Commit 479d014d authored by Herbert Xu's avatar Herbert Xu

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

Merge the crypto tree to pull in chelsio chcr fix.
parents 585b5fa6 57891633
......@@ -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
......
......@@ -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;
......
......@@ -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 */
......
......@@ -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);
......
......@@ -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);
......
......@@ -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--;
......
......@@ -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 */
......
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