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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 22:01:27 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 22:01:27 -0800
commit4f58cb90bcb04cfe18f524d1c9a65edef5eb3f51 (patch)
tree8c686e8b736eed7258921909282c0955543c7d2f /include
parente7691a1ce341c80ed9504244a36b31c025217391 (diff)
parent08c70fc3a239475122e20b7a21dfae4c264c24f7 (diff)
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: (54 commits) crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs crypto: serpent-sse2 - select LRW and XTS crypto: twofish-x86_64-3way - remove unneeded LRW/XTS #ifdefs crypto: twofish-x86_64-3way - select LRW and XTS crypto: xts - remove dependency on EXPERIMENTAL crypto: lrw - remove dependency on EXPERIMENTAL crypto: picoxcell - fix boolean and / or confusion crypto: caam - remove DECO access initialization code crypto: caam - fix polarity of "propagate error" logic crypto: caam - more desc.h cleanups crypto: caam - desc.h - convert spaces to tabs crypto: talitos - convert talitos_error to struct device crypto: talitos - remove NO_IRQ references crypto: talitos - fix bad kfree crypto: convert drivers/crypto/* to use module_platform_driver() char: hw_random: convert drivers/char/hw_random/* to use module_platform_driver() crypto: serpent-sse2 - should select CRYPTO_CRYPTD crypto: serpent - rename serpent.c to serpent_generic.c crypto: serpent - cleanup checkpatch errors and warnings ...
Diffstat (limited to 'include')
-rw-r--r--include/crypto/algapi.h1
-rw-r--r--include/crypto/lrw.h43
-rw-r--r--include/crypto/serpent.h27
-rw-r--r--include/crypto/twofish.h2
-rw-r--r--include/crypto/xts.h27
5 files changed, 100 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index ecc721def10..418d270e180 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -134,6 +134,7 @@ struct crypto_template *crypto_lookup_template(const char *name);
int crypto_register_instance(struct crypto_template *tmpl,
struct crypto_instance *inst);
+int crypto_unregister_instance(struct crypto_alg *alg);
int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
struct crypto_instance *inst, u32 mask);
diff --git a/include/crypto/lrw.h b/include/crypto/lrw.h
new file mode 100644
index 00000000000..25a2c871637
--- /dev/null
+++ b/include/crypto/lrw.h
@@ -0,0 +1,43 @@
+#ifndef _CRYPTO_LRW_H
+#define _CRYPTO_LRW_H
+
+#include <crypto/b128ops.h>
+
+struct scatterlist;
+struct gf128mul_64k;
+struct blkcipher_desc;
+
+#define LRW_BLOCK_SIZE 16
+
+struct lrw_table_ctx {
+ /* optimizes multiplying a random (non incrementing, as at the
+ * start of a new sector) value with key2, we could also have
+ * used 4k optimization tables or no optimization at all. In the
+ * latter case we would have to store key2 here */
+ struct gf128mul_64k *table;
+ /* stores:
+ * key2*{ 0,0,...0,0,0,0,1 }, key2*{ 0,0,...0,0,0,1,1 },
+ * key2*{ 0,0,...0,0,1,1,1 }, key2*{ 0,0,...0,1,1,1,1 }
+ * key2*{ 0,0,...1,1,1,1,1 }, etc
+ * needed for optimized multiplication of incrementing values
+ * with key2 */
+ be128 mulinc[128];
+};
+
+int lrw_init_table(struct lrw_table_ctx *ctx, const u8 *tweak);
+void lrw_free_table(struct lrw_table_ctx *ctx);
+
+struct lrw_crypt_req {
+ be128 *tbuf;
+ unsigned int tbuflen;
+
+ struct lrw_table_ctx *table_ctx;
+ void *crypt_ctx;
+ void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
+};
+
+int lrw_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes,
+ struct lrw_crypt_req *req);
+
+#endif /* _CRYPTO_LRW_H */
diff --git a/include/crypto/serpent.h b/include/crypto/serpent.h
new file mode 100644
index 00000000000..b7e0941eb6f
--- /dev/null
+++ b/include/crypto/serpent.h
@@ -0,0 +1,27 @@
+/*
+ * Common values for serpent algorithms
+ */
+
+#ifndef _CRYPTO_SERPENT_H
+#define _CRYPTO_SERPENT_H
+
+#include <linux/types.h>
+#include <linux/crypto.h>
+
+#define SERPENT_MIN_KEY_SIZE 0
+#define SERPENT_MAX_KEY_SIZE 32
+#define SERPENT_EXPKEY_WORDS 132
+#define SERPENT_BLOCK_SIZE 16
+
+struct serpent_ctx {
+ u32 expkey[SERPENT_EXPKEY_WORDS];
+};
+
+int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
+ unsigned int keylen);
+int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
+
+void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
+
+#endif
diff --git a/include/crypto/twofish.h b/include/crypto/twofish.h
index c408522595c..095c901a8af 100644
--- a/include/crypto/twofish.h
+++ b/include/crypto/twofish.h
@@ -17,6 +17,8 @@ struct twofish_ctx {
u32 s[4][256], w[8], k[32];
};
+int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key,
+ unsigned int key_len, u32 *flags);
int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);
#endif
diff --git a/include/crypto/xts.h b/include/crypto/xts.h
new file mode 100644
index 00000000000..72c09eb5643
--- /dev/null
+++ b/include/crypto/xts.h
@@ -0,0 +1,27 @@
+#ifndef _CRYPTO_XTS_H
+#define _CRYPTO_XTS_H
+
+#include <crypto/b128ops.h>
+
+struct scatterlist;
+struct blkcipher_desc;
+
+#define XTS_BLOCK_SIZE 16
+
+struct xts_crypt_req {
+ be128 *tbuf;
+ unsigned int tbuflen;
+
+ void *tweak_ctx;
+ void (*tweak_fn)(void *ctx, u8* dst, const u8* src);
+ void *crypt_ctx;
+ void (*crypt_fn)(void *ctx, u8 *blks, unsigned int nbytes);
+};
+
+#define XTS_TWEAK_CAST(x) ((void (*)(void *, u8*, const u8*))(x))
+
+int xts_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes,
+ struct xts_crypt_req *req);
+
+#endif /* _CRYPTO_XTS_H */