- /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts
- * so this context may already have an ENGINE! Try to avoid releasing
- * the previous handle, re-querying for an ENGINE, and having a
- * reinitialisation, when it may all be unecessary. */
- if (ctx->engine && ctx->digest && (!type ||
- (type && (type->type == ctx->digest->type))))
- goto skip_to_init;
- if (type)
- {
- /* Ensure an ENGINE left lying around from last time is cleared
- * (the previous check attempted to avoid this if the same
- * ENGINE and EVP_MD could be used). */
- if(ctx->engine)
- ENGINE_finish(ctx->engine);
- if(impl)
- {
- if (!ENGINE_init(impl))
- {
- EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR);
- return 0;
- }
- }
- else
- /* Ask if an ENGINE is reserved for this job */
- impl = ENGINE_get_digest_engine(type->type);
- if(impl)
- {
- /* There's an ENGINE for this job ... (apparently) */
- const EVP_MD *d = ENGINE_get_digest(impl, type->type);
- if(!d)
- {
- /* Same comment from evp_enc.c */
- EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR);
- ENGINE_finish(impl);
- return 0;
- }
- /* We'll use the ENGINE's private digest definition */
- type = d;
- /* Store the ENGINE functional reference so we know
- * 'type' came from an ENGINE and we need to release
- * it when done. */
- ctx->engine = impl;
- }
- else
- ctx->engine = NULL;
- }
- else
- if(!ctx->digest)
- {
- EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_NO_DIGEST_SET);
- return 0;
- }
+ /*
+ * Whether it's nice or not, "Inits" can be used on "Final"'d contexts so
+ * this context may already have an ENGINE! Try to avoid releasing the
+ * previous handle, re-querying for an ENGINE, and having a
+ * reinitialisation, when it may all be unecessary.
+ */
+ if (ctx->engine && ctx->digest && (!type ||
+ (type
+ && (type->type ==
+ ctx->digest->type))))
+ goto skip_to_init;
+ if (type) {
+ /*
+ * Ensure an ENGINE left lying around from last time is cleared (the
+ * previous check attempted to avoid this if the same ENGINE and
+ * EVP_MD could be used).
+ */
+ if (ctx->engine)
+ ENGINE_finish(ctx->engine);
+ if (impl) {
+ if (!ENGINE_init(impl)) {
+ EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
+ return 0;
+ }
+ } else
+ /* Ask if an ENGINE is reserved for this job */
+ impl = ENGINE_get_digest_engine(type->type);
+ if (impl) {
+ /* There's an ENGINE for this job ... (apparently) */
+ const EVP_MD *d = ENGINE_get_digest(impl, type->type);
+ if (!d) {
+ /* Same comment from evp_enc.c */
+ EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
+ ENGINE_finish(impl);
+ return 0;
+ }
+ /* We'll use the ENGINE's private digest definition */
+ type = d;
+ /*
+ * Store the ENGINE functional reference so we know 'type' came
+ * from an ENGINE and we need to release it when done.
+ */
+ ctx->engine = impl;
+ } else
+ ctx->engine = NULL;
+ } else {
+ if (!ctx->digest) {
+ EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_NO_DIGEST_SET);
+ return 0;
+ }
+ type = ctx->digest;
+ }