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authorEric Rossman <edrossma@us.ibm.com>2006-03-24 03:15:30 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-24 07:33:18 -0800
commit96641ee1e4a5154943774639478eb997f4ffb97e (patch)
tree2c63ffe5c068900c47f743c2d2e41107d153ddba /drivers/s390/crypto
parentb6cba4ee31e7376fa363c4b89ca502ac5e17eac1 (diff)
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[PATCH] s390: CEX2A crt message length
Undetected edge case for CRT messages to CEX2A caused length to be too short, thus truncating the message. The solution was to check a different variable which actually determines which key type is being used. Increment version number in z90main.c to correct level of 1.3.3, fix copyright year and add comment about bitlength limit of CEX2A. Signed-off-by: Eric Rossman <edrossma@us.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/crypto')
-rw-r--r--drivers/s390/crypto/z90hardware.c10
-rw-r--r--drivers/s390/crypto/z90main.c5
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/s390/crypto/z90hardware.c b/drivers/s390/crypto/z90hardware.c
index 4141919da805..be60795f4a74 100644
--- a/drivers/s390/crypto/z90hardware.c
+++ b/drivers/s390/crypto/z90hardware.c
@@ -2214,7 +2214,7 @@ ICACRT_msg_to_type50CRT_msg(struct ica_rsa_modexpo_crt *icaMsg_p,
long_len = 128;
}
- tmp_size = ((mod_len <= 128) ? TYPE50_CRB1_LEN : TYPE50_CRB2_LEN) +
+ tmp_size = ((long_len <= 64) ? TYPE50_CRB1_LEN : TYPE50_CRB2_LEN) +
CALLER_HEADER;
memset(z90cMsg_p, 0, tmp_size);
@@ -2479,8 +2479,16 @@ convert_response(unsigned char *response, unsigned char *buffer,
if (reply_code)
switch (reply_code) {
+ case REP82_ERROR_MACHINE_FAILURE:
+ if (errh_p->type == TYPE82_RSP_CODE)
+ PRINTKW("Machine check failure\n");
+ else
+ PRINTKW("Module failure\n");
+ return REC_HARDWAR_ERR;
case REP82_ERROR_OPERAND_INVALID:
+ return REC_OPERAND_INV;
case REP88_ERROR_MESSAGE_MALFORMD:
+ PRINTKW("Message malformed\n");
return REC_OPERAND_INV;
case REP82_ERROR_OPERAND_SIZE:
return REC_OPERAND_SIZE;
diff --git a/drivers/s390/crypto/z90main.c b/drivers/s390/crypto/z90main.c
index 7d6f19030ef9..977ecd9ba6bd 100644
--- a/drivers/s390/crypto/z90main.c
+++ b/drivers/s390/crypto/z90main.c
@@ -1,9 +1,9 @@
/*
* linux/drivers/s390/crypto/z90main.c
*
- * z90crypt 1.3.2
+ * z90crypt 1.3.3
*
- * Copyright (C) 2001, 2004 IBM Corporation
+ * Copyright (C) 2001, 2005 IBM Corporation
* Author(s): Robert Burroughs (burrough@us.ibm.com)
* Eric Rossman (edrossma@us.ibm.com)
*
@@ -991,6 +991,7 @@ remove_device(struct device *device_p)
* PCIXCC_MCL2 512-2048 ----- (applying any GA LIC will make an MCL3 card)
* PCIXCC_MCL3 ----- 128-2048
* CEX2C 512-2048 128-2048
+ * CEX2A ??-2048 same (the lower limit is less than 128 bit...)
*
* ext_bitlens (extended bitlengths) is a global, since you should not apply an
* MCL to just one card in a machine. We assume, at first, that all cards have
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