diff options
Diffstat (limited to 'lib/gc-libgcrypt.c')
| -rw-r--r-- | lib/gc-libgcrypt.c | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/lib/gc-libgcrypt.c b/lib/gc-libgcrypt.c index fbfd0a138f..3ca17c2639 100644 --- a/lib/gc-libgcrypt.c +++ b/lib/gc-libgcrypt.c @@ -33,6 +33,9 @@ MD2 algorithm. Therefore take the implementation from gnulib. */ # include "md2.h" #endif +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 +# include "sm3.h" +#endif #include <assert.h> @@ -243,14 +246,22 @@ gc_cipher_close (gc_cipher_handle handle) /* Hashes. */ +/* Maximum of GC_MD2_DIGEST_SIZE and GC_SM3_DIGEST_SIZE. */ +#define MAX_DIGEST_SIZE 32 + typedef struct _gc_hash_ctx { Gc_hash alg; Gc_hash_mode mode; gcry_md_hd_t gch; +#if GNULIB_GC_MD2 || (GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3) + char hash[MAX_DIGEST_SIZE]; +#endif #if GNULIB_GC_MD2 - char hash[GC_MD2_DIGEST_SIZE]; struct md2_ctx md2Context; #endif +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 + struct sm3_ctx sm3Context; +#endif } _gc_hash_ctx; Gc_rc @@ -312,7 +323,12 @@ gc_hash_open (Gc_hash hash, Gc_hash_mode mode, gc_hash_handle * outhandle) #if GNULIB_GC_SM3 case GC_SM3: +# if LIBGCRYPT_HAS_MD_SM3 gcryalg = GCRY_MD_SM3; +# else + sm3_init_ctx (&ctx->sm3Context); + gcryalg = GCRY_MD_NONE; +# endif break; #endif @@ -433,7 +449,10 @@ gc_hash_hmac_setkey (gc_hash_handle handle, size_t len, const char *key) #if GNULIB_GC_MD2 if (ctx->alg != GC_MD2) #endif - gcry_md_setkey (ctx->gch, key, len); +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 + if (ctx->alg != GC_SM3) +#endif + gcry_md_setkey (ctx->gch, key, len); } void @@ -446,6 +465,11 @@ gc_hash_write (gc_hash_handle handle, size_t len, const char *data) md2_process_bytes (data, len, &ctx->md2Context); else #endif +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 + if (ctx->alg == GC_SM3) + sm3_process_bytes (data, len, &ctx->sm3Context); + else +#endif gcry_md_write (ctx->gch, data, len); } @@ -463,6 +487,14 @@ gc_hash_read (gc_hash_handle handle) } else #endif +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 + if (ctx->alg == GC_SM3) + { + sm3_finish_ctx (&ctx->sm3Context, ctx->hash); + digest = ctx->hash; + } + else +#endif { gcry_md_final (ctx->gch); digest = (const char *) gcry_md_read (ctx->gch, 0); @@ -479,7 +511,10 @@ gc_hash_close (gc_hash_handle handle) #if GNULIB_GC_MD2 if (ctx->alg != GC_MD2) #endif - gcry_md_close (ctx->gch); +#if GNULIB_GC_SM3 && !LIBGCRYPT_HAS_MD_SM3 + if (ctx->alg != GC_SM3) +#endif + gcry_md_close (ctx->gch); free (ctx); } @@ -495,7 +530,6 @@ gc_hash_buffer (Gc_hash hash, const void *in, size_t inlen, char *resbuf) case GC_MD2: md2_buffer (in, inlen, resbuf); return GC_OK; - break; #endif #if GNULIB_GC_MD4 @@ -548,8 +582,13 @@ gc_hash_buffer (Gc_hash hash, const void *in, size_t inlen, char *resbuf) #if GNULIB_GC_SM3 case GC_SM3: +# if !LIBGCRYPT_HAS_MD_SM3 + sm3_buffer (in, inlen, resbuf); + return GC_OK; +# else gcryalg = GCRY_MD_SM3; break; +# endif #endif default: @@ -672,6 +711,10 @@ gc_sha1 (const void *in, size_t inlen, void *resbuf) Gc_rc gc_sm3 (const void *in, size_t inlen, void *resbuf) { +# if !LIBGCRYPT_HAS_MD_SM3 + sm3_buffer (in, inlen, resbuf); + return GC_OK; +# else size_t outlen = gcry_md_get_algo_dlen (GCRY_MD_SM3); gcry_md_hd_t hd; gpg_error_t err; @@ -697,6 +740,7 @@ gc_sm3 (const void *in, size_t inlen, void *resbuf) gcry_md_close (hd); return GC_OK; +# endif } #endif |