Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

CAAM: Add MD5, SHA512/224 and SHA512/256 #219

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

CAAM: Add MD5, SHA512/224 and SHA512/256 #219

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 30 additions & 3 deletions drivers/caam/fsl_caam.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -67,11 +67,14 @@ typedef enum _caam_algorithm
kCAAM_AlgorithmAES = 0x10u << 16,
kCAAM_AlgorithmDES = 0x20u << 16,
kCAAM_Algorithm3DES = 0x21u << 16,
kCAAM_AlgorithmMD5 = 0x40u << 16,
kCAAM_AlgorithmSHA1 = 0x41u << 16,
kCAAM_AlgorithmSHA224 = 0x42u << 16,
kCAAM_AlgorithmSHA256 = 0x43u << 16,
kCAAM_AlgorithmSHA384 = 0x44u << 16,
kCAAM_AlgorithmSHA512 = 0x45u << 16,
kCAAM_AlgorithmSHA512_224 = 0x46u << 16,
kCAAM_AlgorithmSHA512_256 = 0x47u << 16,
kCAAM_AlgorithmCRC = 0x90u << 16,
} caam_algorithm_t;

Expand Down Expand Up @@ -108,6 +111,8 @@ typedef enum _caam_algorithm_state
******************************************************************************/
enum _caam_sha_digest_len
{
kCAAM_RunLenMd5 = 24u,
kCAAM_OutLenMd5 = 16u,
kCAAM_RunLenSha1 = 28u,
kCAAM_OutLenSha1 = 20u,
kCAAM_RunLenSha224 = 40u,
Expand All @@ -118,6 +123,10 @@ enum _caam_sha_digest_len
kCAAM_OutLenSha384 = 48u,
kCAAM_RunLenSha512 = 64u,
kCAAM_OutLenSha512 = 64u,
kCAAM_RunLenSha512_224 = 64u,
kCAAM_OutLenSha512_224 = 28u,
kCAAM_RunLenSha512_256 = 64u,
kCAAM_OutLenSha512_256 = 32u,
};

/*! Internal states of the HASH creation process */
Expand Down Expand Up @@ -2541,6 +2550,7 @@ static status_t caam_hash_check_input_alg(caam_hash_algo_t algo)
{
if ((algo != kCAAM_XcbcMac) && (algo != kCAAM_Cmac) && (algo != kCAAM_Sha1) && (algo != kCAAM_Sha224) &&
(algo != kCAAM_Sha256) && (algo != kCAAM_Sha384) && (algo != kCAAM_Sha512) && (algo != kCAAM_HmacSha1) &&
(algo != kCAAM_Sha512_224) && (algo != kCAAM_Sha512_256) && (algo != kCAAM_Md5) &&
(algo != kCAAM_HmacSha224) && (algo != kCAAM_HmacSha256) && (algo != kCAAM_HmacSha384) &&
(algo != kCAAM_HmacSha512))
{
Expand All @@ -2560,10 +2570,10 @@ static inline bool caam_hash_alg_is_hmac(caam_hash_algo_t algo)
(algo == kCAAM_HmacSha384) || (algo == kCAAM_HmacSha512));
}

static inline bool caam_hash_alg_is_sha(caam_hash_algo_t algo)
static inline bool caam_hash_alg_is_mda(caam_hash_algo_t algo)
{
return ((algo == kCAAM_Sha1) || (algo == kCAAM_Sha224) || (algo == kCAAM_Sha256) || (algo == kCAAM_Sha384) ||
(algo == kCAAM_Sha512));
(algo == kCAAM_Sha512) || (algo == kCAAM_Sha512_224) || (algo == kCAAM_Sha512_256) || (algo == kCAAM_Md5));
}

