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rsa: crash in br_i32_decode() called from rsa_gen_key_prop()

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Fixes problem for unaligned 32bit big-endian access in
lib/rsa/rsa-keyprop.c.

Exchanges br_i32_decode() with get_unaligned_be32().

This will keep the unaligned access for architectures capable and will do
some byte-shift magic for the not so capable ones.

Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-by: Robert Reither <robert.reither@external.thalesgroup.com>
Remove unused include.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Robert Reither 2020-09-14 13:12:02 +02:00 committed by Heinrich Schuchardt
parent 00e5fda006
commit 8479333ce7
1 changed files with 3 additions and 3 deletions
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6
lib/rsa/rsa-keyprop.c
View file

@ -12,9 +12,9 @@
#include <common.h>
#include <image.h>
#include <malloc.h>
#include <asm/byteorder.h>
#include <crypto/internal/rsa.h>
#include <u-boot/rsa-mod-exp.h>
#include <asm/unaligned.h>
/**
* br_dec16be() - Convert 16-bit big-endian integer to native
@ -23,7 +23,7 @@
*/
static unsigned br_dec16be(const void *src)
{
return be16_to_cpup(src);
return get_unaligned_be16(src);
}
/**
@ -33,7 +33,7 @@ static unsigned br_dec16be(const void *src)
*/
static uint32_t br_dec32be(const void *src)
{
return be32_to_cpup(src);
return get_unaligned_be32(src);
}
/**