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crypto: inside-secure - Added support for basic AES-GCM

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This patch adds support for the basic AES-GCM AEAD cipher suite.

Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Pascal van Leeuwen
2019-08-30 09:52:30 +02:00
committed by Herbert Xu
parent d2d9e6fd6d
commit 3e450886ec
4 changed files with 211 additions and 48 deletions
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8
drivers/crypto/inside-secure/safexcel_ring.c
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@@ -137,7 +137,13 @@ struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *pr
struct safexcel_token *token =
(struct safexcel_token *)cdesc->control_data.token;
cdesc->control_data.packet_length = full_data_len;
/*
* Note that the length here MUST be >0 or else the EIP(1)97
* may hang. Newer EIP197 firmware actually incorporates this
* fix already, but that doesn't help the EIP97 and we may
* also be running older firmware.
*/
cdesc->control_data.packet_length = full_data_len ?: 1;
cdesc->control_data.options = EIP197_OPTION_MAGIC_VALUE |
EIP197_OPTION_64BIT_CTX |
EIP197_OPTION_CTX_CTRL_IN_CMD;