diff options
| author | Eric Biggers <ebiggers@google.com> | 2019-10-12 21:39:15 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-10-23 19:46:58 +1100 |
| commit | 7740bd51efd697fe3750c7317229ec83571f5d98 (patch) | |
| tree | 2e40c28085ac630f59d207bd5029a832ab01fe67 /drivers/crypto/nx/nx.c | |
| parent | 713b2e7203354a52ec65a913e89c957bfc8d9220 (diff) | |
crypto: nx - don't abuse blkcipher_desc to pass iv around
The NX crypto driver is using 'struct blkcipher_desc' to pass the IV
around, even for AEADs (for which it creates the struct on the stack).
This is not appropriate since this structure is part of the "blkcipher"
API, which is deprecated and will be removed.
Just pass around the IV directly instead.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/nx/nx.c')
| -rw-r--r-- | drivers/crypto/nx/nx.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index 28817880c76d..1202a00715ac 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -243,25 +243,25 @@ static long int trim_sg_list(struct nx_sg *sg, * scatterlists based on them. * * @nx_ctx: NX crypto context for the lists we're building - * @desc: the block cipher descriptor for the operation + * @iv: iv data, if the algorithm requires it * @dst: destination scatterlist * @src: source scatterlist * @nbytes: length of data described in the scatterlists * @offset: number of bytes to fast-forward past at the beginning of * scatterlists. - * @iv: destination for the iv data, if the algorithm requires it + * @oiv: destination for the iv data, if the algorithm requires it * - * This is common code shared by all the AES algorithms. It uses the block - * cipher walk routines to traverse input and output scatterlists, building + * This is common code shared by all the AES algorithms. It uses the crypto + * scatterlist walk routines to traverse input and output scatterlists, building * corresponding NX scatterlists */ int nx_build_sg_lists(struct nx_crypto_ctx *nx_ctx, - struct blkcipher_desc *desc, + const u8 *iv, struct scatterlist *dst, struct scatterlist *src, unsigned int *nbytes, unsigned int offset, - u8 *iv) + u8 *oiv) { unsigned int delta = 0; unsigned int total = *nbytes; @@ -274,8 +274,8 @@ int nx_build_sg_lists(struct nx_crypto_ctx *nx_ctx, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); - if (iv) - memcpy(iv, desc->info, AES_BLOCK_SIZE); + if (oiv) + memcpy(oiv, iv, AES_BLOCK_SIZE); *nbytes = min_t(u64, *nbytes, nx_ctx->ap->databytelen); |