u-boot/drivers/crypto/fsl/fsl_blob.c
Sumit Garg 7fe1d6a410 crypto/fsl: Update blob cmd to accept 64bit addresses
Update blob cmd to accept 64bit source, key modifier and destination
addresses. Also correct output result print format for fsl specific
implementation of blob cmd.

Signed-off-by: Sumit Garg <sumit.garg@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2016-08-02 09:45:39 -07:00

120 lines
2.6 KiB
C

/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#include <common.h>
#include <malloc.h>
#include <fsl_sec.h>
#include <asm-generic/errno.h>
#include "jobdesc.h"
#include "desc.h"
#include "jr.h"
int blob_decap(u8 *key_mod, u8 *src, u8 *dst, u32 len)
{
int ret, i = 0;
u32 *desc;
printf("\nDecapsulating blob to get data\n");
desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE);
if (!desc) {
debug("Not enough memory for descriptor allocation\n");
return -1;
}
inline_cnstr_jobdesc_blob_decap(desc, key_mod, src, dst, len);
debug("Descriptor dump:\n");
for (i = 0; i < 14; i++)
debug("Word[%d]: %08x\n", i, *(desc + i));
ret = run_descriptor_jr(desc);
if (ret)
printf("Error in Decapsulation %d\n", ret);
else
printf("Decapsulation Success\n");
free(desc);
return ret;
}
int blob_encap(u8 *key_mod, u8 *src, u8 *dst, u32 len)
{
int ret, i = 0;
u32 *desc;
printf("\nEncapsulating data to form blob\n");
desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE);
if (!desc) {
debug("Not enough memory for descriptor allocation\n");
return -1;
}
inline_cnstr_jobdesc_blob_encap(desc, key_mod, src, dst, len);
debug("Descriptor dump:\n");
for (i = 0; i < 14; i++)
debug("Word[%d]: %08x\n", i, *(desc + i));
ret = run_descriptor_jr(desc);
if (ret)
printf("Error in Encapsulation %d\n", ret);
else
printf("Encapsulation Success\n");
free(desc);
return ret;
}
#ifdef CONFIG_CMD_DEKBLOB
int blob_dek(const u8 *src, u8 *dst, u8 len)
{
int ret, size, i = 0;
u32 *desc;
int out_sz = WRP_HDR_SIZE + len + KEY_BLOB_SIZE + MAC_SIZE;
puts("\nEncapsulating provided DEK to form blob\n");
desc = memalign(ARCH_DMA_MINALIGN,
sizeof(uint32_t) * DEK_BLOB_DESCSIZE);
if (!desc) {
debug("Not enough memory for descriptor allocation\n");
return -ENOMEM;
}
ret = inline_cnstr_jobdesc_blob_dek(desc, src, dst, len);
if (ret) {
debug("Error in Job Descriptor Construction: %d\n", ret);
} else {
size = roundup(sizeof(uint32_t) * DEK_BLOB_DESCSIZE,
ARCH_DMA_MINALIGN);
flush_dcache_range((unsigned long)desc,
(unsigned long)desc + size);
size = roundup(sizeof(uint8_t) * out_sz, ARCH_DMA_MINALIGN);
flush_dcache_range((unsigned long)dst,
(unsigned long)dst + size);
ret = run_descriptor_jr(desc);
}
if (ret) {
debug("Error in Encapsulation %d\n", ret);
goto err;
}
size = roundup(out_sz, ARCH_DMA_MINALIGN);
invalidate_dcache_range((unsigned long)dst, (unsigned long)dst+size);
puts("DEK Blob\n");
for (i = 0; i < out_sz; i++)
printf("%02X", ((uint8_t *)dst)[i]);
printf("\n");
err:
free(desc);
return ret;
}
#endif