diff options
Diffstat (limited to 'core/fdrm/crypto')
-rw-r--r-- | core/fdrm/crypto/fx_crypt.h | 49 | ||||
-rw-r--r-- | core/fdrm/crypto/fx_crypt_aes.cpp | 65 | ||||
-rw-r--r-- | core/fdrm/crypto/fx_crypt_sha.cpp | 39 |
3 files changed, 79 insertions, 74 deletions
diff --git a/core/fdrm/crypto/fx_crypt.h b/core/fdrm/crypto/fx_crypt.h index 2b127948f0..5416080af7 100644 --- a/core/fdrm/crypto/fx_crypt.h +++ b/core/fdrm/crypto/fx_crypt.h @@ -16,6 +16,19 @@ struct CRYPT_rc4_context { int32_t m[kRC4ContextPermutationLength]; }; +#define MAX_NR 14 +#define MAX_NK 8 +#define MAX_NB 8 +struct CRYPT_aes_context { + void (*encrypt)(CRYPT_aes_context* ctx, unsigned int* block); + void (*decrypt)(CRYPT_aes_context* ctx, unsigned int* block); + int Nb; + int Nr; + unsigned int keysched[(MAX_NR + 1) * MAX_NB]; + unsigned int invkeysched[(MAX_NR + 1) * MAX_NB]; + unsigned int iv[MAX_NB]; +}; + struct CRYPT_md5_context { uint32_t total[2]; uint32_t state[4]; @@ -30,13 +43,7 @@ struct CRYPT_sha1_context { unsigned int lenlo; }; -struct CRYPT_sha256_context { - uint32_t total[2]; - uint32_t state[8]; - uint8_t buffer[64]; -}; - -struct CRYPT_sha384_context { +struct CRYPT_sha2_context { uint64_t total[2]; uint64_t state[8]; uint8_t buffer[128]; @@ -53,17 +60,17 @@ void CRYPT_ArcFourCrypt(CRYPT_rc4_context* context, uint8_t* data, uint32_t size); -void CRYPT_AESSetKey(void* context, +void CRYPT_AESSetKey(CRYPT_aes_context* context, uint32_t blocklen, const uint8_t* key, uint32_t keylen, bool bEncrypt); -void CRYPT_AESSetIV(void* context, const uint8_t* iv); -void CRYPT_AESDecrypt(void* context, +void CRYPT_AESSetIV(CRYPT_aes_context* context, const uint8_t* iv); +void CRYPT_AESDecrypt(CRYPT_aes_context* context, uint8_t* dest, const uint8_t* src, uint32_t size); -void CRYPT_AESEncrypt(void* context, +void CRYPT_AESEncrypt(CRYPT_aes_context* context, uint8_t* dest, const uint8_t* src, uint32_t size); @@ -82,27 +89,29 @@ void CRYPT_SHA1Update(CRYPT_sha1_context* context, void CRYPT_SHA1Finish(CRYPT_sha1_context* context, uint8_t digest[20]); void CRYPT_SHA1Generate(const uint8_t* data, uint32_t size, uint8_t digest[20]); -void CRYPT_SHA256Start(CRYPT_sha256_context* context); -void CRYPT_SHA256Update(CRYPT_sha256_context* context, +void CRYPT_SHA256Start(CRYPT_sha2_context* context); +void CRYPT_SHA256Update(CRYPT_sha2_context* context, const uint8_t* data, uint32_t size); -void CRYPT_SHA256Finish(CRYPT_sha256_context* context, uint8_t digest[32]); +void CRYPT_SHA256Finish(CRYPT_sha2_context* context, uint8_t digest[32]); void CRYPT_SHA256Generate(const uint8_t* data, uint32_t size, uint8_t digest[32]); -void CRYPT_SHA384Start(CRYPT_sha384_context* context); -void CRYPT_SHA384Update(CRYPT_sha384_context* context, +void CRYPT_SHA384Start(CRYPT_sha2_context* context); +void CRYPT_SHA384Update(CRYPT_sha2_context* context, const uint8_t* data, uint32_t size); -void CRYPT_SHA384Finish(CRYPT_sha384_context* context, uint8_t digest[48]); +void CRYPT_SHA384Finish(CRYPT_sha2_context* context, uint8_t digest[48]); void CRYPT_SHA384Generate(const uint8_t* data, uint32_t size, uint8_t digest[48]); -void CRYPT_SHA512Start(void* context); -void CRYPT_SHA512Update(void* context, const uint8_t* data, uint32_t size); -void CRYPT_SHA512Finish(void* context, uint8_t digest[64]); +void CRYPT_SHA512Start(CRYPT_sha2_context* context); +void CRYPT_SHA512Update(CRYPT_sha2_context* context, + const