Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  [CRYPTO] xcbc: Fix crash with IPsec
  [CRYPTO] xts: Use proper alignment
  [CRYPTO] digest: Include internal.h for prototypes
  [CRYPTO] authenc: Add missing Kconfig dependency on BLKCIPHER
  [CRYPTO] skcipher: Move chainiv/seqiv into crypto_blkcipher module

crypto/Kconfig

@@ -575,6 +575,7 @@ config CRYPTO_TEST
 config CRYPTO_AUTHENC
 	tristate "Authenc support"
 	select CRYPTO_AEAD
+	select CRYPTO_BLKCIPHER
 	select CRYPTO_MANAGER
 	select CRYPTO_HASH
 	help

crypto/Makefile

@@ -12,9 +12,9 @@ obj-$(CONFIG_CRYPTO_AEAD) += aead.o
 
 crypto_blkcipher-objs := ablkcipher.o
 crypto_blkcipher-objs += blkcipher.o
+crypto_blkcipher-objs += chainiv.o
+crypto_blkcipher-objs += eseqiv.o
 obj-$(CONFIG_CRYPTO_BLKCIPHER) += crypto_blkcipher.o
-obj-$(CONFIG_CRYPTO_BLKCIPHER) += chainiv.o
-obj-$(CONFIG_CRYPTO_BLKCIPHER) += eseqiv.o
 obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
 
 crypto_hash-objs := hash.o

crypto/ablkcipher.c

@@ -341,6 +341,3 @@ err:
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_ablkcipher);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Asynchronous block chaining cipher type");

crypto/blkcipher.c

@@ -696,5 +696,34 @@ void skcipher_geniv_exit(struct crypto_tfm *tfm)
 }
 EXPORT_SYMBOL_GPL(skcipher_geniv_exit);
 
+static int __init blkcipher_module_init(void)
+{
+	int err;
+
+	err = chainiv_module_init();
+	if (err)
+		goto out;
+
+	err = eseqiv_module_init();
+	if (err)
+		goto eseqiv_err;
+
+out:
+	return err;
+
+eseqiv_err:
+	chainiv_module_exit();
+	goto out;
+}
+
+static void __exit blkcipher_module_exit(void)
+{
+	eseqiv_module_exit();
+	chainiv_module_exit();
+}
+
+module_init(blkcipher_module_init);
+module_exit(blkcipher_module_exit);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Generic block chaining cipher type");

crypto/chainiv.c

@@ -314,18 +314,14 @@ static struct crypto_template chainiv_tmpl = {
 	.module = THIS_MODULE,
 };
 
-static int __init chainiv_module_init(void)
+int __init chainiv_module_init(void)
 {
 	return crypto_register_template(&chainiv_tmpl);
 }
+EXPORT_SYMBOL_GPL(chainiv_module_init);
 
-static void __exit chainiv_module_exit(void)
+void __exit chainiv_module_exit(void)
 {
 	crypto_unregister_template(&chainiv_tmpl);
 }
-
-module_init(chainiv_module_init);
-module_exit(chainiv_module_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Chain IV Generator");
+EXPORT_SYMBOL_GPL(chainiv_module_exit);

crypto/digest.c

@@ -21,6 +21,8 @@
 #include <linux/module.h>
 #include <linux/scatterlist.h>
 
+#include "internal.h"
+
 static int init(struct hash_desc *desc)
 {
 	struct crypto_tfm *tfm = crypto_hash_tfm(desc->tfm);

crypto/eseqiv.c

@@ -247,18 +247,14 @@ static struct crypto_template eseqiv_tmpl = {
 	.module = THIS_MODULE,
 };
 
-static int __init eseqiv_module_init(void)
+int __init eseqiv_module_init(void)
 {
 	return crypto_register_template(&eseqiv_tmpl);
 }
+EXPORT_SYMBOL_GPL(eseqiv_module_init);
 
-static void __exit eseqiv_module_exit(void)
+void __exit eseqiv_module_exit(void)
 {
 	crypto_unregister_template(&eseqiv_tmpl);
 }
-
-module_init(eseqiv_module_init);
-module_exit(eseqiv_module_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Encrypted Sequence Number IV Generator");
+EXPORT_SYMBOL_GPL(eseqiv_module_exit);

crypto/xcbc.c

@@ -124,6 +124,11 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
 		unsigned int offset = sg[i].offset;
 		unsigned int slen = sg[i].length;
 
+		if (unlikely(slen > nbytes))
+			slen = nbytes;
+
+		nbytes -= slen;
+
 		while (slen > 0) {
 			unsigned int len = min(slen, ((unsigned int)(PAGE_SIZE)) - offset);
 			char *p = crypto_kmap(pg, 0) + offset;
@@ -177,7 +182,6 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
 			offset = 0;
 			pg++;
 		}
-		nbytes-=sg[i].length;
 		i++;
 	} while (nbytes>0);
 

crypto/xts.c

@@ -77,16 +77,16 @@ static int setkey(struct crypto_tfm *parent, const u8 *key,
 }
 
 struct sinfo {
-	be128 t;
+	be128 *t;
 	struct crypto_tfm *tfm;
 	void (*fn)(struct crypto_tfm *, u8 *, const u8 *);
 };
 
 static inline void xts_round(struct sinfo *s, void *dst, const void *src)
 {
-	be128_xor(dst, &s->t, src);		/* PP <- T xor P */
+	be128_xor(dst, s->t, src);		/* PP <- T xor P */
 	s->fn(s->tfm, dst, dst);		/* CC <- E(Key1,PP) */
-	be128_xor(dst, dst, &s->t);		/* C <- T xor CC */
+	be128_xor(dst, dst, s->t);		/* C <- T xor CC */
 }
 
 static int crypt(struct blkcipher_desc *d,
@@ -101,7 +101,6 @@ static int crypt(struct blkcipher_desc *d,
 		.tfm = crypto_cipher_tfm(ctx->child),
 		.fn = fn
 	};
-	be128 *iv;
 	u8 *wsrc;
 	u8 *wdst;
 
@@ -109,20 +108,20 @@ static int crypt(struct blkcipher_desc *d,
 	if (!w->nbytes)
 		return err;
 
+	s.t = (be128 *)w->iv;
 	avail = w->nbytes;
 
 	wsrc = w->src.virt.addr;
 	wdst = w->dst.virt.addr;
 
 	/* calculate first value of T */
-	iv = (be128 *)w->iv;
-	tw(crypto_cipher_tfm(ctx->tweak), (void *)&s.t, w->iv);
+	tw(crypto_cipher_tfm(ctx->tweak), w->iv, w->iv);
 
 	goto first;
 
 	for (;;) {
 		do {
-			gf128mul_x_ble(&s.t, &s.t);
+			gf128mul_x_ble(s.t, s.t);
 
 first:
 			xts_round(&s, wdst, wsrc);

include/crypto/internal/skcipher.h

@@ -15,6 +15,7 @@
 
 #include <crypto/algapi.h>
 #include <crypto/skcipher.h>
+#include <linux/init.h>
 #include <linux/types.h>
 
 struct rtattr;
@@ -64,6 +65,11 @@ void skcipher_geniv_free(struct crypto_instance *inst);
 int skcipher_geniv_init(struct crypto_tfm *tfm);
 void skcipher_geniv_exit(struct crypto_tfm *tfm);
 
+int __init eseqiv_module_init(void);
+void __exit eseqiv_module_exit(void);
+int __init chainiv_module_init(void);
+void __exit chainiv_module_exit(void);
+
 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
 	struct crypto_ablkcipher *geniv)
 {