bs -= 4)
+		*a++ ^= *b++;
+
+	xor_byte((u8 *)a, (u8 *)b, bs);
+}
+
+static int crypto_ctr_setkey(struct crypto_tfm *parent, const u8 *key,
+			     unsigned int keylen)
+{
+	struct crypto_ctr_ctx *ctx = crypto_tfm_ctx(parent);
+	struct crypto_cipher *child = ctx->child;
+	struct ctr_instance_ctx *ictx =
+		crypto_instance_ctx(crypto_tfm_alg_instance(parent));
+	unsigned int noncelen = ictx->noncesize;
+	int err = 0;
+
+	/* the nonce is stored in bytes at end of key */
+	if (keylen < noncelen)
+		return  -EINVAL;
+
+	memcpy(ctx->nonce, key + (keylen - noncelen), noncelen);
+
+	keylen -=  noncelen;
+
+	crypto_cipher_clear_flags(child, CRYPTO_TFM_REQ_MASK);
+	crypto_cipher_set_flags(child, crypto_tfm_get_flags(parent) &
+				CRYPTO_TFM_REQ_MASK);
+	err = crypto_cipher_setkey(child, key, keylen);
+	crypto_tfm_set_flags(parent, crypto_cipher_get_flags(child) &
+			     CRYPTO_TFM_RES_MASK);
+
+	return err;
+}
+
+static int crypto_ctr_crypt_segment(struct blkcipher_walk *walk,
+				    struct crypto_cipher *tfm, u8 *ctrblk,
+				    unsigned int countersize)
+{
+	void (*fn)(struct crypto_tfm *, u8 *, const u8 *) =
+		   crypto_cipher_alg(tfm)->cia_encrypt;
+	unsigned int bsize = crypto_cipher_blocksize(tfm);
+	unsigned long alignmask = crypto_cipher_alignmask(tfm);
+	u8 ks[bsize + alignmask];
+	u8 *keystream = (u8 *)ALIGN((unsigned long)ks, alignmask + 1);
+	u8 *src = walk->src.virt.addr;
+	u8 *dst = walk->dst.virt.addr;
+	unsigned int nbytes = walk->nbytes;
+
+	do {
+		/* create keystream */
+		fn(crypto_cipher_tfm(tfm), keystream, ctrblk);
+		xor_quad(keystream, src, min(nbytes, bsize));
+
+		/* copy result into dst */
+		memcpy(dst, keystream, min(nbytes, bsize));
+
+		/* increment counter in counterblock */
+		ctr_inc_quad(ctrblk + (bsize - countersize), countersize);
+
+		if (nbytes < bsize)
+			break;
+
+		src += bsize;
+		dst += bsize;
+		nbytes -= bsize;
+
+	} while (nbytes);
+
+	return 0;
+}
+
+static int crypto_ctr_crypt_inplace(struct blkcipher_walk *walk,
+				    struct crypto_cipher *tfm, u8 *ctrblk,
+				    unsigned int countersize)
+{
+	void (*fn)(struct crypto_tfm *, u8 *, const u8 *) =
+		   crypto_cipher_alg(tfm)->cia_encrypt;
+	unsigned int bsize = crypto_cipher_blocksize(tfm);
+	unsigned long alignmask = crypto_cipher_alignmask(tfm);
+	unsigned int nbytes = walk->nbytes;
+	u8 *src = walk->src.virt.addr;
+	u8 ks[bsize + alignmask];
+	u8 *keystream = (u8 *)ALIGN((unsigned long)ks, alignmask + 1);
+
+	do {
+		/* create keystream */
+		fn(crypto_cipher_tfm(tfm), keystream, ctrblk);
+		xor_quad(src, keystream, min(nbytes, bsize));
+
+		/* increment counter in counterblock */
+		ctr_inc_quad(ctrblk + (bsize - countersize), countersize);
+
+		if (nbytes < bsize)
+			break;
+
+		src += bsize;
