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-rw-r--r--crypto/ablkcipher.c2
-rw-r--r--crypto/aegis128.c1
-rw-r--r--crypto/aegis128l.c3
-rw-r--r--crypto/aegis256.c1
-rw-r--r--crypto/blkcipher.c1
-rw-r--r--crypto/crypto_null.c1
-rw-r--r--crypto/dh.c66
-rw-r--r--crypto/dh_helper.c15
-rw-r--r--crypto/drbg.c11
-rw-r--r--crypto/ecc.c42
-rw-r--r--crypto/ecc_curve_defs.h22
-rw-r--r--crypto/ghash-generic.c1
-rw-r--r--crypto/md4.c1
-rw-r--r--crypto/md5.c1
-rw-r--r--crypto/morus1280.c1
-rw-r--r--crypto/morus640.c1
-rw-r--r--crypto/poly1305_generic.c1
-rw-r--r--crypto/rmd128.c1
-rw-r--r--crypto/rmd160.c1
-rw-r--r--crypto/rmd256.c11
-rw-r--r--crypto/rmd320.c13
-rw-r--r--crypto/sha1_generic.c2
-rw-r--r--crypto/sha256_generic.c4
-rw-r--r--crypto/sha3_generic.c4
-rw-r--r--crypto/sha512_generic.c26
-rw-r--r--crypto/skcipher.c1
-rw-r--r--crypto/sm3_generic.c1
-rw-r--r--crypto/tcrypt.c2
-rw-r--r--crypto/testmgr.c59
-rw-r--r--crypto/testmgr.h221
-rw-r--r--crypto/tgr192.c3
-rw-r--r--crypto/vmac.c444
-rw-r--r--crypto/wp512.c3
33 files changed, 581 insertions, 386 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index d880a4897159..1edb5000d783 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -373,6 +373,7 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<default>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
@@ -447,6 +448,7 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<built-in>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
diff --git a/crypto/aegis128.c b/crypto/aegis128.c
index 38271303ce16..c22f4414856d 100644
--- a/crypto/aegis128.c
+++ b/crypto/aegis128.c
@@ -429,7 +429,6 @@ static struct aead_alg crypto_aegis128_alg = {
.chunksize = AEGIS_BLOCK_SIZE,
.base = {
- .cra_flags = CRYPTO_ALG_TYPE_AEAD,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct aegis_ctx),
.cra_alignmask = 0,
diff --git a/crypto/aegis128l.c b/crypto/aegis128l.c
index 0cc1a7525c85..b6fb21ebdc3e 100644
--- a/crypto/aegis128l.c
+++ b/crypto/aegis128l.c
@@ -121,7 +121,7 @@ static void crypto_aegis128l_ad(struct aegis_state *state,
(const union aegis_chunk *)src;
while (size >= AEGIS128L_CHUNK_SIZE) {
- crypto_aegis128l_update_a(state, src_chunk);
+ crypto_aegis128l_update_a(state, src_chunk);
size -= AEGIS128L_CHUNK_SIZE;
src_chunk += 1;
@@ -493,7 +493,6 @@ static struct aead_alg crypto_aegis128l_alg = {
.chunksize = AEGIS128L_CHUNK_SIZE,
.base = {
- .cra_flags = CRYPTO_ALG_TYPE_AEAD,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct aegis_ctx),
.cra_alignmask = 0,
diff --git a/crypto/aegis256.c b/crypto/aegis256.c
index a489d741d33a..11f0f8ec9c7c 100644
--- a/crypto/aegis256.c
+++ b/crypto/aegis256.c
@@ -444,7 +444,6 @@ static struct aead_alg crypto_aegis256_alg = {
.chunksize = AEGIS_BLOCK_SIZE,
.base = {
- .cra_flags = CRYPTO_ALG_TYPE_AEAD,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct aegis_ctx),
.cra_alignmask = 0,
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 01c0d4aa2563..dd4dcab3766a 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -512,6 +512,7 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
strncpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type));
strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "<default>",
sizeof(rblkcipher.geniv));
+ rblkcipher.geniv[sizeof(rblkcipher.geniv) - 1] = '\0';
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
diff --git a/crypto/crypto_null.c b/crypto/crypto_null.c
index 20ff2c746e0b..0959b268966c 100644
--- a/crypto/crypto_null.c
+++ b/crypto/crypto_null.c
@@ -104,7 +104,6 @@ static struct shash_alg digest_null = {
.final = null_final,
.base = {
.cra_name = "digest_null",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = NULL_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/dh.c b/crypto/dh.c
index 5659fe7f446d..09a44de4209d 100644
--- a/crypto/dh.c
+++ b/crypto/dh.c
@@ -16,14 +16,16 @@
#include <linux/mpi.h>
struct dh_ctx {
- MPI p;
- MPI g;
- MPI xa;
+ MPI p; /* Value is guaranteed to be set. */
+ MPI q; /* Value is optional. */
+ MPI g; /* Value is guaranteed to be set. */
+ MPI xa; /* Value is guaranteed to be set. */
};
static void dh_clear_ctx(struct dh_ctx *ctx)
{
mpi_free(ctx->p);
+ mpi_free(ctx->q);
mpi_free(ctx->g);
mpi_free(ctx->xa);
memset(ctx, 0, sizeof(*ctx));
@@ -60,6 +62,12 @@ static int dh_set_params(struct dh_ctx *ctx, struct dh *params)
if (!ctx->p)
return -EINVAL;
+ if (params->q && params->q_size) {
+ ctx->q = mpi_read_raw_data(params->q, params->q_size);
+ if (!ctx->q)
+ return -EINVAL;
+ }
+
ctx->g = mpi_read_raw_data(params->g, params->g_size);
if (!ctx->g)
return -EINVAL;
@@ -93,6 +101,55 @@ err_clear_ctx:
return -EINVAL;
}
+/*
+ * SP800-56A public key verification:
+ *
+ * * If Q is provided as part of the domain paramenters, a full validation
+ * according to SP800-56A section 5.6.2.3.1 is performed.
+ *
+ * * If Q is not provided, a partial validation according to SP800-56A section
+ * 5.6.2.3.2 is performed.
+ */
+static int dh_is_pubkey_valid(struct dh_ctx *ctx, MPI y)
+{
+ if (unlikely(!ctx->p))
+ return -EINVAL;
+
+ /*
+ * Step 1: Verify that 2 <= y <= p - 2.
+ *
+ * The upper limit check is actually y < p instead of y < p - 1
+ * as the mpi_sub_ui function is yet missing.
+ */
+ if (mpi_cmp_ui(y, 1) < 1 || mpi_cmp(y, ctx->p) >= 0)
+ return -EINVAL;
+
+ /* Step 2: Verify that 1 = y^q mod p */
+ if (ctx->q) {
+ MPI val = mpi_alloc(0);
+ int ret;
+
+ if (!val)
+ return -ENOMEM;
+
+ ret = mpi_powm(val, y, ctx->q, ctx->p);
+
+ if (ret) {
+ mpi_free(val);
+ return ret;
+ }
+
+ ret = mpi_cmp_ui(val, 1);
+
+ mpi_free(val);
+
+ if (ret != 0)
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int dh_compute_value(struct kpp_request *req)
{
struct crypto_kpp *tfm = crypto_kpp_reqtfm(req);
@@ -115,6 +172,9 @@ static int dh_compute_value(struct kpp_request *req)
ret = -EINVAL;
goto err_free_val;
}
+ ret = dh_is_pubkey_valid(ctx, base);
+ if (ret)
+ goto err_free_base;
} else {
base = ctx->g;
}
diff --git a/crypto/dh_helper.c b/crypto/dh_helper.c
index 24fdb2ecaa85..a7de3d9ce5ac 100644
--- a/crypto/dh_helper.c
+++ b/crypto/dh_helper.c
@@ -30,7 +30,7 @@ static inline const u8 *dh_unpack_data(void *dst, const void *src, size_t size)
static inline unsigned int dh_data_size(const struct dh *p)
{
- return p->key_size + p->p_size + p->g_size;
+ return p->key_size + p->p_size + p->q_size + p->g_size;
}
unsigned int crypto_dh_key_len(const struct dh *p)
@@ -56,9 +56,11 @@ int crypto_dh_encode_key(char *buf, unsigned int len, const struct dh *params)
ptr = dh_pack_data(ptr, &secret, sizeof(secret));
ptr = dh_pack_data(ptr, &params->key_size, sizeof(params->key_size));
ptr = dh_pack_data(ptr, &params->p_size, sizeof(params->p_size));
+ ptr = dh_pack_data(ptr, &params->q_size, sizeof(params->q_size));
ptr = dh_pack_data(ptr, &params->g_size, sizeof(params->g_size));
ptr = dh_pack_data(ptr, params->key, params->key_size);
ptr = dh_pack_data(ptr, params->p, params->p_size);
+ ptr = dh_pack_data(ptr, params->q, params->q_size);
dh_pack_data(ptr, params->g, params->g_size);
return 0;
@@ -79,6 +81,7 @@ int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params)
ptr = dh_unpack_data(&params->key_size, ptr, sizeof(params->key_size));
ptr = dh_unpack_data(&params->p_size, ptr, sizeof(params->p_size));
+ ptr = dh_unpack_data(&params->q_size, ptr, sizeof(params->q_size));
ptr = dh_unpack_data(&params->g_size, ptr, sizeof(params->g_size));
if (secret.len != crypto_dh_key_len(params))
return -EINVAL;
@@ -88,7 +91,7 @@ int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params)
* some drivers assume otherwise.
