mirror of
https://github.com/wolfSSL/wolfssl.git
synced 2026-07-06 05:40:49 +02:00
MAX32666 bare-metal SHA accelerator
This commit is contained in:
Mattia Moffa
+510
-363
File diff suppressed because it is too large
Load Diff
@@ -57,14 +57,11 @@
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#endif
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#endif
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/* Enable copy/free callbacks when using callback mode */
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/* Enable copy callback when using callback mode (SHA Copy needs it) */
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#if defined(MAX3266X_SHA_CB)
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#ifndef WOLF_CRYPTO_CB_COPY
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#define WOLF_CRYPTO_CB_COPY
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#endif
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#ifndef WOLF_CRYPTO_CB_FREE
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#define WOLF_CRYPTO_CB_FREE
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#endif
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#endif
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/* Crypto HW can be used in parallel on this device */
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@@ -246,52 +243,6 @@
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#if defined(MAX3266X_SHA) || defined(MAX3266X_SHA_CB)
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/* Use HASH_KEEP to accumulate message data for one-shot TPU hardware */
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#ifndef WOLFSSL_HASH_KEEP
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#define WOLFSSL_HASH_KEEP
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#endif
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#if !defined(NO_SHA)
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/* Define the SHA digest for an empty string */
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/* as a constant byte array */
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static const unsigned char MXC_EMPTY_DIGEST_SHA1[20] = {
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0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d,
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0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90,
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0xaf, 0xd8, 0x07, 0x09};
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#endif /* NO_SHA */
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#if defined(WOLFSSL_SHA224)
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/* Define the SHA-224 digest for an empty string */
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/* as a constant byte array */
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static const unsigned char MXC_EMPTY_DIGEST_SHA224[28] = {
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0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9,
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0x47, 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4,
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0x15, 0xa2, 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a,
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0xc5, 0xb3, 0xe4, 0x2f};
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#endif /* WOLFSSL_SHA224 */
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#if !defined(NO_SHA256)
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/* Define the SHA-256 digest for an empty string */
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/* as a constant byte array */
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static const unsigned char MXC_EMPTY_DIGEST_SHA256[32] = {
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0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
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0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
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0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
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0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55};
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#endif /* NO_SHA256 */
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#if defined(WOLFSSL_SHA384)
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/* Define the SHA-384 digest for an empty string */
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/* as a constant byte array */
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static const unsigned char MXC_EMPTY_DIGEST_SHA384[48] = {
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0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38,
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0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a,
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0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43,
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0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda,
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0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb,
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0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b};
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#endif /* WOLFSSL_SHA384 */
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#if defined(WOLFSSL_SHA512)
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/* Does not support these SHA512 Macros */
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#ifndef WOLFSSL_NOSHA512_224
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@@ -302,58 +253,52 @@
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#warning "MAX3266X Port does not support SHA-512/256"
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#define WOLFSSL_NOSHA512_256
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#endif
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/* Define the SHA-512 digest for an empty string */
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/* as a constant byte array */
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static const unsigned char MXC_EMPTY_DIGEST_SHA512[64] = {
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0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd,
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0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07,
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0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc,
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0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce,
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0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0,
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0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f,
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0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81,
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0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e};
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#endif /* WOLFSSL_SHA512 */
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/* Number of HASH_DIGEST register words for each algorithm's state */
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#define MXC_SHA1_STATE_WORDS 5 /* 160-bit state */
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#define MXC_SHA224_STATE_WORDS 8 /* 256-bit internal state */
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#define MXC_SHA256_STATE_WORDS 8 /* 256-bit state */
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#define MXC_SHA384_STATE_WORDS 16 /* 512-bit internal state (word32) */
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#define MXC_SHA512_STATE_WORDS 16 /* 512-bit state (word32) */
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/* Check for empty message and provide pre-computed digest if so */
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_GetDigest(const unsigned char* msg,
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unsigned int msgSz,
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unsigned char* digest,
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MXC_TPU_HASH_TYPE algo);
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/* Compute hash from accumulated message using TPU hardware */
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_GetHash(const unsigned char* msg,
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unsigned int msgSz,
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unsigned char* digest,
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MXC_TPU_HASH_TYPE algo);
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/* Free HASH_KEEP message buffer and reset fields */
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WOLFSSL_LOCAL void wc_MXC_TPU_SHA_Free(unsigned char** msg,
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unsigned int* used,
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unsigned int* len,
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void* heap);
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/* Free HASH_KEEP message buffer and zero the full SHA context */
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WOLFSSL_LOCAL void wc_MXC_TPU_SHA_FreeCtx(void* ctx,
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unsigned int ctxSz,
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unsigned char** msg,
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unsigned int* used,
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unsigned int* len,
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void* heap);
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/* Copy SHA context and deep copy HASH_KEEP message buffer */
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_Copy(void* src, void* dst,
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unsigned int ctxSz,
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unsigned char** dstMsg,
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unsigned int* dstUsed,
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unsigned int* dstLen,
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void* dstHeap, void* srcHeap);
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/* Compute hash, free message buffer, and reset fields */
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_Final(unsigned char** msg,
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unsigned int* used,
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unsigned int* len,
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void* heap,
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unsigned char* digest,
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MXC_TPU_HASH_TYPE algo);
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/* TPU hash helpers - bare-metal SHA acceleration */
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WOLFSSL_LOCAL void wc_MXC_TPU_Hash_Setup(MXC_TPU_HASH_TYPE algo,
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const unsigned int* state, int stateWords);
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WOLFSSL_LOCAL void wc_MXC_TPU_Hash_Feed_Block(const unsigned char* data,
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unsigned int blockSz);
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WOLFSSL_LOCAL void wc_MXC_TPU_Hash_Feed_Last(const unsigned char* data,
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unsigned int dataLen,
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unsigned int totalLenLo,
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unsigned int totalLenHi);
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WOLFSSL_LOCAL void wc_MXC_TPU_Hash_Save_State(unsigned int* state,
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int stateWords);
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WOLFSSL_LOCAL void wc_MXC_TPU_Hash_Read_Digest(unsigned char* digest,
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unsigned int digestSz);
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/* Generic SHA Update/Final/GetHash */
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_Update(unsigned int* digest,
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unsigned int* buffer,
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unsigned int* buffLen,
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unsigned int* loLen, unsigned int* hiLen,
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int stateWords, unsigned int blockSz,
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MXC_TPU_HASH_TYPE algo,
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const unsigned char* data,
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unsigned int len);
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_Final(unsigned int* digest,
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unsigned int* buffer,
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unsigned int* buffLen,
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unsigned int loLen, unsigned int hiLen,
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int stateWords, unsigned int digestSz,
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MXC_TPU_HASH_TYPE algo,
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unsigned char* hash);
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WOLFSSL_LOCAL int wc_MXC_TPU_SHA_GetHash(unsigned int* digest,
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unsigned int* buffer,
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unsigned int buffLen,
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unsigned int loLen, unsigned int hiLen,
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int stateWords, unsigned int digestSz,
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MXC_TPU_HASH_TYPE algo,
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unsigned char* hash);
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#endif /* defined(MAX3266X_SHA) || defined(MAX3266X_SHA_CB) */
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