diff options
Diffstat (limited to 'ext/openssl')
-rw-r--r-- | ext/openssl/ossl_digest.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/ext/openssl/ossl_digest.c b/ext/openssl/ossl_digest.c index 16aeeb8106..1ae26a2355 100644 --- a/ext/openssl/ossl_digest.c +++ b/ext/openssl/ossl_digest.c @@ -103,7 +103,8 @@ VALUE ossl_digest_update(VALUE, VALUE); * Digest.new(string [, data]) -> Digest * * Creates a Digest instance based on _string_, which is either the ln - * (long name) or sn (short name) of a supported digest algorithm. + * (long name) or sn (short name) of a supported digest algorithm. A list of + * supported algorithms can be obtained by calling OpenSSL::Digest.digests. * * If _data_ (a String) is given, it is used as the initial input to the * Digest instance, i.e. @@ -162,6 +163,32 @@ ossl_digest_copy(VALUE self, VALUE other) return self; } +static void +add_digest_name_to_ary(const OBJ_NAME *name, void *arg) +{ + VALUE ary = (VALUE)arg; + rb_ary_push(ary, rb_str_new2(name->name)); +} + +/* + * call-seq: + * OpenSSL::Digest.digests -> array[string...] + * + * Returns the names of all available digests in an array. + */ +static VALUE +ossl_s_digests(VALUE self) +{ + VALUE ary; + + ary = rb_ary_new(); + OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, + add_digest_name_to_ary, + (void*)ary); + + return ary; +} + /* * call-seq: * digest.reset -> self @@ -245,7 +272,8 @@ ossl_digest_finish(int argc, VALUE *argv, VALUE self) * call-seq: * digest.name -> string * - * Returns the sn of this Digest algorithm. + * Returns the short name of this Digest algorithm which may differ slightly + * from the original name provided. * * === Example * digest = OpenSSL::Digest.new('SHA512') @@ -412,6 +440,7 @@ Init_ossl_digest(void) rb_define_alloc_func(cDigest, ossl_digest_alloc); + rb_define_module_function(cDigest, "digests", ossl_s_digests, 0); rb_define_method(cDigest, "initialize", ossl_digest_initialize, -1); rb_define_method(cDigest, "initialize_copy", ossl_digest_copy, 1); rb_define_method(cDigest, "reset", ossl_digest_reset, 0); |