*/
if (params->key_size > params->p_size ||
- params->g_size > params->p_size)
+ params->g_size > params->p_size || params->q_size > params->p_size)
return -EINVAL;
/* Don't allocate memory. Set pointers to data within
@@ -96,7 +99,9 @@ int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params)
*/
params->key = (void *)ptr;
params->p = (void *)(ptr + params->key_size);
- params->g = (void *)(ptr + params->key_size + params->p_size);
+ params->q = (void *)(ptr + params->key_size + params->p_size);
+ params->g = (void *)(ptr + params->key_size + params->p_size +
+ params->q_size);
/*
* Don't permit 'p' to be 0. It's not a prime number, and it's subject
@@ -106,6 +111,10 @@ int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params)
if (memchr_inv(params->p, 0, params->p_size) == NULL)
return -EINVAL;
+ /* It is permissible to not provide Q. */
+ if (params->q_size == 0)
+ params->q = NULL;
+
return 0;
}
EXPORT_SYMBOL_GPL(crypto_dh_decode_key);
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 466a112a4446..ee302fd229ad 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1715,6 +1715,9 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
drbg->outscratchpad = (u8 *)PTR_ALIGN(drbg->outscratchpadbuf,
alignmask + 1);
+ sg_init_table(&drbg->sg_in, 1);
+ sg_init_table(&drbg->sg_out, 1);
+
return alignmask;
}
@@ -1743,17 +1746,17 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
u8 *inbuf, u32 inlen,
u8 *outbuf, u32 outlen)
{
- struct scatterlist sg_in, sg_out;
+ struct scatterlist *sg_in = &drbg->sg_in, *sg_out = &drbg->sg_out;
int ret;
- sg_init_one(&sg_in, inbuf, inlen);
- sg_init_one(&sg_out, drbg->outscratchpad, DRBG_OUTSCRATCHLEN);
+ sg_set_buf(sg_in, inbuf, inlen);
+ sg_set_buf(sg_out, drbg->outscratchpad, DRBG_OUTSCRATCHLEN);
while (outlen) {
u32 cryptlen = min3(inlen, outlen, (u32)DRBG_OUTSCRATCHLEN);
/* Output buffer may not be valid for SGL, use scratchpad */
- skcipher_request_set_crypt(drbg->ctr_req, &sg_in, &sg_out,
+ skcipher_request_set_crypt(drbg->ctr_req, sg_in, sg_out,
cryptlen, drbg->V);
ret = crypto_wait_req(crypto_skcipher_encrypt(drbg->ctr_req),
&drbg->ctr_wait);
diff --git a/crypto/ecc.c b/crypto/ecc.c
index 815541309a95..8facafd67802 100644
--- a/crypto/ecc.c
+++ b/crypto/ecc.c
@@ -1019,6 +1019,36 @@ out:
return ret;
}
+/* SP800-56A section 5.6.2.3.4 partial verification: ephemeral keys only */
+static int ecc_is_pubkey_valid_partial(const struct ecc_curve *curve,
+ struct ecc_point *pk)
+{
+ u64 yy[ECC_MAX_DIGITS], xxx[ECC_MAX_DIGITS], w[ECC_MAX_DIGITS];
+
+ /* Check 1: Verify key is not the zero point. */
+ if (ecc_point_is_zero(pk))
+ return -EINVAL;
+
+ /* Check 2: Verify key is in the range [1, p-1]. */
+ if (vli_cmp(curve->p, pk->x, pk->ndigits) != 1)
+ return -EINVAL;
+ if (vli_cmp(curve->p, pk->y, pk->ndigits) != 1)
+ return -EINVAL;
+
+ /* Check 3: Verify that y^2 == (x^3 + a·x + b) mod p */
+ vli_mod_square_fast(yy, pk->y, curve->p, pk->ndigits); /* y^2 */
+ vli_mod_square_fast(xxx, pk->x, curve->p, pk->ndigits); /* x^2 */
+ vli_mod_mult_fast(xxx, xxx, pk->x, curve->p, pk->ndigits); /* x^3 */
+ vli_mod_mult_fast(w, curve->a, pk->x, curve->p, pk->ndigits); /* a·x */
+ vli_mod_add(w, w, curve->b, curve->p, pk->ndigits); /* a·x + b */
+ vli_mod_add(w, w, xxx, curve->p, pk->ndigits); /* x^3 + a·x + b */
+ if (vli_cmp(yy, w, pk->ndigits) != 0) /* Equation */
+ return -EINVAL;
+
+ return 0;
+
+}
+
int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
const u64 *private_key, const u64 *public_key,
u64 *secret)
@@ -1046,16 +1076,20 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
goto out;
}
+ ecc_swap_digits(public_key, pk->x, ndigits);
+ ecc_swap_digits(&public_key[ndigits], pk->y, ndigits);
+ ret = ecc_is_pubkey_valid_partial(curve, pk);
+ if (ret)
+ goto err_alloc_product;
+
+ ecc_swap_digits(private_key, priv, ndigits);
+
product = ecc_alloc_point(ndigits);
if (!product) {
ret = -ENOMEM;
goto err_alloc_product;
}
- ecc_swap_digits(public_key, pk->x, ndigits);
- ecc_swap_digits(&public_key[ndigits], pk->y, ndigits);
- ecc_swap_digits(private_key, priv, ndigits);
-
ecc_point_mult(product, pk, priv, rand_z, curve->p, ndigits);
ecc_swap_digits(product->x, secret, ndigits);
diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h
index b80f45da829c..336ab1805639 100644
--- a/crypto/ecc_curve_defs.h
+++ b/crypto/ecc_curve_defs.h
@@ -13,9 +13,11 @@ struct ecc_curve {
struct ecc_point g;
u64 *p;
u64 *n;
+ u64 *a;
+ u64 *b;
};
-/* NIST P-192 */
+/* NIST P-192: a = p - 3 */
static u64 nist_p192_g_x[] = { 0xF4FF0AFD82FF1012ull, 0x7CBF20EB43A18800ull,
0x188DA80EB03090F6ull };
static u64 nist_p192_g_y[] = { 0x73F977A11E794811ull, 0x631011ED6B24CDD5ull,
@@ -24,6 +26,10 @@ static u64 nist_p192_p[] = { 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFEull,
0xFFFFFFFFFFFFFFFFull };
static u64 nist_p192_n[] = { 0x146BC9B1B4D22831ull, 0xFFFFFFFF99DEF836ull,
0xFFFFFFFFFFFFFFFFull };
+static u64 nist_p192_a[] = { 0xFFFFFFFFFFFFFFFCull, 0xFFFFFFFFFFFFFFFEull,
+ 0xFFFFFFFFFFFFFFFFull };
+static u64 nist_p192_b[] = { 0xFEB8DEECC146B9B1ull, 0x0FA7E9AB72243049ull,
+ 0x64210519E59C80E7ull };
static struct ecc_curve nist_p192 = {
.name = "nist_192",
.g = {
@@ -32,10 +38,12 @@ static struct ecc_curve nist_p192 = {
.ndigits = 3,
},
.p = nist_p192_p,
- .n = nist_p192_n
+ .n = nist_p192_n,
+ .a = nist_p192_a,
+ .b = nist_p192_b
};
-/* NIST P-256 */
+/* NIST P-256: a = p - 3 */
static u64 nist_p256_g_x[] = { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull,
0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull };
static u64 nist_p256_g_y[] = { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull,
@@ -44,6 +52,10 @@ static u64 nist_p256_p[] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull,
0x0000000000000000ull, 0xFFFFFFFF00000001ull };
static u64 nist_p256_n[] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull,
0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
+static u64 nist_p256_a[] = { 0xFFFFFFFFFFFFFFFCull, 0x00000000FFFFFFFFull,
+ 0x0000000000000000ull, 0xFFFFFFFF00000001ull };
+static u64 nist_p256_b[] = { 0x3BCE3C3E27D2604Bull, 0x651D06B0CC53B0F6ull,
+ 0xB3EBBD55769886BCull, 0x5AC635D8AA3A93E7ull };
static struct ecc_curve nist_p256 = {
.name = "nist_256",
.g = {
@@ -52,7 +64,9 @@ static struct ecc_curve nist_p256 = {
.ndigits = 4,
},
.p = nist_p256_p,
- .n = nist_p256_n
+ .n = nist_p256_n,
+ .a = nist_p256_a,
+ .b = nist_p256_b
};
#endif
diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c
index 1bffb3f712dd..d9f192b953b2 100644
--- a/crypto/ghash-generic.c
+++ b/crypto/ghash-generic.c
@@ -132,7 +132,6 @@ static struct shash_alg ghash_alg = {
.cra_name = "ghash",
