Commit 26093317 authored by Mikulas Patocka's avatar Mikulas Patocka Committed by Iliyan Malchev

crypto: arm-aes - fix encryption of unaligned data

Fix the same alignment bug as in arm64 - we need to pass residue
unprocessed bytes as the last argument to blkcipher_walk_done.

Change-Id: I8d49b8a190327b46801a3db4884e2b309138525b
Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# 3.13+
Acked-by: default avatarArd Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b9d9efbc
......@@ -137,7 +137,7 @@ static int aesbs_cbc_encrypt(struct blkcipher_desc *desc,
dst += AES_BLOCK_SIZE;
} while (--blocks);
}
err = blkcipher_walk_done(desc, &walk, 0);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
return err;
}
......@@ -158,7 +158,7 @@ static int aesbs_cbc_decrypt(struct blkcipher_desc *desc,
bsaes_cbc_encrypt(walk.src.virt.addr, walk.dst.virt.addr,
walk.nbytes, &ctx->dec, walk.iv);
kernel_neon_end();
err = blkcipher_walk_done(desc, &walk, 0);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
while (walk.nbytes) {
u32 blocks = walk.nbytes / AES_BLOCK_SIZE;
......@@ -182,7 +182,7 @@ static int aesbs_cbc_decrypt(struct blkcipher_desc *desc,
dst += AES_BLOCK_SIZE;
src += AES_BLOCK_SIZE;
} while (--blocks);
err = blkcipher_walk_done(desc, &walk, 0);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
return err;
}
......@@ -268,7 +268,7 @@ static int aesbs_xts_encrypt(struct blkcipher_desc *desc,
bsaes_xts_encrypt(walk.src.virt.addr, walk.dst.virt.addr,
walk.nbytes, &ctx->enc, walk.iv);
kernel_neon_end();
err = blkcipher_walk_done(desc, &walk, 0);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
return err;
}
......@@ -292,7 +292,7 @@ static int aesbs_xts_decrypt(struct blkcipher_desc *desc,
bsaes_xts_decrypt(walk.src.virt.addr, walk.dst.virt.addr,
walk.nbytes, &ctx->dec, walk.iv);
kernel_neon_end();
err = blkcipher_walk_done(desc, &walk, 0);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
return err;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment