nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Updated from Linux LTS 3.10.20 to 3.10.21

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Nathan
2025-04-07 09:52:38 -05:00
parent d67348cc45
commit 8de512f759
67 changed files with 803 additions and 353 deletions
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19
arch/s390/crypto/aes_s390.c
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@@ -35,7 +35,6 @@ static u8 *ctrblk;
static char keylen_flag;
struct s390_aes_ctx {
u8 iv[AES_BLOCK_SIZE];
u8 key[AES_MAX_KEY_SIZE];
long enc;
long dec;
@@ -441,30 +440,36 @@ static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
return aes_set_key(tfm, in_key, key_len);
}
static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
static int cbc_aes_crypt(struct blkcipher_desc *desc, long func,
struct blkcipher_walk *walk)
{
struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
int ret = blkcipher_walk_virt(desc, walk);
unsigned int nbytes = walk->nbytes;
struct {
u8 iv[AES_BLOCK_SIZE];
u8 key[AES_MAX_KEY_SIZE];
} param;
if (!nbytes)
goto out;
memcpy(param, walk->iv, AES_BLOCK_SIZE);
memcpy(param.iv, walk->iv, AES_BLOCK_SIZE);
memcpy(param.key, sctx->key, sctx->key_len);
do {
/* only use complete blocks */
unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
u8 *out = walk->dst.virt.addr;
u8 *in = walk->src.virt.addr;
ret = crypt_s390_kmc(func, param, out, in, n);
ret = crypt_s390_kmc(func, &param, out, in, n);
if (ret < 0 || ret != n)
return -EIO;
nbytes &= AES_BLOCK_SIZE - 1;
ret = blkcipher_walk_done(desc, walk, nbytes);
} while ((nbytes = walk->nbytes));
memcpy(walk->iv, param, AES_BLOCK_SIZE);
memcpy(walk->iv, param.iv, AES_BLOCK_SIZE);
out:
return ret;
@@ -481,7 +486,7 @@ static int cbc_aes_encrypt(struct blkcipher_desc *desc,
return fallback_blk_enc(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk);
return cbc_aes_crypt(desc, sctx->enc, &walk);
}
static int cbc_aes_decrypt(struct blkcipher_desc *desc,
@@ -495,7 +500,7 @@ static int cbc_aes_decrypt(struct blkcipher_desc *desc,
return fallback_blk_dec(desc, dst, src, nbytes);
blkcipher_walk_init(&walk, dst, src, nbytes);
return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk);
return cbc_aes_crypt(desc, sctx->dec, &walk);
}
static struct crypto_alg cbc_aes_alg = {