.cra_driver_name = "ghash-generic",
.cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = GHASH_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct ghash_ctx),
.cra_module = THIS_MODULE,
diff --git a/crypto/md4.c b/crypto/md4.c
index 810fefb0a007..9965ec40d9f9 100644
--- a/crypto/md4.c
+++ b/crypto/md4.c
@@ -217,7 +217,6 @@ static struct shash_alg alg = {
.descsize = sizeof(struct md4_ctx),
.base = {
.cra_name = "md4",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = MD4_HMAC_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/md5.c b/crypto/md5.c
index f776ef43d621..94dd78144ba3 100644
--- a/crypto/md5.c
+++ b/crypto/md5.c
@@ -229,7 +229,6 @@ static struct shash_alg alg = {
.statesize = sizeof(struct md5_state),
.base = {
.cra_name = "md5",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = MD5_HMAC_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/morus1280.c b/crypto/morus1280.c
index 6180b2557836..d057cf5ac4a8 100644
--- a/crypto/morus1280.c
+++ b/crypto/morus1280.c
@@ -514,7 +514,6 @@ static struct aead_alg crypto_morus1280_alg = {
.chunksize = MORUS1280_BLOCK_SIZE,
.base = {
- .cra_flags = CRYPTO_ALG_TYPE_AEAD,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct morus1280_ctx),
.cra_alignmask = 0,
diff --git a/crypto/morus640.c b/crypto/morus640.c
index 5eede3749e64..1ca76e54281b 100644
--- a/crypto/morus640.c
+++ b/crypto/morus640.c
@@ -511,7 +511,6 @@ static struct aead_alg crypto_morus640_alg = {
.chunksize = MORUS640_BLOCK_SIZE,
.base = {
- .cra_flags = CRYPTO_ALG_TYPE_AEAD,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct morus640_ctx),
.cra_alignmask = 0,
diff --git a/crypto/poly1305_generic.c b/crypto/poly1305_generic.c
index b7a3a0613a30..47d3a6b83931 100644
--- a/crypto/poly1305_generic.c
+++ b/crypto/poly1305_generic.c
@@ -279,7 +279,6 @@ static struct shash_alg poly1305_alg = {
.cra_name = "poly1305",
.cra_driver_name = "poly1305-generic",
.cra_priority = 100,
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = POLY1305_BLOCK_SIZE,
.cra_module = THIS_MODULE,
},
diff --git a/crypto/rmd128.c b/crypto/rmd128.c
index 40e053b97b69..5f4472256e27 100644
--- a/crypto/rmd128.c
+++ b/crypto/rmd128.c
@@ -303,7 +303,6 @@ static struct shash_alg alg = {
.descsize = sizeof(struct rmd128_ctx),
.base = {
.cra_name = "rmd128",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = RMD128_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/rmd160.c b/crypto/rmd160.c
index 5f3e6ea35268..737645344d1c 100644
--- a/crypto/rmd160.c
+++ b/crypto/rmd160.c
@@ -347,7 +347,6 @@ static struct shash_alg alg = {
.descsize = sizeof(struct rmd160_ctx),
.base = {
.cra_name = "rmd160",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = RMD160_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/rmd256.c b/crypto/rmd256.c
index f50c025cc962..0e9d30676a01 100644
--- a/crypto/rmd256.c
+++ b/crypto/rmd256.c
@@ -49,7 +49,7 @@ struct rmd256_ctx {
static void rmd256_transform(u32 *state, const __le32 *in)
{
- u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd, tmp;
+ u32 aa, bb, cc, dd, aaa, bbb, ccc, ddd;
/* Initialize left lane */
aa = state[0];
@@ -100,7 +100,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F4, KK1, in[12], 6);
/* Swap contents of "a" registers */
- tmp = aa; aa = aaa; aaa = tmp;
+ swap(aa, aaa);
/* round 2: left lane */
ROUND(aa, bb, cc, dd, F2, K2, in[7], 7);
@@ -139,7 +139,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F3, KK2, in[2], 11);
/* Swap contents of "b" registers */
- tmp = bb; bb = bbb; bbb = tmp;
+ swap(bb, bbb);
/* round 3: left lane */
ROUND(aa, bb, cc, dd, F3, K3, in[3], 11);
@@ -178,7 +178,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F2, KK3, in[13], 5);
/* Swap contents of "c" registers */
- tmp = cc; cc = ccc; ccc = tmp;
+ swap(cc, ccc);
/* round 4: left lane */
ROUND(aa, bb, cc, dd, F4, K4, in[1], 11);
@@ -217,7 +217,7 @@ static void rmd256_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, aaa, F1, KK4, in[14], 8);
/* Swap contents of "d" registers */
- tmp = dd; dd = ddd; ddd = tmp;
+ swap(dd, ddd);
/* combine results */
state[0] += aa;
@@ -322,7 +322,6 @@ static struct shash_alg alg = {
.descsize = sizeof(struct rmd256_ctx),
.base = {
.cra_name = "rmd256",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = RMD256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/rmd320.c b/crypto/rmd320.c
index e1315e4869e8..3ae1df5bb48c 100644
--- a/crypto/rmd320.c
+++ b/crypto/rmd320.c
@@ -53,7 +53,7 @@ struct rmd320_ctx {
static void rmd320_transform(u32 *state, const __le32 *in)
{
- u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee, tmp;
+ u32 aa, bb, cc, dd, ee, aaa, bbb, ccc, ddd, eee;
/* Initialize left lane */
aa = state[0];
@@ -106,7 +106,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
ROUND(aaa, bbb, ccc, ddd, eee, F5, KK1, in[12], 6);
/* Swap contents of "a" registers */
- tmp = aa; aa = aaa; aaa = tmp;
+ swap(aa, aaa);
/* round 2: left lane" */
ROUND(ee, aa, bb, cc, dd, F2, K2, in[7], 7);
@@ -145,7 +145,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
ROUND(eee, aaa, bbb, ccc, ddd, F4, KK2, in[2], 11);
/* Swap contents of "b" registers */
- tmp = bb; bb = bbb; bbb = tmp;
+ swap(bb, bbb);
/* round 3: left lane" */
ROUND(dd, ee, aa, bb, cc, F3, K3, in[3], 11);
@@ -184,7 +184,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
ROUND(ddd, eee, aaa, bbb, ccc, F3, KK3, in[13], 5);
/* Swap contents of "c" registers */
- tmp = cc; cc = ccc; ccc = tmp;
+ swap(cc, ccc);
/* round 4: left lane" */
ROUND(cc, dd, ee, aa, bb, F4, K4, in[1], 11);
@@ -223,7 +223,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
ROUND(ccc, ddd, eee, aaa, bbb, F2, KK4, in[14], 8);
/* Swap contents of "d" registers */
- tmp = dd; dd = ddd; ddd = tmp;
+ swap(dd, ddd);
/* round 5: left lane" */
ROUND(bb, cc, dd, ee, aa, F5, K5, in[4], 9);
@@ -262,7 +262,7 @@ static void rmd320_transform(u32 *state, const __le32 *in)
ROUND(bbb, ccc, ddd, eee, aaa, F1, KK5, in[11], 11);
/* Swap contents of "e" registers */
- tmp = ee; ee = eee; eee = tmp;
+ swap(ee, eee);
/* combine results */
state[0] += aa;
@@ -371,7 +371,6 @@ static struct shash_alg alg = {
.descsize = sizeof(struct rmd320_ctx),
.base = {
.cra_name = "rmd320",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = RMD320_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c
index 6877cbb9105f..2af64ef81f40 100644
--- a/crypto/sha1_generic.c
+++ b/crypto/sha1_generic.c
@@ -76,7 +76,7 @@ static struct shash_alg alg = {
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_priority = 100,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index 8f9c47e1a96e..1e5ba6649e8d 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -271,7 +271,7 @@ static struct shash_alg sha256_algs[2] = { {
