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authorHerbert Xu <herbert@gondor.apana.org.au>2016-11-30 19:53:12 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-11-30 19:53:12 +0800
commit479d014de544a0916037fcf77e873f815545cd5e (patch)
tree6752a8184e2f2696c31ab141576e9902410c6c75
parent585b5fa63da92b2d46d5c1735a5c46e9a1486bbe (diff)
parent57891633eeef60e732e045731cf20e50ee80acb4 (diff)
downloadlinux-479d014de544a0916037fcf77e873f815545cd5e.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pull in chelsio chcr fix.
-rw-r--r--crypto/Makefile1
-rw-r--r--crypto/algif_hash.c17
-rw-r--r--crypto/drbg.c29
-rw-r--r--crypto/scatterwalk.c4
-rw-r--r--drivers/crypto/caam/caamalg.c9
-rw-r--r--drivers/crypto/chelsio/chcr_algo.h3
-rw-r--r--include/crypto/drbg.h2
7 files changed, 48 insertions, 17 deletions
diff --git a/crypto/Makefile b/crypto/Makefile
index a05590efe2e8..b8f0e3eb0791 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_CRYPTO_ECDH) += ecdh_generic.o
$(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
$(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
+$(obj)/rsa_helper.o: $(obj)/rsapubkey-asn1.h $(obj)/rsaprivkey-asn1.h
clean-files += rsapubkey-asn1.c rsapubkey-asn1.h
clean-files += rsaprivkey-asn1.c rsaprivkey-asn1.h
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 2d8466f9e49b..d19b09cdf284 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -214,23 +214,26 @@ static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0);
- if (ctx->more) {
+ if (!result && !ctx->more) {
+ err = af_alg_wait_for_completion(
+ crypto_ahash_init(&ctx->req),
+ &ctx->completion);
+ if (err)
+ goto unlock;
+ }
+
+ if (!result || ctx->more) {
ctx->more = 0;
err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req),
&ctx->completion);
if (err)
goto unlock;
- } else if (!result) {
- err = af_alg_wait_for_completion(
- crypto_ahash_digest(&ctx->req),
- &ctx->completion);
}
err = memcpy_to_msg(msg, ctx->result, len);
- hash_free_result(sk, ctx);
-
unlock:
+ hash_free_result(sk, ctx);
release_sock(sk);
return err ?: len;
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 9a95b619e19a..8a4d98b4adba 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -262,6 +262,7 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
u8 *inbuf, u32 inbuflen,
u8 *outbuf, u32 outlen);
#define DRBG_CTR_NULL_LEN 128
+#define DRBG_OUTSCRATCHLEN DRBG_CTR_NULL_LEN
/* BCC function for CTR DRBG as defined in 10.4.3 */
static int drbg_ctr_bcc(struct drbg_state *drbg,
@@ -1644,6 +1645,9 @@ static int drbg_fini_sym_kernel(struct drbg_state *drbg)
kfree(drbg->ctr_null_value_buf);
drbg->ctr_null_value = NULL;
+ kfree(drbg->outscratchpadbuf);
+ drbg->outscratchpadbuf = NULL;
+
return 0;
}
@@ -1708,6 +1712,15 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
drbg->ctr_null_value = (u8 *)PTR_ALIGN(drbg->ctr_null_value_buf,
alignmask + 1);
+ drbg->outscratchpadbuf = kmalloc(DRBG_OUTSCRATCHLEN + alignmask,
+ GFP_KERNEL);
+ if (!drbg->outscratchpadbuf) {
+ drbg_fini_sym_kernel(drbg);
+ return -ENOMEM;
+ }
+ drbg->outscratchpad = (u8 *)PTR_ALIGN(drbg->outscratchpadbuf,
+ alignmask + 1);
+
return alignmask;
}
@@ -1737,15 +1750,16 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
u8 *outbuf, u32 outlen)
{
struct scatterlist sg_in;
+ int ret;
sg_init_one(&sg_in, inbuf, inlen);
while (outlen) {
- u32 cryptlen = min_t(u32, inlen, outlen);
+ u32 cryptlen = min3(inlen, outlen, (u32)DRBG_OUTSCRATCHLEN);
struct scatterlist sg_out;
- int ret;
- sg_init_one(&sg_out, outbuf, cryptlen);
+ /* Output buffer may not be valid for SGL, use scratchpad */
+ sg_init_one(&sg_out, drbg->outscratchpad, cryptlen);
skcipher_request_set_crypt(drbg->ctr_req, &sg_in, &sg_out,
cryptlen, drbg->V);
ret = crypto_skcipher_encrypt(drbg->ctr_req);
@@ -1761,15 +1775,20 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg,
break;
}
default:
- return ret;
+ goto out;
}
init_completion(&drbg->ctr_completion);
+ memcpy(outbuf, drbg->outscratchpad, cryptlen);
+
outlen -= cryptlen;
outbuf += cryptlen;
}
+ ret = 0;
- return 0;
+out:
+ memzero_explicit(drbg->outscratchpad, DRBG_OUTSCRATCHLEN);
+ return ret;
}
#endif /* CONFIG_CRYPTO_DRBG_CTR */
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 52ce17a3dd63..c16c94f88733 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -68,10 +68,6 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg,
sg = scatterwalk_ffwd(tmp, sg, start);
- if (sg_page(sg) == virt_to_page(buf) &&
- sg->offset == offset_in_page(buf))
- return;
-
scatterwalk_start(&walk, sg);
scatterwalk_copychunks(buf, &walk, nbytes, out);
scatterwalk_done(&walk, out, 0);
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 767ffaea9649..37f0540d4694 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -3568,6 +3568,15 @@ static int __init caam_algapi_init(void)
if (!aes_inst && (alg_sel == OP_ALG_ALGSEL_AES))
continue;
+ /*
+ * Check support for AES modes not available
+ * on LP devices.
+ */
+ if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP)
+ if ((alg->class1_alg_type & OP_ALG_AAI_MASK) ==
+ OP_ALG_AAI_XTS)
+ continue;
+
t_alg = caam_alg_alloc(alg);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
index ec64fbcdeb49..199b0bb69b89 100644
--- a/drivers/crypto/chelsio/chcr_algo.h
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -422,7 +422,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
{
u32 temp;
u32 w_ring[MAX_NK];
- int i, j, k = 0;
+ int i, j, k;
u8 nr, nk;
switch (keylength) {
@@ -460,6 +460,7 @@ static inline void get_aes_decrypt_key(unsigned char *dec_key,
temp = w_ring[i % nk];
i++;
}
+ i--;
for (k = 0, j = i % nk; k < nk; k++) {
*((u32 *)dec_key + k) = htonl(w_ring[j]);
j--;
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index 61580b19f9f6..22f884c97387 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -124,6 +124,8 @@ struct drbg_state {
struct skcipher_request *ctr_req; /* CTR mode request handle */
__u8 *ctr_null_value_buf; /* CTR mode unaligned buffer */
__u8 *ctr_null_value; /* CTR mode aligned zero buf */
+ __u8 *outscratchpadbuf; /* CTR mode output scratchpad */
+ __u8 *outscratchpad; /* CTR mode aligned outbuf */
struct completion ctr_completion; /* CTR mode async handler */
int ctr_async_err; /* CTR mode async error */