diff options
Diffstat (limited to 'drivers/crypto/fsl/fsl_hash.c')
-rw-r--r-- | drivers/crypto/fsl/fsl_hash.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/crypto/fsl/fsl_hash.c b/drivers/crypto/fsl/fsl_hash.c new file mode 100644 index 0000000000..d77f2573d0 --- /dev/null +++ b/drivers/crypto/fsl/fsl_hash.c @@ -0,0 +1,77 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + * + */ + +#include <common.h> +#include <malloc.h> +#include "jobdesc.h" +#include "desc.h" +#include "jr.h" + +#define CRYPTO_MAX_ALG_NAME 80 +#define SHA1_DIGEST_SIZE 20 +#define SHA256_DIGEST_SIZE 32 + +struct caam_hash_template { + char name[CRYPTO_MAX_ALG_NAME]; + unsigned int digestsize; + u32 alg_type; +}; + +enum caam_hash_algos { + SHA1 = 0, + SHA256 +}; + +static struct caam_hash_template driver_hash[] = { + { + .name = "sha1", + .digestsize = SHA1_DIGEST_SIZE, + .alg_type = OP_ALG_ALGSEL_SHA1, + }, + { + .name = "sha256", + .digestsize = SHA256_DIGEST_SIZE, + .alg_type = OP_ALG_ALGSEL_SHA256, + }, +}; + +int caam_hash(const unsigned char *pbuf, unsigned int buf_len, + unsigned char *pout, enum caam_hash_algos algo) +{ + int ret = 0; + uint32_t *desc; + + desc = malloc(sizeof(int) * MAX_CAAM_DESCSIZE); + if (!desc) { + debug("Not enough memory for descriptor allocation\n"); + return -1; + } + + inline_cnstr_jobdesc_hash(desc, pbuf, buf_len, pout, + driver_hash[algo].alg_type, + driver_hash[algo].digestsize, + 0); + + ret = run_descriptor_jr(desc); + + free(desc); + return ret; +} + +void hw_sha256(const unsigned char *pbuf, unsigned int buf_len, + unsigned char *pout, unsigned int chunk_size) +{ + if (caam_hash(pbuf, buf_len, pout, SHA256)) + printf("CAAM was not setup properly or it is faulty\n"); +} + +void hw_sha1(const unsigned char *pbuf, unsigned int buf_len, + unsigned char *pout, unsigned int chunk_size) +{ + if (caam_hash(pbuf, buf_len, pout, SHA1)) + printf("CAAM was not setup properly or it is faulty\n"); +} |