.base = {
.cra_name = "sha256",
.cra_driver_name= "sha256-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_priority = 100,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -285,7 +285,7 @@ static struct shash_alg sha256_algs[2] = { {
.base = {
.cra_name = "sha224",
.cra_driver_name= "sha224-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_priority = 100,
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c
index 7f6735d9003f..7ed98367d4fb 100644
--- a/crypto/sha3_generic.c
+++ b/crypto/sha3_generic.c
@@ -250,7 +250,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-224",
.base.cra_driver_name = "sha3-224-generic",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_224_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -261,7 +260,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-256",
.base.cra_driver_name = "sha3-256-generic",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_256_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -272,7 +270,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-384",
.base.cra_driver_name = "sha3-384-generic",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_384_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
}, {
@@ -283,7 +280,6 @@ static struct shash_alg algs[] = { {
.descsize = sizeof(struct sha3_state),
.base.cra_name = "sha3-512",
.base.cra_driver_name = "sha3-512-generic",
- .base.cra_flags = CRYPTO_ALG_TYPE_SHASH,
.base.cra_blocksize = SHA3_512_BLOCK_SIZE,
.base.cra_module = THIS_MODULE,
} };
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index eba965d18bfc..4097cd555eb6 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c
@@ -23,6 +23,28 @@
#include <asm/byteorder.h>
#include <asm/unaligned.h>
+const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = {
+ 0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38,
+ 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a,
+ 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43,
+ 0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda,
+ 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb,
+ 0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b
+};
+EXPORT_SYMBOL_GPL(sha384_zero_message_hash);
+
+const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE] = {
+ 0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd,
+ 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07,
+ 0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc,
+ 0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce,
+ 0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0,
+ 0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f,
+ 0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81,
+ 0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e
+};
+EXPORT_SYMBOL_GPL(sha512_zero_message_hash);
+
static inline u64 Ch(u64 x, u64 y, u64 z)
{
return z ^ (x & (y ^ z));
@@ -171,7 +193,7 @@ static struct shash_alg sha512_algs[2] = { {
.base = {
.cra_name = "sha512",
.cra_driver_name = "sha512-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_priority = 100,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -185,7 +207,7 @@ static struct shash_alg sha512_algs[2] = { {
.base = {
.cra_name = "sha384",
.cra_driver_name = "sha384-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_priority = 100,
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 0fe2a2923ad0..7d6a49fe3047 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -387,7 +387,6 @@ set_phys_lowmem:
}
return err;
}
-EXPORT_SYMBOL_GPL(skcipher_walk_next);
static int skcipher_copy_iv(struct skcipher_walk *walk)
{
diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c
index 9e823d99f095..9a5c60f08aad 100644
--- a/crypto/sm3_generic.c
+++ b/crypto/sm3_generic.c
@@ -184,7 +184,6 @@ static struct shash_alg sm3_alg = {
.base = {
.cra_name = "sm3",
.cra_driver_name = "sm3-generic",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = SM3_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index d5bcdd905007..078ec36007bf 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -1939,7 +1939,7 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb)
break;
case 109:
- ret += tcrypt_test("vmac(aes)");
+ ret += tcrypt_test("vmac64(aes)");
break;
case 111:
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 11e45352fd0b..a1d42245082a 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -259,9 +259,15 @@ out_nostate:
return ret;
}
+enum hash_test {
+ HASH_TEST_DIGEST,
+ HASH_TEST_FINAL,
+ HASH_TEST_FINUP
+};
+
static int __test_hash(struct crypto_ahash *tfm,
const struct hash_testvec *template, unsigned int tcount,
- bool use_digest, const int align_offset)
+ enum hash_test test_type, const int align_offset)
{
const char *algo = crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
size_t digest_size = crypto_ahash_digestsize(tfm);
@@ -332,14 +338,17 @@ static int __test_hash(struct crypto_ahash *tfm,
}
ahash_request_set_crypt(req, sg, result, template[i].psize);
- if (use_digest) {
+ switch (test_type) {
+ case HASH_TEST_DIGEST:
ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
if (ret) {
pr_err("alg: hash: digest failed on test %d "
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
- } else {
+ break;
+
+ case HASH_TEST_FINAL:
memset(result, 1, digest_size);
ret = crypto_wait_req(crypto_ahash_init(req), &wait);
if (ret) {
@@ -371,6 +380,29 @@ static int __test_hash(struct crypto_ahash *tfm,
"for %s: ret=%d\n", j, algo, -ret);
goto out;
}
+ break;
+
+ case HASH_TEST_FINUP:
+ memset(result, 1, digest_size);
+ ret = crypto_wait_req(crypto_ahash_init(req), &wait);
+ if (ret) {
+ pr_err("alg: hash: init failed on test %d "
+ "for %s: ret=%d\n", j, algo, -ret);
+ goto out;
+ }
+ ret = ahash_guard_result(result, 1, digest_size);
+ if (ret) {
+ pr_err("alg: hash: init failed on test %d "
+ "for %s: used req->result\n", j, algo);
+ goto out;
+ }
+ ret = crypto_wait_req(crypto_ahash_finup(req), &wait);
+ if (ret) {
+ pr_err("alg: hash: final failed on test %d "
+ "for %s: ret=%d\n", j, algo, -ret);
+ goto out;
+ }
+ break;
}
if (memcmp(result, template[i].digest,
@@ -383,6 +415,9 @@ static int __test_hash(struct crypto_ahash *tfm,
}
}
+ if (test_type)
+ goto out;
+
j = 0;
for (i = 0; i < tcount; i++) {
/* alignment tests are only done with continuous buffers */
@@ -540,24 +575,24 @@ out_nobuf:
static int test_hash(struct crypto_ahash *tfm,
const struct hash_testvec *template,
- unsigned int tcount, bool use_digest)
+ unsigned int tcount, enum hash_test test_type)
{
unsigned int alignmask;
int ret;
- ret = __test_hash(tfm, template, tcount, use_digest, 0);
+ ret = __test_hash(tfm, template, tcount, test_type, 0);
