diff options
| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2019-02-08 15:50:09 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-02-15 13:21:55 +0800 |
| commit | eaed71a44ad9369a2b2205cedcb9d5d894c733fa (patch) | |
| tree | 60f4eaad9d126bdb1cc2526e8a5a85b50f391e1a /drivers/crypto/caam/caamalg_desc.c | |
| parent | bd30cf533b77420b7c504c09cef5ba26b0c9dcb4 (diff) | |
crypto: caam - add ecb(*) support
Add ecb mode support for aes, des, 3des and arc4 ciphers.
ecb(*) reuses existing skcipher implementation, updating it with support
for no IV.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamalg_desc.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_desc.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index 7db1640d3577..1e1a376edc2f 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -2,7 +2,7 @@ /* * Shared descriptors for aead, skcipher algorithms * - * Copyright 2016-2018 NXP + * Copyright 2016-2019 NXP */ #include "compat.h" @@ -1396,9 +1396,11 @@ void cnstr_shdsc_skcipher_encap(u32 * const desc, struct alginfo *cdata, set_jump_tgt_here(desc, key_jump_cmd); - /* Load iv */ - append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | - LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + /* Load IV, if there is one */ + if (ivsize) + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << + LDST_OFFSET_SHIFT)); /* Load counter into CONTEXT1 reg */ if (is_rfc3686) @@ -1462,9 +1464,11 @@ void cnstr_shdsc_skcipher_decap(u32 * const desc, struct alginfo *cdata, set_jump_tgt_here(desc, key_jump_cmd); - /* load IV */ - append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | - LDST_CLASS_1_CCB | (ctx1_iv_off << LDST_OFFSET_SHIFT)); + /* Load IV, if there is one */ + if (ivsize) + append_seq_load(desc, ivsize, LDST_SRCDST_BYTE_CONTEXT | + LDST_CLASS_1_CCB | (ctx1_iv_off << + LDST_OFFSET_SHIFT)); /* Load counter into CONTEXT1 reg */ if (is_rfc3686) |