2 * Copyright 2014 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm-generic/errno.h>
16 int blob_decap(u8 *key_mod, u8 *src, u8 *dst, u32 len)
21 printf("\nDecapsulating data to form blob\n");
22 desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE);
24 debug("Not enough memory for descriptor allocation\n");
28 inline_cnstr_jobdesc_blob_decap(desc, key_mod, src, dst, len);
30 for (i = 0; i < 14; i++)
31 printf("%x\n", *(desc + i));
32 ret = run_descriptor_jr(desc);
35 printf("Error in Decapsulation %d\n", ret);
41 int blob_encap(u8 *key_mod, u8 *src, u8 *dst, u32 len)
46 printf("\nEncapsulating data to form blob\n");
47 desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE);
49 debug("Not enough memory for descriptor allocation\n");
53 inline_cnstr_jobdesc_blob_encap(desc, key_mod, src, dst, len);
54 for (i = 0; i < 14; i++)
55 printf("%x\n", *(desc + i));
56 ret = run_descriptor_jr(desc);
59 printf("Error in Encapsulation %d\n", ret);
65 #ifdef CONFIG_CMD_DEKBLOB
66 int blob_dek(const u8 *src, u8 *dst, u8 len)
71 int out_sz = WRP_HDR_SIZE + len + KEY_BLOB_SIZE + MAC_SIZE;
73 puts("\nEncapsulating provided DEK to form blob\n");
74 desc = memalign(ARCH_DMA_MINALIGN,
75 sizeof(uint32_t) * DEK_BLOB_DESCSIZE);
77 debug("Not enough memory for descriptor allocation\n");
81 ret = inline_cnstr_jobdesc_blob_dek(desc, src, dst, len);
83 debug("Error in Job Descriptor Construction: %d\n", ret);
85 size = roundup(sizeof(uint32_t) * DEK_BLOB_DESCSIZE,
87 flush_dcache_range((unsigned long)desc,
88 (unsigned long)desc + size);
89 size = roundup(sizeof(uint8_t) * out_sz, ARCH_DMA_MINALIGN);
90 flush_dcache_range((unsigned long)dst,
91 (unsigned long)dst + size);
93 ret = run_descriptor_jr(desc);
97 debug("Error in Encapsulation %d\n", ret);
101 size = roundup(out_sz, ARCH_DMA_MINALIGN);
102 invalidate_dcache_range((unsigned long)dst, (unsigned long)dst+size);
105 for (i = 0; i < out_sz; i++)
106 printf("%02X", ((uint8_t *)dst)[i]);