120 void EVP_MD_CTX_init(EVP_MD_CTX *ctx)  in EVP_MD_CTX_init()  argument
122 	memset(ctx,'\0',sizeof *ctx);  in EVP_MD_CTX_init()
127 	EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx);  in EVP_MD_CTX_create()  local
129 	EVP_MD_CTX_init(ctx);  in EVP_MD_CTX_create()
131 	return ctx;  in EVP_MD_CTX_create()
134 int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)  in EVP_DigestInit()  argument
136 	EVP_MD_CTX_init(ctx);  in EVP_DigestInit()
137 	return EVP_DigestInit_ex(ctx, type, NULL);  in EVP_DigestInit()
140 int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)  in EVP_DigestInit_ex()  argument
142 	EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED);  in EVP_DigestInit_ex()
148 	if (ctx->engine && ctx->digest && (!type ||  in EVP_DigestInit_ex()
149 			(type && (type->type == ctx->digest->type))))  in EVP_DigestInit_ex()
156 		if(ctx->engine)  in EVP_DigestInit_ex()
157 			ENGINE_finish(ctx->engine);  in EVP_DigestInit_ex()
184 			ctx->engine = impl;  in EVP_DigestInit_ex()
187 			ctx->engine = NULL;  in EVP_DigestInit_ex()
190 	if(!ctx->digest)  in EVP_DigestInit_ex()
196 	if (ctx->digest != type)  in EVP_DigestInit_ex()
198 		if (ctx->digest && ctx->digest->ctx_size)  in EVP_DigestInit_ex()
199 			OPENSSL_free(ctx->md_data);  in EVP_DigestInit_ex()
200 		ctx->digest=type;  in EVP_DigestInit_ex()
202 			ctx->md_data=OPENSSL_malloc(type->ctx_size);  in EVP_DigestInit_ex()
207 	return ctx->digest->init(ctx);  in EVP_DigestInit_ex()
210 int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data,  in EVP_DigestUpdate()  argument
213 	return ctx->digest->update(ctx,data,count);  in EVP_DigestUpdate()
217 int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)  in EVP_DigestFinal()  argument
220 	ret = EVP_DigestFinal_ex(ctx, md, size);  in EVP_DigestFinal()
221 	EVP_MD_CTX_cleanup(ctx);  in EVP_DigestFinal()
226 int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)  in EVP_DigestFinal_ex()  argument
230 	OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);  in EVP_DigestFinal_ex()
231 	ret=ctx->digest->final(ctx,md);  in EVP_DigestFinal_ex()
233 		*size=ctx->digest->md_size;  in EVP_DigestFinal_ex()
234 	if (ctx->digest->cleanup)  in EVP_DigestFinal_ex()
236 		ctx->digest->cleanup(ctx);  in EVP_DigestFinal_ex()
237 		EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED);  in EVP_DigestFinal_ex()
239 	memset(ctx->md_data,0,ctx->digest->ctx_size);  in EVP_DigestFinal_ex()
291 	EVP_MD_CTX ctx;  in EVP_Digest()  local
294 	EVP_MD_CTX_init(&ctx);  in EVP_Digest()
295 	EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT);  in EVP_Digest()
296 	ret=EVP_DigestInit_ex(&ctx, type, impl)  in EVP_Digest()
297 	  && EVP_DigestUpdate(&ctx, data, count)  in EVP_Digest()
298 	  && EVP_DigestFinal_ex(&ctx, md, size);  in EVP_Digest()
299 	EVP_MD_CTX_cleanup(&ctx);  in EVP_Digest()
304 void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx)  in EVP_MD_CTX_destroy()  argument
306 	EVP_MD_CTX_cleanup(ctx);  in EVP_MD_CTX_destroy()
307 	OPENSSL_free(ctx);  in EVP_MD_CTX_destroy()
311 int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)  in EVP_MD_CTX_cleanup()  argument
316 	if (ctx->digest && ctx->digest->cleanup  in EVP_MD_CTX_cleanup()
317 	    && !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED))  in EVP_MD_CTX_cleanup()
318 		ctx->digest->cleanup(ctx);  in EVP_MD_CTX_cleanup()
319 	if (ctx->digest && ctx->digest->ctx_size && ctx->md_data  in EVP_MD_CTX_cleanup()
320 	    && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE))  in EVP_MD_CTX_cleanup()
322 		OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size);  in EVP_MD_CTX_cleanup()
323 		OPENSSL_free(ctx->md_data);  in EVP_MD_CTX_cleanup()
326 	if(ctx->engine)  in EVP_MD_CTX_cleanup()
329 		ENGINE_finish(ctx->engine);  in EVP_MD_CTX_cleanup()
331 	memset(ctx,'\0',sizeof *ctx);  in EVP_MD_CTX_cleanup()