if (ret)
return ret;
/* test unaligned buffers, check with one byte offset */
- ret = __test_hash(tfm, template, tcount, use_digest, 1);
+ ret = __test_hash(tfm, template, tcount, test_type, 1);
if (ret)
return ret;
alignmask = crypto_tfm_alg_alignmask(&tfm->base);
if (alignmask) {
/* Check if alignment mask for tfm is correctly set. */
- ret = __test_hash(tfm, template, tcount, use_digest,
+ ret = __test_hash(tfm, template, tcount, test_type,
alignmask + 1);
if (ret)
return ret;
@@ -1803,9 +1838,11 @@ static int __alg_test_hash(const struct hash_testvec *template,
return PTR_ERR(tfm);
}
- err = test_hash(tfm, template, tcount, true);
+ err = test_hash(tfm, template, tcount, HASH_TEST_DIGEST);
+ if (!err)
+ err = test_hash(tfm, template, tcount, HASH_TEST_FINAL);
if (!err)
- err = test_hash(tfm, template, tcount, false);
+ err = test_hash(tfm, template, tcount, HASH_TEST_FINUP);
crypto_free_ahash(tfm);
return err;
}
@@ -3478,10 +3515,10 @@ static const struct alg_test_desc alg_test_descs[] = {
.hash = __VECS(tgr192_tv_template)
}
}, {
- .alg = "vmac(aes)",
+ .alg = "vmac64(aes)",
.test = alg_test_hash,
.suite = {
- .hash = __VECS(aes_vmac128_tv_template)
+ .hash = __VECS(vmac64_aes_tv_template)
}
}, {
.alg = "wp256",
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index b950aa234e43..759462d65f41 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -644,12 +644,14 @@ static const struct kpp_testvec dh_tv_template[] = {
"\x11\x02" /* len */
"\x00\x01\x00\x00" /* key_size */
"\x00\x01\x00\x00" /* p_size */
+ "\x00\x00\x00\x00" /* q_size */
"\x01\x00\x00\x00" /* g_size */
#else
"\x00\x01" /* type */
"\x02\x11" /* len */
"\x00\x00\x01\x00" /* key_size */
"\x00\x00\x01\x00" /* p_size */
+ "\x00\x00\x00\x00" /* q_size */
"\x00\x00\x00\x01" /* g_size */
#endif
/* xa */
@@ -751,12 +753,14 @@ static const struct kpp_testvec dh_tv_template[] = {
"\x11\x02" /* len */
"\x00\x01\x00\x00" /* key_size */
"\x00\x01\x00\x00" /* p_size */
+ "\x00\x00\x00\x00" /* q_size */
"\x01\x00\x00\x00" /* g_size */
#else
"\x00\x01" /* type */
"\x02\x11" /* len */
"\x00\x00\x01\x00" /* key_size */
"\x00\x00\x01\x00" /* p_size */
+ "\x00\x00\x00\x00" /* q_size */
"\x00\x00\x00\x01" /* g_size */
#endif
/* xa */
@@ -4603,105 +4607,158 @@ static const struct hash_testvec aes_xcbc128_tv_template[] = {
}
};
-static const char vmac_string1[128] = {'\x01', '\x01', '\x01', '\x01',
- '\x02', '\x03', '\x02', '\x02',
- '\x02', '\x04', '\x01', '\x07',
- '\x04', '\x01', '\x04', '\x03',};
-static const char vmac_string2[128] = {'a', 'b', 'c',};
-static const char vmac_string3[128] = {'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- 'a', 'b', 'c', 'a', 'b', 'c',
- };
+static const char vmac64_string1[144] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\x01', '\x01', '\x01', '\x01', '\x02', '\x03', '\x02', '\x02',
+ '\x02', '\x04', '\x01', '\x07', '\x04', '\x01', '\x04', '\x03',
+};
-static const char vmac_string4[17] = {'b', 'c', 'e', 'f',
- 'i', 'j', 'l', 'm',
- 'o', 'p', 'r', 's',
- 't', 'u', 'w', 'x', 'z'};
+static const char vmac64_string2[144] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ 'a', 'b', 'c',
+};
-static const char vmac_string5[127] = {'r', 'm', 'b', 't', 'c',
- 'o', 'l', 'k', ']', '%',
- '9', '2', '7', '!', 'A'};
+static const char vmac64_string3[144] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ 'a', 'b', 'c', 'a', 'b', 'c', 'a', 'b',
+ 'c', 'a', 'b', 'c', 'a', 'b', 'c', 'a',
+ 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c',
+ 'a', 'b', 'c', 'a', 'b', 'c', 'a', 'b',
+ 'c', 'a', 'b', 'c', 'a', 'b', 'c', 'a',
+ 'b', 'c', 'a', 'b', 'c', 'a', 'b', 'c',
+};
-static const char vmac_string6[129] = {'p', 't', '*', '7', 'l',
- 'i', '!', '#', 'w', '0',
- 'z', '/', '4', 'A', 'n'};
+static const char vmac64_string4[33] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ 'b', 'c', 'e', 'f', 'i', 'j', 'l', 'm',
+ 'o', 'p', 'r', 's', 't', 'u', 'w', 'x',
+ 'z',
+};
-static const struct hash_testvec aes_vmac128_tv_template[] = {
- {
+static const char vmac64_string5[143] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ 'r', 'm', 'b', 't', 'c', 'o', 'l', 'k',
+ ']', '%', '9', '2', '7', '!', 'A',
+};
+
+static const char vmac64_string6[145] = {
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ 'p', 't', '*', '7', 'l', 'i', '!', '#',
+ 'w', '0', 'z', '/', '4', 'A', 'n',
+};
+
+static const struct hash_testvec vmac64_aes_tv_template[] = {
+ { /* draft-krovetz-vmac-01 test vector 1 */
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = "\0\0\0\0\0\0\0\0bcdefghi",
+ .psize = 16,
+ .digest = "\x25\x76\xbe\x1c\x56\xd8\xb8\x1b",
+ }, { /* draft-krovetz-vmac-01 test vector 2 */
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = "\0\0\0\0\0\0\0\0bcdefghiabc",
+ .psize = 19,
+ .digest = "\x2d\x37\x6c\xf5\xb1\x81\x3c\xe5",
+ }, { /* draft-krovetz-vmac-01 test vector 3 */
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = "\0\0\0\0\0\0\0\0bcdefghi"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc",
+ .psize = 64,
+ .digest = "\xe8\x42\x1f\x61\xd5\x73\xd2\x98",
+ }, { /* draft-krovetz-vmac-01 test vector 4 */
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = "\0\0\0\0\0\0\0\0bcdefghi"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabcabc"
+ "abcabcabcabcabcabcabcabcabcabcabcabcabcabcabc",
+ .psize = 316,
+ .digest = "\x44\x92\xdf\x6c\x5c\xac\x1b\xbe",
+ .tap = { 1, 100, 200, 15 },
+ .np = 4,
+ }, {
.key = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
- .plaintext = NULL,
- .digest = "\x07\x58\x80\x35\x77\xa4\x7b\x54",
- .psize = 0,
.ksize = 16,
+ .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x00\x00\x00\x00\x00\x00\x00\x00",
+ .psize = 16,
+ .digest = "\x54\x7b\xa4\x77\x35\x80\x58\x07",
}, {
- .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
+ .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
- .plaintext = vmac_string1,
- .digest = "\xce\xf5\x3c\xd3\xae\x68\x8c\xa1",
- .psize = 128,
- .ksize = 16,
+ .ksize = 16,
+ .plaintext = vmac64_string1,
+ .psize = sizeof(vmac64_string1),
+ .digest = "\xa1\x8c\x68\xae\xd3\x3c\xf5\xce",
}, {
- .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
+ .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
- .plaintext = vmac_string2,
- .digest = "\xc9\x27\xb0\x73\x81\xbd\x14\x2d",
- .psize = 128,
- .ksize = 16,
+ .ksize = 16,
+ .plaintext = vmac64_string2,
+ .psize = sizeof(vmac64_string2),
+ .digest = "\x2d\x14\xbd\x81\x73\xb0\x27\xc9",
}, {
- .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
+ .key = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
- .plaintext = vmac_string3,
- .digest = "\x8d\x1a\x95\x8c\x98\x47\x0b\x19",