+		nbytes -= bsize;
+
+	} while (nbytes);
+
+	return 0;
+}
+
+static int crypto_ctr_crypt(struct blkcipher_desc *desc,
+			      struct scatterlist *dst, struct scatterlist *src,
+			      unsigned int nbytes)
+{
+	struct blkcipher_walk walk;
+	struct crypto_blkcipher *tfm = desc->tfm;
+	struct crypto_ctr_ctx *ctx = crypto_blkcipher_ctx(tfm);
+	struct crypto_cipher *child = ctx->child;
+	unsigned int bsize = crypto_cipher_blocksize(child);
+	struct ctr_instance_ctx *ictx =
+		crypto_instance_ctx(crypto_tfm_alg_instance(&tfm->base));
+	unsigned long alignmask = crypto_cipher_alignmask(child);
+	u8 cblk[bsize + alignmask];
+	u8 *counterblk = (u8 *)ALIGN((unsigned long)cblk, alignmask + 1);
+	unsigned int countersize;
+	int err;
+
+	blkcipher_walk_init(&walk, dst, src, nbytes);
+	err = blkcipher_walk_virt_block(desc, &walk, bsize);
+
+	/* set up counter block */
+	memset(counterblk, 0 , bsize);
+	memcpy(counterblk, ctx->nonce, ictx->noncesize);
+	memcpy(counterblk + ictx->noncesize, walk.iv, ictx->ivsize);
+
+	/* initialize counter portion of counter block */
+	countersize = bsize - ictx->noncesize - ictx->ivsize;
+	ctr_inc_quad(counterblk + (bsize - countersize), countersize);
+
+	while (walk.nbytes) {
+		if (walk.src.virt.addr == walk.dst.virt.addr)
+			nbytes = crypto_ctr_crypt_inplace(&walk, child,
+							  counterblk,
+							  countersize);
+		else
+			nbytes = crypto_ctr_crypt_segment(&walk, child,
+							  counterblk,
+							  countersize);
+
+		err = blkcipher_walk_done(desc, &walk, nbytes);
+	}
+	return err;
+}
+
+static int crypto_ctr_init_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_instance *inst = (void *)tfm->__crt_alg;
+	struct ctr_instance_ctx *ictx = crypto_instance_ctx(inst);
+	struct crypto_ctr_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct crypto_cipher *cipher;
+
+	ctx->nonce = kzalloc(ictx->noncesize, GFP_KERNEL);
+	if (!ctx->nonce)
+		return -ENOMEM;
+
+	cipher = crypto_spawn_cipher(&ictx->alg);
+	if (IS_ERR(cipher))
+		return PTR_ERR(cipher);
+
+	ctx->child = cipher;
+
+	return 0;
+}
+
+static void crypto_ctr_exit_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_ctr_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	kfree(ctx->nonce);
+	crypto_free_cipher(ctx->child);
+}
+
+static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb)
+{
+	struct crypto_instance *inst;
+	struct crypto_alg *alg;
+	struct ctr_instance_ctx *ictx;
+	unsigned int noncesize;
+	unsigned int ivsize;
+	int err;
+
+	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER);
+	if (err)
+		return ERR_PTR(err);
+
+	alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER,
+				  CRYPTO_ALG_TYPE_MASK);
+	if (IS_ERR(alg))
+		return ERR_PTR(PTR_ERR(alg));
+
+	err = crypto_attr_u32(tb[2], &noncesize);