uint8_t* data, + uint32_t size); +void CRYPT_SHA512Finish(CRYPT_sha2_context* context, uint8_t digest[64]); void CRYPT_SHA512Generate(const uint8_t* data, uint32_t size, uint8_t digest[64]); diff --git a/core/fdrm/crypto/fx_crypt_aes.cpp b/core/fdrm/crypto/fx_crypt_aes.cpp index 671dc65f31..94d66d0956 100644 --- a/core/fdrm/crypto/fx_crypt_aes.cpp +++ b/core/fdrm/crypto/fx_crypt_aes.cpp @@ -6,9 +6,6 @@ #include "core/fdrm/crypto/fx_crypt.h" -#define MAX_NR 14 -#define MAX_NK 8 -#define MAX_NB 8 #define mulby2(x) (((x & 0x7F) << 1) ^ (x & 0x80 ? 0x1B : 0)) #define GET_32BIT_MSB_FIRST(cp) \ (((unsigned long)(unsigned char)(cp)[3]) | \ @@ -23,15 +20,6 @@ (cp)[0] = (value) >> 24; \ } while (0) -struct AESContext { - unsigned int keysched[(MAX_NR + 1) * MAX_NB]; - unsigned int invkeysched[(MAX_NR + 1) * MAX_NB]; - void (*encrypt)(AESContext* ctx, unsigned int* block); - void (*decrypt)(AESContext* ctx, unsigned int* block); - unsigned int iv[MAX_NB]; - int Nb, Nr; -}; - namespace { const unsigned char Sbox[256] = { @@ -462,7 +450,8 @@ const unsigned int D3[256] = { (Sbox[(block[(i + C1) % Nb] >> 16) & 0xFF] << 16) | \ (Sbox[(block[(i + C2) % Nb] >> 8) & 0xFF] << 8) | \ (Sbox[(block[(i + C3) % Nb]) & 0xFF])) -void aes_encrypt_nb_4(AESContext* ctx, unsigned int* block) { + +void aes_encrypt_nb_4(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 1, C2 = 2, C3 = 3, Nb = 4; unsigned int* keysched = ctx->keysched; @@ -489,7 +478,8 @@ void aes_encrypt_nb_4(AESContext* ctx, unsigned int* block) { MOVEWORD(3); ADD_ROUND_KEY_4; } -void aes_encrypt_nb_6(AESContext* ctx, unsigned int* block) { + +void aes_encrypt_nb_6(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 1, C2 = 2, C3 = 3, Nb = 6; unsigned int* keysched = ctx->keysched; @@ -524,7 +514,8 @@ void aes_encrypt_nb_6(AESContext* ctx, unsigned int* block) { MOVEWORD(5); ADD_ROUND_KEY_6; } -void aes_encrypt_nb_8(AESContext* ctx, unsigned int* block) { + +void aes_encrypt_nb_8(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 1, C2 = 3, C3 = 4, Nb = 8; unsigned int* keysched = ctx->keysched; @@ -579,7 +570,8 @@ void aes_encrypt_nb_8(AESContext* ctx, unsigned int* block) { (Sboxinv[(block[(i + C1) % Nb] >> 16) & 0xFF] << 16) | \ (Sboxinv[(block[(i + C2) % Nb] >> 8) & 0xFF] << 8) | \ (Sboxinv[(block[(i + C3) % Nb]) & 0xFF])) -void aes_decrypt_nb_4(AESContext* ctx, unsigned int* block) { + +void aes_decrypt_nb_4(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 4 - 1, C2 = 4 - 2, C3 = 4 - 3, Nb = 4; unsigned int* keysched = ctx->invkeysched; @@ -606,7 +598,8 @@ void aes_decrypt_nb_4(AESContext* ctx, unsigned int* block) { MOVEWORD(3); ADD_ROUND_KEY_4; } -void aes_decrypt_nb_6(AESContext* ctx, unsigned int* block) { + +void aes_decrypt_nb_6(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 6 - 1, C2 = 6 - 2, C3 = 6 - 3, Nb = 6; unsigned int* keysched = ctx->invkeysched; @@ -641,7 +634,8 @@ void aes_decrypt_nb_6(AESContext* ctx, unsigned int* block) { MOVEWORD(5); ADD_ROUND_KEY_6; } -void aes_decrypt_nb_8(AESContext* ctx, unsigned int* block) { + +void aes_decrypt_nb_8(CRYPT_aes_context* ctx, unsigned int* block) { int i; const int C1 = 8 - 1, C2 = 8 - 3, C3 = 8 - 4, Nb = 8; unsigned int* keysched = ctx->invkeysched; @@ -686,7 +680,7 @@ void aes_decrypt_nb_8(AESContext* ctx, unsigned int* block) { } #undef MAKEWORD #undef LASTWORD -void aes_setup(AESContext* ctx, +void aes_setup(CRYPT_aes_context* ctx, int