- .psize = 128,
- .ksize = 16,
+ .ksize = 16,
+ .plaintext = vmac64_string3,
+ .psize = sizeof(vmac64_string3),
+ .digest = "\x19\x0b\x47\x98\x8c\x95\x1a\x8d",
}, {
.key = "abcdefghijklmnop",
- .plaintext = NULL,
- .digest = "\x3b\x89\xa1\x26\x9e\x55\x8f\x84",
- .psize = 0,
.ksize = 16,
+ .plaintext = "\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x00\x00\x00\x00\x00\x00\x00\x00",
+ .psize = 16,
+ .digest = "\x84\x8f\x55\x9e\x26\xa1\x89\x3b",
}, {
- .key = "abcdefghijklmnop",
- .plaintext = vmac_string1,
- .digest = "\xab\x5e\xab\xb0\xf6\x8d\x74\xc2",
- .psize = 128,
- .ksize = 16,
- }, {
- .key = "abcdefghijklmnop",
- .plaintext = vmac_string2,
- .digest = "\x11\x15\x68\x42\x3d\x7b\x09\xdf",
- .psize = 128,
- .ksize = 16,
- }, {
- .key = "abcdefghijklmnop",
- .plaintext = vmac_string3,
- .digest = "\x8b\x32\x8f\xe1\xed\x8f\xfa\xd4",
- .psize = 128,
- .ksize = 16,
- }, {
- .key = "a09b5cd!f#07K\x00\x00\x00",
- .plaintext = vmac_string4,
- .digest = "\xab\xa5\x0f\xea\x42\x4e\xa1\x5f",
- .psize = sizeof(vmac_string4),
- .ksize = 16,
- }, {
- .key = "a09b5cd!f#07K\x00\x00\x00",
- .plaintext = vmac_string5,
- .digest = "\x25\x31\x98\xbc\x1d\xe8\x67\x60",
- .psize = sizeof(vmac_string5),
- .ksize = 16,
- }, {
- .key = "a09b5cd!f#07K\x00\x00\x00",
- .plaintext = vmac_string6,
- .digest = "\xc4\xae\x9b\x47\x95\x65\xeb\x41",
- .psize = sizeof(vmac_string6),
- .ksize = 16,
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = vmac64_string1,
+ .psize = sizeof(vmac64_string1),
+ .digest = "\xc2\x74\x8d\xf6\xb0\xab\x5e\xab",
+ }, {
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = vmac64_string2,
+ .psize = sizeof(vmac64_string2),
+ .digest = "\xdf\x09\x7b\x3d\x42\x68\x15\x11",
+ }, {
+ .key = "abcdefghijklmnop",
+ .ksize = 16,
+ .plaintext = vmac64_string3,
+ .psize = sizeof(vmac64_string3),
+ .digest = "\xd4\xfa\x8f\xed\xe1\x8f\x32\x8b",
+ }, {
+ .key = "a09b5cd!f#07K\x00\x00\x00",
+ .ksize = 16,
+ .plaintext = vmac64_string4,
+ .psize = sizeof(vmac64_string4),
+ .digest = "\x5f\xa1\x4e\x42\xea\x0f\xa5\xab",
+ }, {
+ .key = "a09b5cd!f#07K\x00\x00\x00",
+ .ksize = 16,
+ .plaintext = vmac64_string5,
+ .psize = sizeof(vmac64_string5),
+ .digest = "\x60\x67\xe8\x1d\xbc\x98\x31\x25",
+ }, {
+ .key = "a09b5cd!f#07K\x00\x00\x00",
+ .ksize = 16,
+ .plaintext = vmac64_string6,
+ .psize = sizeof(vmac64_string6),
+ .digest = "\x41\xeb\x65\x95\x47\x9b\xae\xc4",
},
};
diff --git a/crypto/tgr192.c b/crypto/tgr192.c
index 321bc6ff2a9d..022d3dd76c3b 100644
--- a/crypto/tgr192.c
+++ b/crypto/tgr192.c
@@ -636,7 +636,6 @@ static struct shash_alg tgr_algs[3] = { {
.descsize = sizeof(struct tgr192_ctx),
.base = {
.cra_name = "tgr192",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = TGR192_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -648,7 +647,6 @@ static struct shash_alg tgr_algs[3] = { {
.descsize = sizeof(struct tgr192_ctx),
.base = {
.cra_name = "tgr160",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = TGR192_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -660,7 +658,6 @@ static struct shash_alg tgr_algs[3] = { {
.descsize = sizeof(struct tgr192_ctx),
.base = {
.cra_name = "tgr128",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = TGR192_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
diff --git a/crypto/vmac.c b/crypto/vmac.c
index df76a816cfb2..5f436dfdfc61 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -1,6 +1,10 @@
/*
- * Modified to interface to the Linux kernel
+ * VMAC: Message Authentication Code using Universal Hashing
+ *
+ * Reference: https://tools.ietf.org/html/draft-krovetz-vmac-01
+ *
* Copyright (c) 2009, Intel Corporation.
+ * Copyright (c) 2018, Google Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -16,14 +20,15 @@
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
-/* --------------------------------------------------------------------------
- * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
- * This implementation is herby placed in the public domain.
- * The authors offers no warranty. Use at your own risk.
- * Please send bug reports to the authors.
- * Last modified: 17 APR 08, 1700 PDT
- * ----------------------------------------------------------------------- */
+/*
+ * Derived from:
+ * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
+ * This implementation is herby placed in the public domain.
+ * The authors offers no warranty. Use at your own risk.
+ * Last modified: 17 APR 08, 1700 PDT
+ */
+#include <asm/unaligned.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/crypto.h>
@@ -31,10 +36,42 @@
#include <linux/scatterlist.h>
#include <asm/byteorder.h>
#include <crypto/scatterwalk.h>
-#include <crypto/vmac.h>
#include <crypto/internal/hash.h>
/*
+ * User definable settings.
+ */
+#define VMAC_TAG_LEN 64
+#define VMAC_KEY_SIZE 128/* Must be 128, 192 or 256 */
+#define VMAC_KEY_LEN (VMAC_KEY_SIZE/8)
+#define VMAC_NHBYTES 128/* Must 2^i for any 3 < i < 13 Standard = 128*/
+#define VMAC_NONCEBYTES 16
+
+/* per-transform (per-key) context */
+struct vmac_tfm_ctx {
+ struct crypto_cipher *cipher;
+ u64 nhkey[(VMAC_NHBYTES/8)+2*(VMAC_TAG_LEN/64-1)];
+ u64 polykey[2*VMAC_TAG_LEN/64];
+ u64 l3key[2*VMAC_TAG_LEN/64];
+};
+
+/* per-request context */
+struct vmac_desc_ctx {
+ union {
+ u8 partial[VMAC_NHBYTES]; /* partial block */
+ __le64 partial_words[VMAC_NHBYTES / 8];
+ };
+ unsigned int partial_size; /* size of the partial block */
+ bool first_block_processed;
+ u64 polytmp[2*VMAC_TAG_LEN/64]; /* running total of L2-hash */
+ union {
+ u8 bytes[VMAC_NONCEBYTES];
+ __be64 pads[VMAC_NONCEBYTES / 8];
+ } nonce;
+ unsigned int nonce_size; /* nonce bytes filled so far */
+};
+
+/*
* Constants and masks
*/
#define UINT64_C(x) x##ULL
@@ -318,13 +355,6 @@ static void poly_step_func(u64 *ahi, u64 *alo,
} while (0)
#endif
-static void vhash_abort(struct vmac_ctx *ctx)
-{
- ctx->polytmp[0] = ctx->polykey[0] ;
- ctx->polytmp[1] = ctx->polykey[1] ;
- ctx->first_block_processed = 0;
-}
-
static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
{
u64 rh, rl, t, z = 0;
@@ -364,280 +394,227 @@ static u64 l3hash(u64 p1, u64 p2, u64 k1, u64 k2, u64 len)
return rl;
}
-static void vhash_update(const unsigned char *m,
- unsigned int mbytes, /* Pos multiple of VMAC_NHBYTES */
- struct vmac_ctx *ctx)
+/* L1 and L2-hash one or more VMAC_NHBYTES-byte blocks */
+static void vhash_blocks(const struct vmac_tfm_ctx *tctx,
+ struct vmac_desc_ctx *dctx,
+ const __le64 *mptr, unsigned int blocks)
{
- u64 rh, rl, *mptr;
- const u64 *kptr = (u64 *)ctx->nhkey;
- int i;
- u64 ch, cl;
- u64 pkh = ctx->polykey[0];
- u64 pkl = ctx->polykey[1];
-
- if (!mbytes)
- return;
-
- BUG_ON(mbytes % VMAC_NHBYTES);