+	if (err)
+		goto out_put_alg;
+
+	err = crypto_attr_u32(tb[3], &ivsize);
+	if (err)
+		goto out_put_alg;
+
+	/* verify size of nonce + iv + counter */
+	err = -EINVAL;
+	if ((noncesize + ivsize) >= alg->cra_blocksize)
+		goto out_put_alg;
+
+	inst = kzalloc(sizeof(*inst) + sizeof(*ictx), GFP_KERNEL);
+	err = -ENOMEM;
+	if (!inst)
+		goto out_put_alg;
+
+	err = -ENAMETOOLONG;
+	if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME,
+		     "ctr(%s,%u,%u)", alg->cra_name, noncesize,
+		     ivsize) >= CRYPTO_MAX_ALG_NAME) {
+		goto err_free_inst;
+	}
+
+	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
+		     "ctr(%s,%u,%u)", alg->cra_driver_name, noncesize,
+		     ivsize) >= CRYPTO_MAX_ALG_NAME) {
+		goto err_free_inst;
+	}
+
+	ictx = crypto_instance_ctx(inst);
+	ictx->noncesize = noncesize;
+	ictx->ivsize = ivsize;
+
+	err = crypto_init_spawn(&ictx->alg, alg, inst,
+		CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+	if (err)
+		goto err_free_inst;
+
+	err = 0;
+	inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;
+	inst->alg.cra_priority = alg->cra_priority;
+	inst->alg.cra_blocksize = 1;
+	inst->alg.cra_alignmask = 3;
+	inst->alg.cra_type = &crypto_blkcipher_type;
+
+	inst->alg.cra_blkcipher.ivsize = ivsize;
+	inst->alg.cra_blkcipher.min_keysize = alg->cra_cipher.cia_min_keysize
+					      + noncesize;
+	inst->alg.cra_blkcipher.max_keysize = alg->cra_cipher.cia_max_keysize
+					      + noncesize;
+
+	inst->alg.cra_ctxsize = sizeof(struct crypto_ctr_ctx);
+
+	inst->alg.cra_init = crypto_ctr_init_tfm;
+	inst->alg.cra_exit = crypto_ctr_exit_tfm;
+
+	inst->alg.cra_blkcipher.setkey = crypto_ctr_setkey;
+	inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;
+	inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;
+
+err_free_inst:
+	if (err)
+		kfree(inst);
+
+out_put_alg:
+	crypto_mod_put(alg);
+
+	if (err)
+		inst = ERR_PTR(err);
+
+	return inst;
+}
+
+static void crypto_ctr_free(struct crypto_instance *inst)
+{
+	struct ctr_instance_ctx *ictx = crypto_instance_ctx(inst);
+
+	crypto_drop_spawn(&ictx->alg);
+	kfree(inst);
+}
+
+static struct crypto_template crypto_ctr_tmpl = {
+	.name = "ctr",
+	.alloc = crypto_ctr_alloc,
+	.free = crypto_ctr_free,
+	.module = THIS_MODULE,
+};
+
+static int __init crypto_ctr_module_init(void)
+{
+	return crypto_register_template(&crypto_ctr_tmpl);
+}
+
+static void __exit crypto_ctr_module_exit(void)
+{
+	crypto_unregister_template(&crypto_ctr_tmpl);
+}
+
+module_init(crypto_ctr_module_init);
+module_exit(crypto_ctr_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("CTR Counter block mode");
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 24141fb..640cbca 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -969,6 +969,10 @@
 			    AES_XTS_ENC_TEST_VECTORS);
 		test_cipher("xts(aes)", DECRYPT, aes_xts_dec_tv_template,
 			    AES_XTS_DEC_TEST_VECTORS);
+		test_cipher("ctr(aes,4,8)", ENCRYPT, aes_ctr_enc_tv_template,
+			    AES_CTR_ENC_TEST_VECTORS);
+		test_cipher("ctr(aes,4,8)", DECRYPT, aes_ctr_dec_tv_template,
+			    AES_CTR_DEC_TEST_VECTORS);
 
 		//CAST5
 		test_cipher("ecb(cast5)", ENCRYPT, cast5_enc_tv_template,
@@ -1156,6 +1160,10 @@
 			    AES_XTS_ENC_TEST_VECTORS);
 		test_cipher("xts(aes)", DECRYPT, aes_xts_dec_tv_template,
 			    AES_XTS_DEC_TEST_VECTORS);
+		test_cipher("ctr(aes,4,8)", ENCRYPT, aes_ctr_enc_tv_template,
+			    AES_CTR_ENC_TEST_VECTORS);
+		test_cipher("ctr(aes,4,8)", DECRYPT, aes_ctr_dec_tv_template,
+			    AES_CTR_DEC_TEST_VECTORS);
 		break;
 
 	case 11:
diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h
index ec86138..f7f9b23 100644
--- a/crypto/tcrypt.h
+++ b/crypto/tcrypt.h
@@ -2146,6 +2146,8 @@
 #define AES_LRW_DEC_TEST_VECTORS 8
 #define AES_XTS_ENC_TEST_VECTORS 4
 #define AES_XTS_DEC_TEST_VECTORS 4
+#define AES_CTR_ENC_TEST_VECTORS 6
+#define AES_CTR_DEC_TEST_VECTORS 6
 
 static struct cipher_testvec aes_enc_tv_template[] = {
 	{ /* From FIPS-197 */
@@ -3180,6 +3182,189 @@
 	}
 };
 
+
+static struct cipher_testvec aes_ctr_enc_tv_template[] = {
+	{ /* From RFC 3686 */
+		.key	= { 0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc,
+			    0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e,
+			    0x00, 0x00, 0x00, 0x30 },
+		.klen	= 20,
+		.iv 	= { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+		.input 	= { "Single block msg" },
+		.ilen	= 16,
+		.result = { 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79,
+			    0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8 },
+		.rlen	= 16,
+	}, {
+		.key	= { 0x7e, 0x24, 0x06, 0x78, 0x17, 0xfa, 0xe0, 0xd7,
+			    0x43, 0xd6, 0xce, 0x1f, 0x32, 0x53, 0x91, 0x63,
+			    0x00, 0x6c, 0xb6, 0xdb },
+		.klen	= 20,
+		.iv 	= { 0xc0, 0x54, 0x3b, 0x59, 0xda, 0x48, 0xd9, 0x0b },
+		.input	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.ilen 	= 32,
+		.result = { 0x51, 0x04, 0xa1, 0x06, 0x16, 0x8a, 0x72, 0xd9,
+			    0x79, 0x0d, 0x41, 0xee, 0x8e, 0xda, 0xd3, 0x88,
+			    0xeb, 0x2e, 0x1e, 0xfc, 0x46, 0xda, 0x57, 0xc8,
+			    0xfc, 0xe6, 0x30, 0xdf, 0x91, 0x41, 0xbe, 0x28 },
+		.rlen	= 32,
+	}, {
+		.key 	= { 0x16, 0xaf, 0x5b, 0x14, 0x5f, 0xc9, 0xf5, 0x79,
+			    0xc1, 0x75, 0xf9, 0x3e, 0x3b, 0xfb, 0x0e, 0xed,
+			    0x86, 0x3d, 0x06, 0xcc, 0xfd, 0xb7, 0x85, 0x15,
+			    0x00, 0x00, 0x00, 0x48 },
+		.klen 	= 28,
+		.iv	= { 0x36, 0x73, 0x3c, 0x14, 0x7d, 0x6d, 0x93, 0xcb },
+		.input	= { "Single block msg" },
+		.ilen 	= 16,
+		.result	= { 0x4b, 0x55, 0x38, 0x4f, 0xe2, 0x59, 0xc9, 0xc8,
