encoder: add a _name() function for encoders and decoders

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15211)

1 files changed, 10 insertions, 0 deletions

diff --git a/crypto/encode_decode/decoder_meth.c b/crypto/encode_decode/decoder_meth.c
index 7a271f7408..48a52c9612 100644
--- a/crypto/encode_decode/decoder_meth.c
+++ b/crypto/encode_decode/decoder_meth.c
@@ -58,6 +58,7 @@ void OSSL_DECODER_free(OSSL_DECODER *decoder)
     CRYPTO_DOWN_REF(&decoder->base.refcnt, &ref, decoder->base.lock);
     if (ref > 0)
         return;
+    OPENSSL_free(decoder->base.name);
     ossl_provider_free(decoder->base.prov);
     CRYPTO_THREAD_lock_free(decoder->base.lock);
     OPENSSL_free(decoder);
@@ -169,6 +170,10 @@ void *ossl_decoder_from_algorithm(int id, const OSSL_ALGORITHM *algodef,
     if ((decoder = ossl_decoder_new()) == NULL)
         return NULL;
     decoder->base.id = id;
+    if ((decoder->base.name = ossl_algorithm_get1_first_name(algodef)) == NULL) {
+        OSSL_DECODER_free(decoder);
+        return NULL;
+    }
     decoder->base.propdef = algodef->property_definition;
     decoder->base.description = algodef->algorithm_description;
 
@@ -426,6 +431,11 @@ int OSSL_DECODER_number(const OSSL_DECODER *decoder)
     return decoder->base.id;
 }
 
+const char *OSSL_DECODER_name(const OSSL_DECODER *decoder)
+{
+    return decoder->base.name;
+}
+
 const char *OSSL_DECODER_description(const OSSL_DECODER *decoder)
 {
     return decoder->base.description;