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 blob to get data\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 debug("Descriptor dump:\n");
31 for (i = 0; i < 14; i++)
32 debug("Word[%d]: %08x\n", i, *(desc + i));
33 ret = run_descriptor_jr(desc);
36 printf("Error in Decapsulation %d\n", ret);
38 printf("Decapsulation Success\n");
44 int blob_encap(u8 *key_mod, u8 *src, u8 *dst, u32 len)
49 printf("\nEncapsulating data to form blob\n");
50 desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE);
52 debug("Not enough memory for descriptor allocation\n");
56 inline_cnstr_jobdesc_blob_encap(desc, key_mod, src, dst, len);
58 debug("Descriptor dump:\n");
59 for (i = 0; i < 14; i++)
60 debug("Word[%d]: %08x\n", i, *(desc + i));
61 ret = run_descriptor_jr(desc);
64 printf("Error in Encapsulation %d\n", ret);
66 printf("Encapsulation Success\n");
72 #ifdef CONFIG_CMD_DEKBLOB
73 int blob_dek(const u8 *src, u8 *dst, u8 len)
78 int out_sz = WRP_HDR_SIZE + len + KEY_BLOB_SIZE + MAC_SIZE;
80 puts("\nEncapsulating provided DEK to form blob\n");
81 desc = memalign(ARCH_DMA_MINALIGN,
82 sizeof(uint32_t) * DEK_BLOB_DESCSIZE);
84 debug("Not enough memory for descriptor allocation\n");
88 ret = inline_cnstr_jobdesc_blob_dek(desc, src, dst, len);
90 debug("Error in Job Descriptor Construction: %d\n", ret);
92 size = roundup(sizeof(uint32_t) * DEK_BLOB_DESCSIZE,
94 flush_dcache_range((unsigned long)desc,
95 (unsigned long)desc + size);
96 size = roundup(sizeof(uint8_t) * out_sz, ARCH_DMA_MINALIGN);
97 flush_dcache_range((unsigned long)dst,
98 (unsigned long)dst + size);
100 ret = run_descriptor_jr(desc);
104 debug("Error in Encapsulation %d\n", ret);
108 size = roundup(out_sz, ARCH_DMA_MINALIGN);
109 invalidate_dcache_range((unsigned long)dst, (unsigned long)dst+size);
112 for (i = 0; i < out_sz; i++)
113 printf("%02X", ((uint8_t *)dst)[i]);