+			    0x4e, 0x79, 0x35, 0xa0, 0x03, 0xcb, 0xe9, 0x28 },
+		.rlen	= 16,
+	}, {
+		.key	= { 0x7c, 0x5c, 0xb2, 0x40, 0x1b, 0x3d, 0xc3, 0x3c,
+			    0x19, 0xe7, 0x34, 0x08, 0x19, 0xe0, 0xf6, 0x9c,
+			    0x67, 0x8c, 0x3d, 0xb8, 0xe6, 0xf6, 0xa9, 0x1a,
+			    0x00, 0x96, 0xb0, 0x3b },
+		.klen	= 28,
+		.iv 	= { 0x02, 0x0c, 0x6e, 0xad, 0xc2, 0xcb, 0x50, 0x0d },
+		.input	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.ilen	= 32,
+		.result	= { 0x45, 0x32, 0x43, 0xfc, 0x60, 0x9b, 0x23, 0x32,
+			    0x7e, 0xdf, 0xaa, 0xfa, 0x71, 0x31, 0xcd, 0x9f,
+			    0x84, 0x90, 0x70, 0x1c, 0x5a, 0xd4, 0xa7, 0x9c,
+			    0xfc, 0x1f, 0xe0, 0xff, 0x42, 0xf4, 0xfb, 0x00 },
+		.rlen 	= 32,
+	}, {
+		.key 	= { 0x77, 0x6b, 0xef, 0xf2, 0x85, 0x1d, 0xb0, 0x6f,
+			    0x4c, 0x8a, 0x05, 0x42, 0xc8, 0x69, 0x6f, 0x6c,
+			    0x6a, 0x81, 0xaf, 0x1e, 0xec, 0x96, 0xb4, 0xd3,
+			    0x7f, 0xc1, 0xd6, 0x89, 0xe6, 0xc1, 0xc1, 0x04,
+			    0x00, 0x00, 0x00, 0x60 },
+		.klen	= 36,
+		.iv 	= { 0xdb, 0x56, 0x72, 0xc9, 0x7a, 0xa8, 0xf0, 0xb2 },
+		.input	= { "Single block msg" },
+		.ilen	= 16,
+		.result = { 0x14, 0x5a, 0xd0, 0x1d, 0xbf, 0x82, 0x4e, 0xc7,
+			    0x56, 0x08, 0x63, 0xdc, 0x71, 0xe3, 0xe0, 0xc0 },
+		.rlen 	= 16,
+	}, {
+		.key	= { 0xf6, 0xd6, 0x6d, 0x6b, 0xd5, 0x2d, 0x59, 0xbb,
+			    0x07, 0x96, 0x36, 0x58, 0x79, 0xef, 0xf8, 0x86,
+			    0xc6, 0x6d, 0xd5, 0x1a, 0x5b, 0x6a, 0x99, 0x74,
+			    0x4b, 0x50, 0x59, 0x0c, 0x87, 0xa2, 0x38, 0x84,
+			    0x00, 0xfa, 0xac, 0x24 },
+		.klen 	= 36,
+		.iv	= { 0xc1, 0x58, 0x5e, 0xf1, 0x5a, 0x43, 0xd8, 0x75 },
+		.input	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.ilen	= 32,
+		.result = { 0xf0, 0x5e, 0x23, 0x1b, 0x38, 0x94, 0x61, 0x2c,
+			    0x49, 0xee, 0x00, 0x0b, 0x80, 0x4e, 0xb2, 0xa9,
+			    0xb8, 0x30, 0x6b, 0x50, 0x8f, 0x83, 0x9d, 0x6a,
+			    0x55, 0x30, 0x83, 0x1d, 0x93, 0x44, 0xaf, 0x1c },
+		.rlen	= 32,
+	},
+};
+
+static struct cipher_testvec aes_ctr_dec_tv_template[] = {
+	{ /* From RFC 3686 */
+		.key	= { 0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc,
+			    0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e,
+			    0x00, 0x00, 0x00, 0x30 },
+		.klen	= 20,
+		.iv 	= { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+		.input	= { 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79,
+			    0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8 },
+		.ilen	= 16,
+		.result	= { "Single block msg" },
+		.rlen	= 16,
+	}, {
+		.key	= { 0x7e, 0x24, 0x06, 0x78, 0x17, 0xfa, 0xe0, 0xd7,
+			    0x43, 0xd6, 0xce, 0x1f, 0x32, 0x53, 0x91, 0x63,
+			    0x00, 0x6c, 0xb6, 0xdb },
+		.klen	= 20,
+		.iv 	= { 0xc0, 0x54, 0x3b, 0x59, 0xda, 0x48, 0xd9, 0x0b },
+		.input	= { 0x51, 0x04, 0xa1, 0x06, 0x16, 0x8a, 0x72, 0xd9,
+			    0x79, 0x0d, 0x41, 0xee, 0x8e, 0xda, 0xd3, 0x88,
