diff options
Diffstat (limited to 'main/openssl')
| -rw-r--r-- | main/openssl/openssl-0.9.8k-padlock-sha.patch | 821 |
1 files changed, 0 insertions, 821 deletions
diff --git a/main/openssl/openssl-0.9.8k-padlock-sha.patch b/main/openssl/openssl-0.9.8k-padlock-sha.patch deleted file mode 100644 index b2e7e954d..000000000 --- a/main/openssl/openssl-0.9.8k-padlock-sha.patch +++ /dev/null @@ -1,821 +0,0 @@ -# -# OpenSSL patch to support VIA C7 hash engine -# Written by: Timo Teras <timo.teras@iki.fi> -# based on patch by: Michal Ludvig <michal@logix.cz> -# http://www.logix.cz/michal/devel/padlock -# -Index: openssl-0.9.8k/crypto/engine/eng_padlock.c -=================================================================== ---- openssl-0.9.8k.orig/crypto/engine/eng_padlock.c 2009-07-27 16:18:20.000000000 +0300 -+++ openssl-0.9.8k/crypto/engine/eng_padlock.c 2009-07-30 22:02:54.000000000 +0300 -@@ -1,10 +1,13 @@ --/* -+/* - * Support for VIA PadLock Advanced Cryptography Engine (ACE) - * Written by Michal Ludvig <michal@logix.cz> - * http://www.logix.cz/michal - * -- * Big thanks to Andy Polyakov for a help with optimization, -- * assembler fixes, port to MS Windows and a lot of other -+ * SHA support by Timo Teras <timo.teras@iki.fi> based on code -+ * originally by Michal Ludvig. -+ * -+ * Big thanks to Andy Polyakov for a help with optimization, -+ * assembler fixes, port to MS Windows and a lot of other - * valuable work on this engine! - */ - -@@ -66,6 +69,13 @@ - #include <stdio.h> - #include <string.h> - -+#include <signal.h> -+#include <stdint.h> -+#include <unistd.h> -+#include <sys/mman.h> -+#include <sys/ucontext.h> -+#include <arpa/inet.h> -+ - #include <openssl/opensslconf.h> - #include <openssl/crypto.h> - #include <openssl/dso.h> -@@ -74,12 +84,23 @@ - #ifndef OPENSSL_NO_AES - #include <openssl/aes.h> - #endif -+#ifndef OPENSSL_NO_SHA -+#include <openssl/sha.h> -+#endif - #include <openssl/rand.h> - #include <openssl/err.h> - - #ifndef OPENSSL_NO_HW - #ifndef OPENSSL_NO_HW_PADLOCK - -+/* PadLock RNG is disabled by default */ -+#define PADLOCK_NO_RNG 1 -+ -+/* No ASM routines for SHA in MSC yet */ -+#ifdef _MSC_VER -+#define OPENSSL_NO_SHA -+#endif -+ - /* Attempt to have a single source for both 0.9.7 and 0.9.8 :-) */ - #if (OPENSSL_VERSION_NUMBER >= 0x00908000L) - # ifndef OPENSSL_NO_DYNAMIC_ENGINE -@@ -96,7 +117,7 @@ - /* VIA PadLock AES is available *ONLY* on some x86 CPUs. - Not only that it doesn't exist elsewhere, but it - even can't be compiled on other platforms! -- -+ - In addition, because of the heavy use of inline assembler, - compiler choice is limited to GCC and Microsoft C. */ - #undef COMPILE_HW_PADLOCK -@@ -138,20 +159,42 @@ - static int padlock_init(ENGINE *e); - - /* RNG Stuff */ -+#ifndef PADLOCK_NO_RNG - static RAND_METHOD padlock_rand; -+#endif - - /* Cipher Stuff */ - #ifndef OPENSSL_NO_AES - static int padlock_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid); - #endif - -+/* Digest Stuff */ -+#ifndef OPENSSL_NO_SHA -+static int padlock_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid); -+static volatile void *padlock_cached_sha_buffer = NULL; -+#endif -+ - /* Engine names */ - static const char *padlock_id = "padlock"; - static char padlock_name[100]; - - /* Available features */ --static int padlock_use_ace = 0; /* Advanced Cryptography Engine */ --static int padlock_use_rng = 0; /* Random Number Generator */ -+enum padlock_flags { -+ PADLOCK_RNG = 0x01, -+ PADLOCK_ACE = 0x02, -+ PADLOCK_ACE2 = 0x04, -+ PADLOCK_PHE = 0x08, -+ PADLOCK_PMM = 0x10 -+}; -+enum padlock_flags padlock_flags; -+ -+#define PADLOCK_HAVE_RNG (padlock_flags & PADLOCK_RNG) -+#define PADLOCK_HAVE_ACE (padlock_flags & (PADLOCK_ACE|PADLOCK_ACE2)) -+#define PADLOCK_HAVE_ACE1 (padlock_flags & PADLOCK_ACE) -+#define PADLOCK_HAVE_ACE2 (padlock_flags & PADLOCK_ACE2) -+#define PADLOCK_HAVE_PHE (padlock_flags & PADLOCK_PHE) -+#define PADLOCK_HAVE_PMM (padlock_flags & PADLOCK_PMM) -+ - #ifndef OPENSSL_NO_AES - static int padlock_aes_align_required = 1; - #endif -@@ -165,25 +208,30 @@ - /* Check available features */ - padlock_available(); - --#if 1 /* disable RNG for now, see commentary in vicinity of RNG code */ -- padlock_use_rng=0; --#endif -- - /* Generate a nice engine name with available features */ - BIO_snprintf(padlock_name, sizeof(padlock_name), -- "VIA PadLock (%s, %s)", -- padlock_use_rng ? "RNG" : "no-RNG", -- padlock_use_ace ? "ACE" : "no-ACE"); -+ "VIA PadLock: %s%s%s%s%s", -+ padlock_flags ? "" : "not supported", -+ PADLOCK_HAVE_RNG ? "RNG " : "", -+ PADLOCK_HAVE_ACE ? (PADLOCK_HAVE_ACE2 ? "ACE2 " : "ACE ") : "", -+ PADLOCK_HAVE_PHE ? "PHE " : "", -+ PADLOCK_HAVE_PMM ? "PMM " : ""); - -- /* Register everything or return with an error */ -+ /* Register everything or return with an error */ - if (!ENGINE_set_id(e, padlock_id) || - !ENGINE_set_name(e, padlock_name) || - -- !ENGINE_set_init_function(e, padlock_init) || -+ !ENGINE_set_init_function(e, padlock_init) - #ifndef OPENSSL_NO_AES -- (padlock_use_ace && !ENGINE_set_ciphers (e, padlock_ciphers)) || -+ || (PADLOCK_HAVE_ACE && !ENGINE_set_ciphers (e, padlock_ciphers)) - #endif -- (padlock_use_rng && !ENGINE_set_RAND (e, &padlock_rand))) { -+#ifndef OPENSSL_NO_SHA -+ || (PADLOCK_HAVE_PHE && !ENGINE_set_digests (e, padlock_digests)) -+#endif -+#ifndef PADLOCK_NO_RNG -+ || (PADLOCK_HAVE_RNG && !ENGINE_set_RAND (e, &padlock_rand)) -+#endif -+ ) { - return 0; - } - -@@ -213,7 +261,7 @@ - static int - padlock_init(ENGINE *e) - { -- return (padlock_use_rng || padlock_use_ace); -+ return (padlock_flags); - } - - /* This stuff is needed if this ENGINE is being compiled into a self-contained -@@ -247,7 +295,7 @@ - #define AES_KEY_SIZE_192 24 - #define AES_KEY_SIZE_256 32 - --/* Here we store the status information relevant to the -+/* Here we store the status information relevant to the - current context. */ - /* BIG FAT WARNING: - * Inline assembler in PADLOCK_XCRYPT_ASM() -@@ -306,7 +354,7 @@ - { - int result = -1; - -- /* We're checking if the bit #21 of EFLAGS -+ /* We're checking if the bit #21 of EFLAGS - can be toggled. If yes = CPUID is available. */ - asm volatile ( - "pushf\n" -@@ -322,7 +370,7 @@ - "xorl %%eax, %%ecx\n" - "movl %%ecx, %0\n" - : "=r" (result) : : "eax", "ecx"); -- -+ - return (result == 0); - } - -@@ -365,10 +413,22 @@ - : "+a"(eax), "=d"(edx) : : "ecx"); - - /* Fill up some flags */ -- padlock_use_ace = ((edx & (0x3<<6)) == (0x3<<6)); -- padlock_use_rng = ((edx & (0x3<<2)) == (0x3<<2)); -+ padlock_flags |= ((edx & (0x3<<3)) ? PADLOCK_RNG : 0); -+ padlock_flags |= ((edx & (0x3<<7)) ? PADLOCK_ACE : 0); -+ padlock_flags |= ((edx & (0x3<<9)) ? PADLOCK_ACE2 : 0); -+ padlock_flags |= ((edx & (0x3<<11)) ? PADLOCK_PHE : 0); -+ padlock_flags |= ((edx & (0x3<<13)) ? PADLOCK_PMM : 0); - -- return padlock_use_ace + padlock_use_rng; -+ return padlock_flags; -+} -+ -+static inline void -+padlock_htonl_block(uint32_t *data, size_t count) -+{ -+ while (count--) { -+ asm volatile ("bswapl %0" : "+r"(*data)); -+ data++; -+ } - } - - #ifndef OPENSSL_NO_AES -@@ -377,17 +437,14 @@ - padlock_bswapl(AES_KEY *ks) - { - size_t i = sizeof(ks->rd_key)/sizeof(ks->rd_key[0]); -- unsigned int *key = ks->rd_key; -+ uint32_t *key = (uint32_t*) ks->rd_key; - -- while (i--) { -- asm volatile ("bswapl %0" : "+r"(*key)); -- key++; -- } -+ padlock_htonl_block(key, i); - } - #endif - - /* Force key reload from memory to the CPU microcode. -- Loading EFLAGS from the stack clears EFLAGS[30] -+ Loading EFLAGS from the stack clears EFLAGS[30] - which does the trick. */ - static inline void - padlock_reload_key(void) -@@ -423,7 +480,7 @@ - } - - /* Template for padlock_xcrypt_* modes */ --/* BIG FAT WARNING: -+/* BIG FAT WARNING: - * The offsets used with 'leal' instructions - * describe items of the 'padlock_cipher_data' - * structure. -@@ -475,7 +532,7 @@ - * In case you wonder 'rep xcrypt*' instructions above are *not* - * affected by the Direction Flag and pointers advance toward - * larger addresses unconditionally. -- */ -+ */ - static inline unsigned char * - padlock_memcpy(void *dst,const void *src,size_t n) - { -@@ -501,7 +558,7 @@ - _asm _emit 0x0f _asm _emit 0xa7 \ - _asm _emit code - --/* BIG FAT WARNING: -+/* BIG FAT WARNING: - * The offsets used with 'lea' instructions - * describe items of the 'padlock_cipher_data' - * structure. -@@ -840,7 +897,7 @@ - return 1; - } - --/* -+/* - * Simplified version of padlock_aes_cipher() used when - * 1) both input and output buffers are at aligned addresses. - * or when -@@ -895,7 +952,7 @@ - # error "insane PADLOCK_CHUNK..." - #endif - --/* Re-align the arguments to 16-Bytes boundaries and run the -+/* Re-align the arguments to 16-Bytes boundaries and run the - encryption function itself. This function is not AES-specific. */ - static int - padlock_aes_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out_arg, -@@ -1157,6 +1214,514 @@ - - #endif /* OPENSSL_NO_AES */ - -+#ifndef OPENSSL_NO_SHA -+ -+#define DIGEST_DATA(ctx) ((struct padlock_digest_data *)(ctx->md_data)) -+#define PADLOCK_SHA_ALIGN(dd) (uint32_t*)(((uintptr_t)(dd) + 15) & ~15) -+#define PADLOCK_SHA_PAGES 14 -+#define PADLOCK_SHA_BUFFER (512 - sizeof(size_t) - 4*sizeof(void*)) -+#define PADLOCK_SHA_INITVECTOR_SIZE (8 * sizeof(uint32_t)) -+ -+struct padlock_digest_data { -+ union { -+ unsigned char smallbuffer[PADLOCK_SHA_BUFFER]; -+ struct { -+ unsigned char padlockctx[128+16]; -+ unsigned char *buffer; -+ size_t mmap_size; -+ uint64_t total; -+ }; -+ }; -+ void *initvector; -+ size_t used; -+ void (*hash)(void *padlockctx, const void *buf, size_t len); -+ int (*update)(EVP_MD_CTX *ctx, const void *buffer, size_t len); -+ int (*final)(EVP_MD_CTX *ctx, unsigned char *buffer); -+}; -+ -+static inline void * -+padlock_atomic_xchg(volatile void **mem, void *fixed) -+{ -+ /* No lock prefix due the xchg asserts it anyway, and the -+ * funny unsigned long* cast is required to workaround some gcc -+ * problems if compiling in PIC mode */ -+ asm volatile ( -+ "xchg %0, %1" -+ : "=r"(fixed) -+ : "m"(*(unsigned long*)mem), "0"(fixed) -+ : "memory"); -+ return fixed; -+} -+ -+static void -+padlock_do_sha1(void *padlockctx, const void *buf, size_t len) -+{ -+ asm volatile ( -+ "xsha1" -+ : "+S"(buf), "+D"(padlockctx) -+ : "c"(len), "a"(0)); -+} -+ -+static void -+padlock_do_sha256(void *padlockctx, const void *buf, size_t len) -+{ -+ asm volatile ( -+ "xsha256" -+ : "+S"(buf), "+D"(padlockctx) -+ : "c"(len), "a"(0)); -+} -+ -+static void -+handle_sigsegv(int sig, siginfo_t *info, void *uctxp) -+{ -+ ucontext_t *uctx = uctxp; -+ uctx->uc_mcontext.gregs[14] += 4; -+} -+ -+static void -+padlock_sha_nonfinalizing(struct padlock_digest_data *data) -+{ -+ struct sigaction act, oldact; -+ size_t bofs = 0; -+ -+ if (data->used != data->mmap_size) { -+ bofs = data->mmap_size - data->used; -+ memmove(&data->buffer[bofs], data->buffer, data->used); -+ } -+ -+ memset(&act, 0, sizeof(act)); -+ act.sa_sigaction = handle_sigsegv; -+ act.sa_flags = SA_SIGINFO; -+ sigaction(SIGSEGV, &act, &oldact); -+ data->hash(PADLOCK_SHA_ALIGN(data->padlockctx), -+ &data->buffer[bofs], data->used + 64); -+ sigaction(SIGSEGV, &oldact, NULL); -+} -+ -+static void -+padlock_free_buffer(void *buf) -+{ -+ buf = padlock_atomic_xchg(&padlock_cached_sha_buffer, buf); -+ if (buf != NULL) { -+ munmap(buf, (PADLOCK_SHA_PAGES + 1) * getpagesize()); -+ } -+} -+ -+static void * -+padlock_allocate_buffer(size_t *maxsize) -+{ -+ void *buf; -+ size_t size, page; -+ -+ page = getpagesize(); -+ buf = padlock_atomic_xchg(&padlock_cached_sha_buffer, NULL); -+ if (buf != NULL) -+ goto ret; -+ -+ size = (PADLOCK_SHA_PAGES + 1) * page; -+ buf = mmap(0, size, PROT_READ | PROT_WRITE, -+ MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); -+ if (buf == NULL) -+ return NULL; -+ -+ /* Try locking the pages to avoid swapping, but don't fail if -+ * we are over quota. */ -+ mlock(buf, size); -+ -+ if (mprotect(buf + PADLOCK_SHA_PAGES * page, page, PROT_NONE) < 0) { -+ munmap(buf, size); -+ return NULL; -+ } -+ -+ret: -+ *maxsize = PADLOCK_SHA_PAGES * page - 64; -+ -+ return buf; -+} -+ -+static int -+padlock_multi_update(EVP_MD_CTX *ctx, const void *data, size_t len) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ size_t chunk_size; -+ -+ if (ddata->buffer == NULL) -+ ddata->buffer = padlock_allocate_buffer(&ddata->mmap_size); -+ -+ while (len) { -+ if (ddata->used + len < ddata->mmap_size) { -+ memcpy(&ddata->buffer[ddata->used], data, len); -+ ddata->used += len; -+ ddata->total += len; -+ return 1; -+ } -+ -+ chunk_size = ddata->mmap_size - ddata->used; -+ memcpy(&ddata->buffer[ddata->used], data, chunk_size); -+ -+ data += chunk_size; -+ len -= chunk_size; -+ ddata->used = ddata->mmap_size; -+ ddata->total += chunk_size; -+ padlock_sha_nonfinalizing(ddata); -+ ddata->used = 0; -+ } -+ -+ return 1; -+} -+ -+static int -+padlock_oneshot_final(EVP_MD_CTX *ctx, unsigned char *md) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ size_t size = EVP_MD_CTX_size(ctx); -+ -+ memcpy(md, PADLOCK_SHA_ALIGN(ddata->padlockctx), size); -+ return 1; -+} -+ -+static int -+padlock_copy_final(EVP_MD_CTX *ctx, unsigned char *md) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ char padlockctx[128+16]; -+ void *aligned = PADLOCK_SHA_ALIGN(padlockctx); -+ size_t size = EVP_MD_CTX_size(ctx); -+ -+ memcpy(aligned, ddata->initvector, PADLOCK_SHA_INITVECTOR_SIZE); -+ ddata->hash(aligned, ddata->smallbuffer, ddata->used); -+ padlock_htonl_block(aligned, size / sizeof(uint32_t)); -+ memcpy(md, aligned, size); -+ -+ return 1; -+} -+ -+static int -+padlock_multi_final(EVP_MD_CTX *ctx, unsigned char *md) -+{ -+ static const char padding[64] = { 0x80, }; -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ size_t mdsize = EVP_MD_CTX_size(ctx); -+ void *aligned = PADLOCK_SHA_ALIGN(ddata->padlockctx); -+ -+ if (ddata->used == ddata->total) { -+ /* Sweet, everything fits in one buffer. */ -+ ddata->hash(aligned, ddata->buffer, ddata->used); -+ } else { -+ /* Hardware already hashed some buffers. -+ * Do finalizing manually */ -+ union { -+ uint64_t u64; -+ uint32_t u32[2]; -+ } bits_le, bits; -+ size_t lastblocklen, padlen; -+ -+ /* BigEndianise the length. */ -+ bits_le.u64 = ddata->total * 8; -+ bits.u32[1] = htonl(bits_le.u32[0]); -+ bits.u32[0] = htonl(bits_le.u32[1]); -+ -+ /* Append padding, leave space for length. */ -+ lastblocklen = ddata->total & 63; -+ padlen = (lastblocklen < 56) ? (56 - lastblocklen) : ((64+56) - lastblocklen); -+ padlock_multi_update(ctx, padding, padlen); -+ -+ /* Length in BigEndian64 */ -+ padlock_multi_update(ctx, (const char *) &bits, sizeof(bits)); -+ -+ /* And finally calculate it */ -+ padlock_sha_nonfinalizing(ddata); -+ } -+ padlock_htonl_block(aligned, mdsize / sizeof(uint32_t)); -+ memcpy(md, aligned, mdsize); -+ -+ return 1; -+} -+ -+static int -+padlock_copy_update(EVP_MD_CTX *ctx, const void *data, size_t len) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ -+ if (ddata->used + len > sizeof(ddata->smallbuffer)) { -+ ddata->update = padlock_multi_update; -+ ddata->final = padlock_multi_final; -+ -+ if (ddata->used != 0) { -+ void *buffer; -+ size_t mmap_size; -+ -+ buffer = padlock_allocate_buffer(&mmap_size); -+ memcpy(buffer, ddata->smallbuffer, ddata->used); -+ ddata->buffer = buffer; -+ ddata->total = ddata->used; -+ ddata->mmap_size = mmap_size; -+ } else { -+ ddata->buffer = NULL; -+ ddata->total = 0; -+ } -+ -+ memcpy(PADLOCK_SHA_ALIGN(ddata->padlockctx), ddata->initvector, -+ PADLOCK_SHA_INITVECTOR_SIZE); -+ -+ return padlock_multi_update(ctx, data, len); -+ } -+ -+ memcpy(&ddata->smallbuffer[ddata->used], data, len); -+ ddata->used += len; -+ -+ return 1; -+} -+ -+static int -+padlock_oneshot_update(EVP_MD_CTX *ctx, const void *data, size_t len) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ void *aligned = PADLOCK_SHA_ALIGN(ddata->padlockctx); -+ size_t mdsize = EVP_MD_CTX_size(ctx); -+ -+ /* Oneshot update is only possible if context flags indicate so */ -+ if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { -+ ddata->update = padlock_copy_update; -+ ddata->final = padlock_copy_final; -+ return padlock_copy_update(ctx, data, len); -+ } -+ -+ memcpy(aligned, ddata->initvector, PADLOCK_SHA_INITVECTOR_SIZE); -+ ddata->hash(aligned, data, len); -+ padlock_htonl_block(aligned, mdsize / sizeof(uint32_t)); -+ ddata->used += len; -+ -+ return 1; -+} -+ -+static int -+padlock_sha_init(struct padlock_digest_data *ddata) -+{ -+ ddata->used = 0; -+ ddata->update = padlock_oneshot_update; -+ ddata->final = padlock_oneshot_final; -+ -+ return 1; -+} -+ -+static int -+padlock_sha1_init(EVP_MD_CTX *ctx) -+{ -+ static uint32_t sha1_initvector[8] = { -+ 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, -+ 0xC3D2E1F0 -+ }; -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ -+ ddata->hash = padlock_do_sha1; -+ ddata->initvector = sha1_initvector; -+ return padlock_sha_init(ddata); -+} -+ -+static int -+padlock_sha224_init(EVP_MD_CTX *ctx) -+{ -+ static uint32_t sha224_initvector[] = { -+ 0xC1059ED8, 0x367CD507, 0x3070DD17, 0xF70E5939, -+ 0xFFC00B31, 0x68581511, 0x64F98FA7, 0xBEFA4FA4, -+ }; -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ -+ ddata->hash = padlock_do_sha256; -+ ddata->initvector = sha224_initvector; -+ return padlock_sha_init(ddata); -+} -+ -+static int -+padlock_sha256_init(EVP_MD_CTX *ctx) -+{ -+ static uint32_t sha256_initvector[] = { -+ 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, -+ 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 -+ }; -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ -+ ddata->hash = padlock_do_sha256; -+ ddata->initvector = sha256_initvector; -+ return padlock_sha_init(ddata); -+} -+ -+static int -+padlock_sha_update(EVP_MD_CTX *ctx, const void *data, size_t length) -+{ -+ return DIGEST_DATA(ctx)->update(ctx, data, length); -+} -+ -+static int -+padlock_sha_final(EVP_MD_CTX *ctx, unsigned char *md) -+{ -+ return DIGEST_DATA(ctx)->final(ctx, md); -+} -+ -+static int -+padlock_sha_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from) -+{ -+ struct padlock_digest_data *dfrom = DIGEST_DATA(from); -+ struct padlock_digest_data *dto = DIGEST_DATA(to); -+ -+ /* When we get here, dto is already a memcpied from dfrom, -+ * it's ok for all other cases except when data is on a separate -+ * mmapped area. It would be nice if we had a flag, if this is -+ * a "finalization copy", so we could do finalizing SHA here and -+ * store the result to *to precalculated. But there's no such -+ * flag as to is reset on copy. */ -+ -+ if (dfrom->update != padlock_copy_update) { -+ /* Recopy the context, as they might have different alignment */ -+ memcpy(PADLOCK_SHA_ALIGN(dto->padlockctx), -+ PADLOCK_SHA_ALIGN(dfrom->padlockctx), -+ PADLOCK_SHA_INITVECTOR_SIZE); -+ } -+ -+ if (dfrom->update == padlock_multi_update) { -+ /* Update total, and copy the buffer */ -+ dto->total = dfrom->total - dfrom->used; -+ dto->buffer = NULL; -+ dto->used = 0; -+ dto->mmap_size = 0; -+ if (dfrom->used != 0) -+ padlock_sha_update(to, dfrom->buffer, dfrom->used); -+ } -+ -+ return 1; -+} -+ -+static int -+padlock_sha_cleanup(EVP_MD_CTX *ctx) -+{ -+ struct padlock_digest_data *ddata = DIGEST_DATA(ctx); -+ -+ if (ddata->update == padlock_multi_update && ddata->buffer != NULL) -+ padlock_free_buffer(ddata->buffer); -+ -+ return 1; -+} -+ -+static const EVP_MD padlock_sha1_md = { -+ NID_sha1, -+ NID_sha1WithRSAEncryption, -+ SHA_DIGEST_LENGTH, -+ 0, -+ padlock_sha1_init, -+ padlock_sha_update, -+ padlock_sha_final, -+ padlock_sha_copy, -+ padlock_sha_cleanup, -+ EVP_PKEY_RSA_method, -+ SHA_CBLOCK, -+ sizeof(struct padlock_digest_data), -+}; -+ -+static const EVP_MD padlock_dss1_md = { -+ NID_dsa, -+ NID_dsaWithSHA1, -+ SHA_DIGEST_LENGTH, -+ 0, -+ padlock_sha1_init, -+ padlock_sha_update, -+ padlock_sha_final, -+ padlock_sha_copy, -+ padlock_sha_cleanup, -+ EVP_PKEY_DSA_method, -+ SHA_CBLOCK, -+ sizeof(struct padlock_digest_data), -+}; -+ -+static const EVP_MD padlock_sha224_md = { -+ NID_sha224, -+ NID_sha224WithRSAEncryption, -+ SHA224_DIGEST_LENGTH, -+ 0, -+ padlock_sha224_init, -+ padlock_sha_update, -+ padlock_sha_final, -+ padlock_sha_copy, -+ padlock_sha_cleanup, -+ EVP_PKEY_RSA_method, -+ SHA_CBLOCK, -+ sizeof(struct padlock_digest_data), -+}; -+ -+static const EVP_MD padlock_sha256_md = { -+ NID_sha256, -+ NID_sha256WithRSAEncryption, -+ SHA256_DIGEST_LENGTH, -+ 0, -+ padlock_sha256_init, -+ padlock_sha_update, -+ padlock_sha_final, -+ padlock_sha_copy, -+ padlock_sha_cleanup, -+ EVP_PKEY_RSA_method, -+ SHA_CBLOCK, -+ sizeof(struct padlock_digest_data), -+}; -+ -+static int padlock_digest_nids[] = { -+#if !defined(OPENSSL_NO_SHA) -+ NID_sha1, -+ NID_dsa, -+#endif -+#if !defined(OPENSSL_NO_SHA256) -+#if !defined(OPENSSL_NO_SHA224) -+ NID_sha224, -+#endif -+ NID_sha256, -+#endif -+}; -+ -+static int padlock_digest_nids_num = sizeof(padlock_digest_nids)/sizeof(padlock_digest_nids[0]); -+ -+static int -+padlock_digests (ENGINE *e, const EVP_MD **digest, const int **nids, int nid) -+{ -+ /* No specific digest => return a list of supported nids ... */ -+ if (!digest) { -+ *nids = padlock_digest_nids; -+ return padlock_digest_nids_num; -+ } -+ -+ /* ... or the requested "digest" otherwise */ -+ switch (nid) { -+#if !defined(OPENSSL_NO_SHA) -+ case NID_sha1: -+ *digest = &padlock_sha1_md; -+ break; -+ case NID_dsa: -+ *digest = &padlock_dss1_md; -+ break; -+#endif -+ -+#if !defined(OPENSSL_NO_SHA256) -+#if !defined(OPENSSL_NO_SHA224) -+ case NID_sha224: -+ *digest = &padlock_sha224_md; -+ break; -+#endif /* OPENSSL_NO_SHA224 */ -+ -+ case NID_sha256: -+ *digest = &padlock_sha256_md; -+ break; -+#endif /* OPENSSL_NO_SHA256 */ -+ -+ default: -+ /* Sorry, we don't support this NID */ -+ *digest = NULL; -+ return 0; -+ } -+ -+ return 1; -+} -+ -+#endif /* OPENSSL_NO_SHA */ -+ -+#ifndef PADLOCK_NO_RNG - /* ===== Random Number Generator ===== */ - /* - * This code is not engaged. The reason is that it does not comply -@@ -1164,7 +1729,7 @@ - * (posted at http://www.via.com.tw/en/viac3/c3.jsp) nor does it - * provide meaningful error control... - */ --/* Wrapper that provides an interface between the API and -+/* Wrapper that provides an interface between the API and - the raw PadLock RNG */ - static int - padlock_rand_bytes(unsigned char *output, int count) -@@ -1212,6 +1777,7 @@ - padlock_rand_bytes, /* pseudorand */ - padlock_rand_status, /* rand status */ - }; -+#endif /* PADLOCK_NO_RNG */ - - #endif /* COMPILE_HW_PADLOCK */ - |