-
- mptr = (u64 *)m;
- i = mbytes / VMAC_NHBYTES; /* Must be non-zero */
-
- ch = ctx->polytmp[0];
- cl = ctx->polytmp[1];
-
- if (!ctx->first_block_processed) {
- ctx->first_block_processed = 1;
+ const u64 *kptr = tctx->nhkey;
+ const u64 pkh = tctx->polykey[0];
+ const u64 pkl = tctx->polykey[1];
+ u64 ch = dctx->polytmp[0];
+ u64 cl = dctx->polytmp[1];
+ u64 rh, rl;
+
+ if (!dctx->first_block_processed) {
+ dctx->first_block_processed = true;
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
rh &= m62;
ADD128(ch, cl, rh, rl);
mptr += (VMAC_NHBYTES/sizeof(u64));
- i--;
+ blocks--;
}
- while (i--) {
+ while (blocks--) {
nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
rh &= m62;
poly_step(ch, cl, pkh, pkl, rh, rl);
mptr += (VMAC_NHBYTES/sizeof(u64));
}
- ctx->polytmp[0] = ch;
- ctx->polytmp[1] = cl;
+ dctx->polytmp[0] = ch;
+ dctx->polytmp[1] = cl;
}
-static u64 vhash(unsigned char m[], unsigned int mbytes,
- u64 *tagl, struct vmac_ctx *ctx)
+static int vmac_setkey(struct crypto_shash *tfm,
+ const u8 *key, unsigned int keylen)
{
- u64 rh, rl, *mptr;
- const u64 *kptr = (u64 *)ctx->nhkey;
- int i, remaining;
- u64 ch, cl;
- u64 pkh = ctx->polykey[0];
- u64 pkl = ctx->polykey[1];
-
- mptr = (u64 *)m;
- i = mbytes / VMAC_NHBYTES;
- remaining = mbytes % VMAC_NHBYTES;
-
- if (ctx->first_block_processed) {
- ch = ctx->polytmp[0];
- cl = ctx->polytmp[1];
- } else if (i) {
- nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, ch, cl);
- ch &= m62;
- ADD128(ch, cl, pkh, pkl);
- mptr += (VMAC_NHBYTES/sizeof(u64));
- i--;
- } else if (remaining) {
- nh_16(mptr, kptr, 2*((remaining+15)/16), ch, cl);
- ch &= m62;
- ADD128(ch, cl, pkh, pkl);
- mptr += (VMAC_NHBYTES/sizeof(u64));
- goto do_l3;
- } else {/* Empty String */
- ch = pkh; cl = pkl;
- goto do_l3;
- }
-
- while (i--) {
- nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
- rh &= m62;
- poly_step(ch, cl, pkh, pkl, rh, rl);
- mptr += (VMAC_NHBYTES/sizeof(u64));
- }
- if (remaining) {
- nh_16(mptr, kptr, 2*((remaining+15)/16), rh, rl);
- rh &= m62;
- poly_step(ch, cl, pkh, pkl, rh, rl);
- }
-
-do_l3:
- vhash_abort(ctx);
- remaining *= 8;
- return l3hash(ch, cl, ctx->l3key[0], ctx->l3key[1], remaining);
-}
+ struct vmac_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+ __be64 out[2];
+ u8 in[16] = { 0 };
+ unsigned int i;
+ int err;
-static u64 vmac(unsigned char m[], unsigned int mbytes,
- const unsigned char n[16], u64 *tagl,
- struct vmac_ctx_t *ctx)
-{
- u64 *in_n, *out_p;
- u64 p, h;
- int i;
-
- in_n = ctx->__vmac_ctx.cached_nonce;
- out_p = ctx->__vmac_ctx.cached_aes;
-
- i = n[15] & 1;
- if ((*(u64 *)(n+8) != in_n[1]) || (*(u64 *)(n) != in_n[0])) {
- in_n[0] = *(u64 *)(n);
- in_n[1] = *(u64 *)(n+8);
- ((unsigned char *)in_n)[15] &= 0xFE;
- crypto_cipher_encrypt_one(ctx->child,
- (unsigned char *)out_p, (unsigned char *)in_n);
-
- ((unsigned char *)in_n)[15] |= (unsigned char)(1-i);
+ if (keylen != VMAC_KEY_LEN) {
+ crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
}
- p = be64_to_cpup(out_p + i);
- h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx);
- return le64_to_cpu(p + h);
-}
-static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx)
-{
- u64 in[2] = {0}, out[2];
- unsigned i;
- int err = 0;
-
- err = crypto_cipher_setkey(ctx->child, user_key, VMAC_KEY_LEN);
+ err = crypto_cipher_setkey(tctx->cipher, key, keylen);
if (err)
return err;
/* Fill nh key */
- ((unsigned char *)in)[0] = 0x80;
- for (i = 0; i < sizeof(ctx->__vmac_ctx.nhkey)/8; i += 2) {
- crypto_cipher_encrypt_one(ctx->child,
- (unsigned char *)out, (unsigned char *)in);
- ctx->__vmac_ctx.nhkey[i] = be64_to_cpup(out);
- ctx->__vmac_ctx.nhkey[i+1] = be64_to_cpup(out+1);
- ((unsigned char *)in)[15] += 1;
+ in[0] = 0x80;
+ for (i = 0; i < ARRAY_SIZE(tctx->nhkey); i += 2) {
+ crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
+ tctx->nhkey[i] = be64_to_cpu(out[0]);
+ tctx->nhkey[i+1] = be64_to_cpu(out[1]);
+ in[15]++;
}
/* Fill poly key */
- ((unsigned char *)in)[0] = 0xC0;
- in[1] = 0;
- for (i = 0; i < sizeof(ctx->__vmac_ctx.polykey)/8; i += 2) {
- crypto_cipher_encrypt_one(ctx->child,
- (unsigned char *)out, (unsigned char *)in);
- ctx->__vmac_ctx.polytmp[i] =
- ctx->__vmac_ctx.polykey[i] =
- be64_to_cpup(out) & mpoly;
- ctx->__vmac_ctx.polytmp[i+1] =
- ctx->__vmac_ctx.polykey[i+1] =
- be64_to_cpup(out+1) & mpoly;
- ((unsigned char *)in)[15] += 1;
+ in[0] = 0xC0;
+ in[15] = 0;
+ for (i = 0; i < ARRAY_SIZE(tctx->polykey); i += 2) {
+ crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
+ tctx->polykey[i] = be64_to_cpu(out[0]) & mpoly;
+ tctx->polykey[i+1] = be64_to_cpu(out[1]) & mpoly;
+ in[15]++;
}
/* Fill ip key */
- ((unsigned char *)in)[0] = 0xE0;
- in[1] = 0;
- for (i = 0; i < sizeof(ctx->__vmac_ctx.l3key)/8; i += 2) {
+ in[0] = 0xE0;
+ in[15] = 0;
+ for (i = 0; i < ARRAY_SIZE(tctx->l3key); i += 2) {
do {
- crypto_cipher_encrypt_one(ctx->child,
- (unsigned char *)out, (unsigned char *)in);
- ctx->__vmac_ctx.l3key[i] = be64_to_cpup(out);
- ctx->__vmac_ctx.l3key[i+1] = be64_to_cpup(out+1);
- ((unsigned char *)in)[15] += 1;
- } while (ctx->__vmac_ctx.l3key[i] >= p64
- || ctx->__vmac_ctx.l3key[i+1] >= p64);
+ crypto_cipher_encrypt_one(tctx->cipher, (u8 *)out, in);
+ tctx->l3key[i] = be64_to_cpu(out[0]);
+ tctx->l3key[i+1] = be64_to_cpu(out[1]);
+ in[15]++;
+ } while (tctx->l3key[i] >= p64 || tctx->l3key[i+1] >= p64);
}
- /* Invalidate nonce/aes cache and reset other elements */
- ctx->__vmac_ctx.cached_nonce[0] = (u64)-1; /* Ensure illegal nonce */
- ctx->__vmac_ctx.cached_nonce[1] = (u64)0; /* Ensure illegal nonce */
- ctx->__vmac_ctx.first_block_processed = 0;
-
- return err;
+ return 0;
}
-static int vmac_setkey(struct crypto_shash *parent,
- const u8 *key, unsigned int keylen)
+static int vmac_init(struct shash_desc *desc)
{
- struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
+ const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
- if (keylen != VMAC_KEY_LEN) {
- crypto_shash_set_flags(parent, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
-
- return vmac_set_key((u8 *)key, ctx);
-}
-
-static int vmac_init(struct shash_desc *pdesc)
-{
+ dctx->partial_size = 0;
+ dctx->first_block_processed = false;
+ memcpy(dctx->polytmp, tctx->polykey, sizeof(dctx->polytmp));
+ dctx->nonce_size = 0;
return 0;
}
-static int vmac_update(struct shash_desc *pdesc, const u8 *p,
- unsigned int len)
+static int vmac_update(struct shash_desc *desc, const u8 *p, unsigned int len)
{
- struct crypto_shash *parent = pdesc->tfm;
- struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
- int expand;
- int min;
-
- expand = VMAC_NHBYTES - ctx->partial_size > 0 ?