+			    0xeb, 0x2e, 0x1e, 0xfc, 0x46, 0xda, 0x57, 0xc8,
+			    0xfc, 0xe6, 0x30, 0xdf, 0x91, 0x41, 0xbe, 0x28 },
+		.ilen 	= 32,
+		.result	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.rlen	= 32,
+	}, {
+		.key 	= { 0x16, 0xaf, 0x5b, 0x14, 0x5f, 0xc9, 0xf5, 0x79,
+			    0xc1, 0x75, 0xf9, 0x3e, 0x3b, 0xfb, 0x0e, 0xed,
+			    0x86, 0x3d, 0x06, 0xcc, 0xfd, 0xb7, 0x85, 0x15,
+			    0x00, 0x00, 0x00, 0x48 },
+		.klen 	= 28,
+		.iv	= { 0x36, 0x73, 0x3c, 0x14, 0x7d, 0x6d, 0x93, 0xcb },
+		.input	= { 0x4b, 0x55, 0x38, 0x4f, 0xe2, 0x59, 0xc9, 0xc8,
+			    0x4e, 0x79, 0x35, 0xa0, 0x03, 0xcb, 0xe9, 0x28 },
+		.ilen 	= 16,
+		.result	= { "Single block msg" },
+		.rlen	= 16,
+	}, {
+		.key	= { 0x7c, 0x5c, 0xb2, 0x40, 0x1b, 0x3d, 0xc3, 0x3c,
+			    0x19, 0xe7, 0x34, 0x08, 0x19, 0xe0, 0xf6, 0x9c,
+			    0x67, 0x8c, 0x3d, 0xb8, 0xe6, 0xf6, 0xa9, 0x1a,
+			    0x00, 0x96, 0xb0, 0x3b },
+		.klen	= 28,
+		.iv 	= { 0x02, 0x0c, 0x6e, 0xad, 0xc2, 0xcb, 0x50, 0x0d },
+		.input	= { 0x45, 0x32, 0x43, 0xfc, 0x60, 0x9b, 0x23, 0x32,
+			    0x7e, 0xdf, 0xaa, 0xfa, 0x71, 0x31, 0xcd, 0x9f,
+			    0x84, 0x90, 0x70, 0x1c, 0x5a, 0xd4, 0xa7, 0x9c,
+			    0xfc, 0x1f, 0xe0, 0xff, 0x42, 0xf4, 0xfb, 0x00 },
+		.ilen	= 32,
+		.result	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.rlen 	= 32,
+	}, { 
+		.key 	= { 0x77, 0x6b, 0xef, 0xf2, 0x85, 0x1d, 0xb0, 0x6f,
+			    0x4c, 0x8a, 0x05, 0x42, 0xc8, 0x69, 0x6f, 0x6c,
+			    0x6a, 0x81, 0xaf, 0x1e, 0xec, 0x96, 0xb4, 0xd3,
+			    0x7f, 0xc1, 0xd6, 0x89, 0xe6, 0xc1, 0xc1, 0x04,
+			    0x00, 0x00, 0x00, 0x60 },
+		.klen	= 36,
+		.iv 	= { 0xdb, 0x56, 0x72, 0xc9, 0x7a, 0xa8, 0xf0, 0xb2 },
+		.input	= { 0x14, 0x5a, 0xd0, 0x1d, 0xbf, 0x82, 0x4e, 0xc7,
+			    0x56, 0x08, 0x63, 0xdc, 0x71, 0xe3, 0xe0, 0xc0 },
+		.ilen	= 16,
+		.result	= { "Single block msg" },
+		.rlen 	= 16,
+	}, {
+		.key	= { 0xf6, 0xd6, 0x6d, 0x6b, 0xd5, 0x2d, 0x59, 0xbb,
+			    0x07, 0x96, 0x36, 0x58, 0x79, 0xef, 0xf8, 0x86,
+			    0xc6, 0x6d, 0xd5, 0x1a, 0x5b, 0x6a, 0x99, 0x74,
+			    0x4b, 0x50, 0x59, 0x0c, 0x87, 0xa2, 0x38, 0x84,
+			    0x00, 0xfa, 0xac, 0x24 },
+		.klen 	= 36,
+		.iv	= { 0xc1, 0x58, 0x5e, 0xf1, 0x5a, 0x43, 0xd8, 0x75 },
+		.input	= { 0xf0, 0x5e, 0x23, 0x1b, 0x38, 0x94, 0x61, 0x2c,
+			    0x49, 0xee, 0x00, 0x0b, 0x80, 0x4e, 0xb2, 0xa9,
+			    0xb8, 0x30, 0x6b, 0x50, 0x8f, 0x83, 0x9d, 0x6a,
+			    0x55, 0x30, 0x83, 0x1d, 0x93, 0x44, 0xaf, 0x1c },
+		.ilen	= 32,
+		.result	= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+			    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+			    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
+		.rlen	= 32,
+	},
+};
+
 /* Cast5 test vectors from RFC 2144 */
 #define CAST5_ENC_TEST_VECTORS	3
 #define CAST5_DEC_TEST_VECTORS	3