blocklen, const unsigned char* key, int keylen) { @@ -753,13 +747,13 @@ void aes_setup(AESContext* ctx, } } } -void aes_decrypt(AESContext* ctx, unsigned int* block) { +void aes_decrypt(CRYPT_aes_context* ctx, unsigned int* block) { ctx->decrypt(ctx, block); } void aes_decrypt_cbc(unsigned char* dest, const unsigned char* src, int len, - AESContext* ctx) { + CRYPT_aes_context* ctx) { unsigned int iv[4], x[4], ct[4]; int i; ASSERT((len & 15) == 0); @@ -779,13 +773,15 @@ void aes_decrypt_cbc(unsigned char* dest, } memcpy(ctx->iv, iv, sizeof(iv)); } -void aes_encrypt(AESContext* ctx, unsigned int* block) { + +void aes_encrypt(CRYPT_aes_context* ctx, unsigned int* block) { ctx->encrypt(ctx, block); } + void aes_encrypt_cbc(unsigned char* dest, const unsigned char* src, int len, - AESContext* ctx) { + CRYPT_aes_context* ctx) { unsigned int iv[4]; int i; ASSERT((len & 15) == 0); @@ -807,28 +803,29 @@ void aes_encrypt_cbc(unsigned char* dest, } // namespace -void CRYPT_AESSetKey(void* context, +void CRYPT_AESSetKey(CRYPT_aes_context* context, uint32_t blocklen, const uint8_t* key, uint32_t keylen, bool bEncrypt) { - aes_setup((AESContext*)context, blocklen, key, keylen); + aes_setup(context, blocklen, key, keylen); } -void CRYPT_AESSetIV(void* context, const uint8_t* iv) { - int i; - for (i = 0; i < ((AESContext*)context)->Nb; i++) { - ((AESContext*)context)->iv[i] = GET_32BIT_MSB_FIRST(iv + 4 * i); - } + +void CRYPT_AESSetIV(CRYPT_aes_context* context, const uint8_t* iv) { + for (int i = 0; i < context->Nb; i++) + context->iv[i] = GET_32BIT_MSB_FIRST(iv + 4 * i); } -void CRYPT_AESDecrypt(void* context, + +void CRYPT_AESDecrypt(CRYPT_aes_context* context, uint8_t* dest, const uint8_t* src, uint32_t len) { - aes_decrypt_cbc(dest, src, len, (AESContext*)context); + aes_decrypt_cbc(dest, src, len, context); } -void CRYPT_AESEncrypt(void* context, + +void CRYPT_AESEncrypt(CRYPT_aes_context* context, uint8_t* dest, const uint8_t* src, uint32_t len) { - aes_encrypt_cbc(dest, src, len, (AESContext*)context); + aes_encrypt_cbc(dest, src, len, context); } diff --git a/core/fdrm/crypto/fx_crypt_sha.cpp b/core/fdrm/crypto/fx_crypt_sha.cpp index 49f77558f0..7420a32d48 100644 --- a/core/fdrm/crypto/fx_crypt_sha.cpp +++ b/core/fdrm/crypto/fx_crypt_sha.cpp @@ -144,7 +144,7 @@ void SHATransform(unsigned int* digest, unsigned int* block) { digest[4] += e; } -void sha256_process(CRYPT_sha256_context* ctx, const uint8_t data[64]) { +void sha256_process(CRYPT_sha2_context* ctx, const uint8_t data[64]) { uint32_t temp1, temp2, W[64]; uint32_t A, B, C, D, E, F, G, H; GET_UINT32(W[0], data, 0); @@ -289,7 +289,7 @@ uint64_t const constants[] = { 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL, }; -void sha384_process(CRYPT_sha384_context* ctx, const uint8_t data[128]) { +void sha384_process(CRYPT_sha2_context* ctx, const uint8_t data[128]) { uint64_t temp1, temp2; uint64_t A, B, C, D, E, F, G, H; uint64_t W[80]; @@ -436,7 +436,7 @@ void CRYPT_SHA1Generate(const uint8_t* data, CRYPT_SHA1Update(&s, data, size); CRYPT_SHA1Finish(&s, digest); } -void CRYPT_SHA256Start(CRYPT_sha256_context* ctx) { +void CRYPT_SHA256Start(CRYPT_sha2_context* ctx) { ctx->total[0] = 0; ctx->total[1] = 0; ctx->state[0] = 0x6A09E667; @@ -449,7 +449,7 @@ void CRYPT_SHA256Start(CRYPT_sha256_context* ctx) { ctx->state[7] = 0x5BE0CD19; } -void CRYPT_SHA256Update(CRYPT_sha256_context* ctx, +void