static status_t caam_hash_check_input_args(
Expand Down Expand Up @@ -2635,6 +2645,10 @@ static uint32_t caam_hash_algo2mode(caam_hash_algo_t algo, uint32_t algState, ui
modeReg = (uint32_t)kCAAM_AlgorithmAES | (uint32_t)kCAAM_ModeCMAC;
outSize = 16u;
break;
case kCAAM_Md5:
modeReg = (uint32_t)kCAAM_AlgorithmMD5;
outSize = (uint32_t)kCAAM_OutLenMd5;
break;
case kCAAM_Sha1:
modeReg = (uint32_t)kCAAM_AlgorithmSHA1;
outSize = (uint32_t)kCAAM_OutLenSha1;
Expand All @@ -2655,6 +2669,14 @@ static uint32_t caam_hash_algo2mode(caam_hash_algo_t algo, uint32_t algState, ui
modeReg = (uint32_t)kCAAM_AlgorithmSHA512;
outSize = (uint32_t)kCAAM_OutLenSha512;
break;
case kCAAM_Sha512_224:
modeReg = (uint32_t)kCAAM_AlgorithmSHA512_224;
outSize = (uint32_t)kCAAM_OutLenSha512_224;
break;
case kCAAM_Sha512_256:
modeReg = (uint32_t)kCAAM_AlgorithmSHA512_256;
outSize = (uint32_t)kCAAM_OutLenSha512_256;
break;
case kCAAM_HmacSha1:
modeReg = (uint32_t)kCAAM_AlgorithmSHA1 | (uint32_t)HmacMode;
outSize = (uint32_t)kCAAM_OutLenSha1;
Expand Down Expand Up @@ -2726,6 +2748,9 @@ static uint32_t caam_hash_algo2ctx_size(caam_hash_algo_t algo, uint32_t how)
SHA-256: 32 bytes
SHA-384: 48 bytes final digest; 64 bytes running digest
SHA-512: 64 bytes */
case kCAAM_Md5:
ctxSize = 24u; /* 8 + 16 */
break;
case kCAAM_Sha1:
ctxSize = 28u; /* 8 + 20 */
break;
Expand All @@ -2735,6 +2760,8 @@ static uint32_t caam_hash_algo2ctx_size(caam_hash_algo_t algo, uint32_t how)
break;
case kCAAM_Sha384:
case kCAAM_Sha512:
case kCAAM_Sha512_224:
case kCAAM_Sha512_256:
ctxSize = 72u; /* 8 + 64 */
break;
/* Add the context of HMAC: in Init mode the HMAC context includes the derived key
Expand Down Expand Up @@ -2911,7 +2938,7 @@ static status_t caam_hash_schedule_input_data(CAAM_Type *base,
uint32_t descriptorSize = ARRAY_SIZE(templateHash);
uint32_t algOutSize = 0;

bool isSha = caam_hash_alg_is_sha(algo); /* MDHA engine */
bool isSha = caam_hash_alg_is_mda(algo); /* MDHA engine */
/* how many bytes to read from context register
* we need caam_hash_algo2ctx_size() to return
* full context size (to be used for context restore in descriptor[3])
Expand Down
3 changes: 3 additions & 0 deletions drivers/caam/fsl_caam.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -257,11 +257,14 @@ typedef enum _caam_hash_algo_t
{
kCAAM_XcbcMac = 0, /*!< XCBC-MAC (AES engine) */
kCAAM_Cmac, /*!< CMAC (AES engine) */
kCAAM_Md5, /*!< MD5 (MDHA engine) */
kCAAM_Sha1, /*!< SHA_1 (MDHA engine) */
kCAAM_Sha224, /*!< SHA_224 (MDHA engine) */
kCAAM_Sha256, /*!< SHA_256 (MDHA engine) */
kCAAM_Sha384, /*!< SHA_384 (MDHA engine) */
kCAAM_Sha512, /*!< SHA_512 (MDHA engine) */
kCAAM_Sha512_224, /*!< SHA_512_224 (MDHA engine) */
kCAAM_Sha512_256, /*!< SHA_512_256 (MDHA engine) */
kCAAM_HmacSha1, /*!< HMAC_SHA_1 (MDHA engine) */
kCAAM_HmacSha224, /*!< HMAC_SHA_224 (MDHA engine) */
kCAAM_HmacSha256, /*!< HMAC_SHA_256 (MDHA engine) */
Expand Down