- VMAC_NHBYTES - ctx->partial_size : 0;
-
- min = len < expand ? len : expand;
+ const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
+ unsigned int n;
+
+ /* Nonce is passed as first VMAC_NONCEBYTES bytes of data */
+ if (dctx->nonce_size < VMAC_NONCEBYTES) {
+ n = min(len, VMAC_NONCEBYTES - dctx->nonce_size);
+ memcpy(&dctx->nonce.bytes[dctx->nonce_size], p, n);
+ dctx->nonce_size += n;
+ p += n;
+ len -= n;
+ }
- memcpy(ctx->partial + ctx->partial_size, p, min);
- ctx->partial_size += min;
+ if (dctx->partial_size) {
+ n = min(len, VMAC_NHBYTES - dctx->partial_size);
+ memcpy(&dctx->partial[dctx->partial_size], p, n);
+ dctx->partial_size += n;
+ p += n;
+ len -= n;
+ if (dctx->partial_size == VMAC_NHBYTES) {
+ vhash_blocks(tctx, dctx, dctx->partial_words, 1);
+ dctx->partial_size = 0;
+ }
+ }
- if (len < expand)
- return 0;
+ if (len >= VMAC_NHBYTES) {
+ n = round_down(len, VMAC_NHBYTES);
+ /* TODO: 'p' may be misaligned here */
+ vhash_blocks(tctx, dctx, (const __le64 *)p, n / VMAC_NHBYTES);
+ p += n;
+ len -= n;
+ }
- vhash_update(ctx->partial, VMAC_NHBYTES, &ctx->__vmac_ctx);
- ctx->partial_size = 0;
+ if (len) {
+ memcpy(dctx->partial, p, len);
+ dctx->partial_size = len;
+ }
- len -= expand;
- p += expand;
+ return 0;
+}
- if (len % VMAC_NHBYTES) {
- memcpy(ctx->partial, p + len - (len % VMAC_NHBYTES),
- len % VMAC_NHBYTES);
- ctx->partial_size = len % VMAC_NHBYTES;
+static u64 vhash_final(const struct vmac_tfm_ctx *tctx,
+ struct vmac_desc_ctx *dctx)
+{
+ unsigned int partial = dctx->partial_size;
+ u64 ch = dctx->polytmp[0];
+ u64 cl = dctx->polytmp[1];
+
+ /* L1 and L2-hash the final block if needed */
+ if (partial) {
+ /* Zero-pad to next 128-bit boundary */
+ unsigned int n = round_up(partial, 16);
+ u64 rh, rl;
+
+ memset(&dctx->partial[partial], 0, n - partial);
+ nh_16(dctx->partial_words, tctx->nhkey, n / 8, rh, rl);
+ rh &= m62;
+ if (dctx->first_block_processed)
+ poly_step(ch, cl, tctx->polykey[0], tctx->polykey[1],
+ rh, rl);
+ else
+ ADD128(ch, cl, rh, rl);
}
- vhash_update(p, len - len % VMAC_NHBYTES, &ctx->__vmac_ctx);
-
- return 0;
+ /* L3-hash the 128-bit output of L2-hash */
+ return l3hash(ch, cl, tctx->l3key[0], tctx->l3key[1], partial * 8);
}
-static int vmac_final(struct shash_desc *pdesc, u8 *out)
+static int vmac_final(struct shash_desc *desc, u8 *out)
{
- struct crypto_shash *parent = pdesc->tfm;
- struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
- vmac_t mac;
- u8 nonce[16] = {};
-
- /* vmac() ends up accessing outside the array bounds that
- * we specify. In appears to access up to the next 2-word
- * boundary. We'll just be uber cautious and zero the
- * unwritten bytes in the buffer.
+ const struct vmac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct vmac_desc_ctx *dctx = shash_desc_ctx(desc);
+ int index;
+ u64 hash, pad;
+
+ if (dctx->nonce_size != VMAC_NONCEBYTES)
+ return -EINVAL;
+
+ /*
+ * The VMAC specification requires a nonce at least 1 bit shorter than
+ * the block cipher's block length, so we actually only accept a 127-bit
+ * nonce. We define the unused bit to be the first one and require that
+ * it be 0, so the needed prepending of a 0 bit is implicit.
*/
- if (ctx->partial_size) {
- memset(ctx->partial + ctx->partial_size, 0,
- VMAC_NHBYTES - ctx->partial_size);
- }
- mac = vmac(ctx->partial, ctx->partial_size, nonce, NULL, ctx);
- memcpy(out, &mac, sizeof(vmac_t));
- memzero_explicit(&mac, sizeof(vmac_t));
- memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
- ctx->partial_size = 0;
+ if (dctx->nonce.bytes[0] & 0x80)
+ return -EINVAL;
+
+ /* Finish calculating the VHASH of the message */
+ hash = vhash_final(tctx, dctx);
+
+ /* Generate pseudorandom pad by encrypting the nonce */
+ BUILD_BUG_ON(VMAC_NONCEBYTES != 2 * (VMAC_TAG_LEN / 8));
+ index = dctx->nonce.bytes[VMAC_NONCEBYTES - 1] & 1;
+ dctx->nonce.bytes[VMAC_NONCEBYTES - 1] &= ~1;
+ crypto_cipher_encrypt_one(tctx->cipher, dctx->nonce.bytes,
+ dctx->nonce.bytes);
+ pad = be64_to_cpu(dctx->nonce.pads[index]);
+
+ /* The VMAC is the sum of VHASH and the pseudorandom pad */
+ put_unaligned_be64(hash + pad, out);
return 0;
}
static int vmac_init_tfm(struct crypto_tfm *tfm)
{
- struct crypto_cipher *cipher;
- struct crypto_instance *inst = (void *)tfm->__crt_alg;
+ struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
struct crypto_spawn *spawn = crypto_instance_ctx(inst);
- struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
+ struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm);
+ struct crypto_cipher *cipher;
cipher = crypto_spawn_cipher(spawn);
if (IS_ERR(cipher))
return PTR_ERR(cipher);
- ctx->child = cipher;
+ tctx->cipher = cipher;
return 0;
}
static void vmac_exit_tfm(struct crypto_tfm *tfm)
{
- struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
- crypto_free_cipher(ctx->child);
+ struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm);
+
+ crypto_free_cipher(tctx->cipher);
}
static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
@@ -655,7 +632,11 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
if (IS_ERR(alg))
return PTR_ERR(alg);
- inst = shash_alloc_instance("vmac", alg);
+ err = -EINVAL;
+ if (alg->cra_blocksize != VMAC_NONCEBYTES)
+ goto out_put_alg;
+
+ inst = shash_alloc_instance(tmpl->name, alg);
err = PTR_ERR(inst);
if (IS_ERR(inst))
goto out_put_alg;
@@ -670,11 +651,12 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
inst->alg.base.cra_blocksize = alg->cra_blocksize;
inst->alg.base.cra_alignmask = alg->cra_alignmask;
- inst->alg.digestsize = sizeof(vmac_t);
- inst->alg.base.cra_ctxsize = sizeof(struct vmac_ctx_t);
+ inst->alg.base.cra_ctxsize = sizeof(struct vmac_tfm_ctx);
inst->alg.base.cra_init = vmac_init_tfm;
inst->alg.base.cra_exit = vmac_exit_tfm;
+ inst->alg.descsize = sizeof(struct vmac_desc_ctx);
+ inst->alg.digestsize = VMAC_TAG_LEN / 8;
inst->alg.init = vmac_init;
inst->alg.update = vmac_update;
inst->alg.final = vmac_final;
@@ -691,8 +673,8 @@ out_put_alg:
return err;
}
-static struct crypto_template vmac_tmpl = {
- .name = "vmac",
+static struct crypto_template vmac64_tmpl = {
+ .name = "vmac64",
.create = vmac_create,
.free = shash_free_instance,
.module = THIS_MODULE,
@@ -700,12 +682,12 @@ static struct crypto_template vmac_tmpl = {
static int __init vmac_module_init(void)
{
- return crypto_register_template(&vmac_tmpl);
+ return crypto_register_template(&vmac64_tmpl);
}
static void __exit vmac_module_exit(void)
{
- crypto_unregister_template(&vmac_tmpl);
+ crypto_unregister_template(&vmac64_tmpl);
}
module_init(vmac_module_init);
@@ -713,4 +695,4 @@ module_exit(vmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VMAC hash algorithm");
-MODULE_ALIAS_CRYPTO("vmac");
+MODULE_ALIAS_CRYPTO("vmac64");
diff --git a/crypto/wp512.c b/crypto/wp512.c
index 7ee5a043a988..149e577fb772 100644
--- a/crypto/wp512.c
+++ b/crypto/wp512.c
@@ -1127,7 +1127,6 @@ static struct shash_alg wp_algs[3] = { {
.descsize = sizeof(struct wp512_ctx),
.base = {
.cra_name = "wp512",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = WP512_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -1139,7 +1138,6 @@ static struct shash_alg wp_algs[3] = { {
.descsize = sizeof(struct wp512_ctx),
.base = {
.cra_name = "wp384",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = WP512_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
@@ -1151,7 +1149,6 @@ static struct shash_alg wp_algs[3] = { {
.descsize = sizeof(struct wp512_ctx),
.base = {
.cra_name = "wp256",
- .cra_flags = CRYPTO_ALG_TYPE_SHASH,
.cra_blocksize = WP512_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.