CRYPT_SHA256Update(CRYPT_sha2_context* ctx, const uint8_t* input, uint32_t length) { if (!length) @@ -478,7 +478,7 @@ void CRYPT_SHA256Update(CRYPT_sha256_context* ctx, memcpy(ctx->buffer + left, input, length); } -void CRYPT_SHA256Finish(CRYPT_sha256_context* ctx, uint8_t digest[32]) { +void CRYPT_SHA256Finish(CRYPT_sha2_context* ctx, uint8_t digest[32]) { uint32_t last, padn; uint32_t high, low; uint8_t msglen[8]; @@ -503,17 +503,17 @@ void CRYPT_SHA256Finish(CRYPT_sha256_context* ctx, uint8_t digest[32]) { void CRYPT_SHA256Generate(const uint8_t* data, uint32_t size, uint8_t digest[32]) { - CRYPT_sha256_context ctx; + CRYPT_sha2_context ctx; CRYPT_SHA256Start(&ctx); CRYPT_SHA256Update(&ctx, data, size); CRYPT_SHA256Finish(&ctx, digest); } -void CRYPT_SHA384Start(CRYPT_sha384_context* ctx) { +void CRYPT_SHA384Start(CRYPT_sha2_context* ctx) { if (!ctx) return; - memset(ctx, 0, sizeof(CRYPT_sha384_context)); + memset(ctx, 0, sizeof(CRYPT_sha2_context)); ctx->state[0] = 0xcbbb9d5dc1059ed8ULL; ctx->state[1] = 0x629a292a367cd507ULL; ctx->state[2] = 0x9159015a3070dd17ULL; @@ -524,7 +524,7 @@ void CRYPT_SHA384Start(CRYPT_sha384_context* ctx) { ctx->state[7] = 0x47b5481dbefa4fa4ULL; } -void CRYPT_SHA384Update(CRYPT_sha384_context* ctx, +void CRYPT_SHA384Update(CRYPT_sha2_context* ctx, const uint8_t* input, uint32_t length) { if (!length) @@ -552,7 +552,7 @@ void CRYPT_SHA384Update(CRYPT_sha384_context* ctx, memcpy(ctx->buffer + left, input, length); } -void CRYPT_SHA384Finish(CRYPT_sha384_context* ctx, uint8_t digest[48]) { +void CRYPT_SHA384Finish(CRYPT_sha2_context* ctx, uint8_t digest[48]) { uint32_t last, padn; uint8_t msglen[16]; memset(msglen, 0, 16); @@ -576,18 +576,17 @@ void CRYPT_SHA384Finish(CRYPT_sha384_context* ctx, uint8_t digest[48]) { void CRYPT_SHA384Generate(const uint8_t* data, uint32_t size, uint8_t digest[64]) { - CRYPT_sha384_context context; + CRYPT_sha2_context context; CRYPT_SHA384Start(&context); CRYPT_SHA384Update(&context, data, size); CRYPT_SHA384Finish(&context, digest); } -void CRYPT_SHA512Start(void* context) { - if (!context) +void CRYPT_SHA512Start(CRYPT_sha2_context* ctx) { + if (!ctx) return; - CRYPT_sha384_context* ctx = (CRYPT_sha384_context*)context; - memset(ctx, 0, sizeof(CRYPT_sha384_context)); + memset(ctx, 0, sizeof(CRYPT_sha2_context)); ctx->state[0] = 0xa09e667f3bcc908ULL; ctx->state[1] = 0xb67ae8584caa73bULL; ctx->state[2] = 0xc6ef372fe94f82bULL; @@ -598,13 +597,13 @@ void CRYPT_SHA512Start(void* context) { ctx->state[7] = 0xbe0cd19137e2179ULL; } -void CRYPT_SHA512Update(void* context, const uint8_t* data, uint32_t size) { - CRYPT_sha384_context* ctx = (CRYPT_sha384_context*)context; +void CRYPT_SHA512Update(CRYPT_sha2_context* ctx, + const uint8_t* data, + uint32_t size) { CRYPT_SHA384Update(ctx, data, size); } -void CRYPT_SHA512Finish(void* context, uint8_t digest[64]) { - CRYPT_sha384_context* ctx = (CRYPT_sha384_context*)context; +void CRYPT_SHA512Finish(CRYPT_sha2_context* ctx, uint8_t digest[64]) { uint32_t last, padn; uint8_t msglen[16]; memset(msglen, 0, 16); @@ -630,7 +629,7 @@ void CRYPT_SHA512Finish(void* context, uint8_t digest[64]) { void CRYPT_SHA512Generate(const uint8_t* data, uint32_t size, uint8_t digest[64]) { - CRYPT_sha384_context context; + CRYPT_sha2_context context; CRYPT_SHA512Start(&context); CRYPT_SHA512Update(&context, data, size); CRYPT_SHA512Finish(&context, digest); |