Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 1 | // This file was extracted from the TCG Published |
| 2 | // Trusted Platform Module Library |
| 3 | // Part 4: Supporting Routines |
| 4 | // Family "2.0" |
| 5 | // Level 00 Revision 01.16 |
| 6 | // October 30, 2014 |
| 7 | |
| 8 | #ifndef _OSSL_CRYPTO_ENGINE_H |
| 9 | #define _OSSL_CRYPTO_ENGINE_H |
| 10 | #include <openssl/aes.h> |
| 11 | #include <openssl/evp.h> |
| 12 | #include <openssl/sha.h> |
| 13 | #include <openssl/ec.h> |
| 14 | #include <openssl/rand.h> |
| 15 | #include <openssl/bn.h> |
Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 16 | #define CRYPTO_ENGINE |
| 17 | #include "CryptoEngine.h" |
| 18 | #include "CpriMisc_fp.h" |
| 19 | #define MAX_ECC_PARAMETER_BYTES 32 |
| 20 | #define MAX_2B_BYTES MAX((MAX_RSA_KEY_BYTES * ALG_RSA), \ |
| 21 | MAX((MAX_ECC_PARAMETER_BYTES * ALG_ECC), \ |
| 22 | MAX_DIGEST_SIZE)) |
| 23 | #define assert2Bsize(a) pAssert((a).size <= sizeof((a).buffer)) |
| 24 | #ifdef TPM_ALG_RSA |
| 25 | # ifdef RSA_KEY_SIEVE |
| 26 | # include "RsaKeySieve.h" |
| 27 | # include "RsaKeySieve_fp.h" |
| 28 | # endif |
| 29 | # include "CpriRSA_fp.h" |
| 30 | #endif |
Darren Krahn | 929ede7 | 2015-12-15 13:22:06 -0800 | [diff] [blame] | 31 | |
| 32 | #ifdef OPENSSL_IS_BORINGSSL |
| 33 | // libtpm2 reads internal EVP_MD state (e.g. ctx_size). The boringssl headers |
| 34 | // don't expose this type so define it here. |
| 35 | struct env_md_st { |
| 36 | /* type contains a NID identifing the digest function. (For example, |
| 37 | * NID_md5.) */ |
| 38 | int type; |
| 39 | |
| 40 | /* md_size contains the size, in bytes, of the resulting digest. */ |
| 41 | unsigned md_size; |
| 42 | |
| 43 | /* flags contains the OR of |EVP_MD_FLAG_*| values. */ |
| 44 | uint32_t flags; |
| 45 | |
| 46 | /* init initialises the state in |ctx->md_data|. */ |
| 47 | void (*init)(EVP_MD_CTX *ctx); |
| 48 | |
| 49 | /* update hashes |len| bytes of |data| into the state in |ctx->md_data|. */ |
| 50 | void (*update)(EVP_MD_CTX *ctx, const void *data, size_t count); |
| 51 | |
| 52 | /* final completes the hash and writes |md_size| bytes of digest to |out|. */ |
| 53 | void (*final)(EVP_MD_CTX *ctx, uint8_t *out); |
| 54 | |
| 55 | /* block_size contains the hash's native block size. */ |
| 56 | unsigned block_size; |
| 57 | |
| 58 | /* ctx_size contains the size, in bytes, of the state of the hash function. */ |
| 59 | unsigned ctx_size; |
| 60 | }; |
| 61 | #endif |
| 62 | |
Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 63 | // |
| 64 | // This is a structure to hold the parameters for the version of KDFa() used by the CryptoEngine(). This |
| 65 | // structure allows the state to be passed between multiple functions that use the same pseudo-random |
| 66 | // sequence. |
| 67 | // |
| 68 | typedef struct { |
| 69 | CPRI_HASH_STATE iPadCtx; |
| 70 | CPRI_HASH_STATE oPadCtx; |
| 71 | TPM2B *extra; |
| 72 | UINT32 *outer; |
| 73 | TPM_ALG_ID hashAlg; |
| 74 | UINT16 keySizeInBits; |
| 75 | } KDFa_CONTEXT; |
| 76 | #endif // _OSSL_CRYPTO_ENGINE_H |