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openssl/crypto/evp/p5_crpt.c

Index: openssl/crypto/evp/p5_crpt.c
===================================================================
--- openssl/crypto/evp/p5_crpt.c	(revision 105093)
+++ openssl/crypto/evp/p5_crpt.c	(working copy)
@@ -62,42 +62,11 @@
 #include <openssl/x509.h>
 #include <openssl/evp.h>
 
-/* PKCS#5 v1.5 compatible PBE functions: see PKCS#5 v2.0 for more info.
+/* Doesn't do anything now: Builtin PBE algorithms in static table.
  */
 
 void PKCS5_PBE_add(void)
 {
-#ifndef OPENSSL_NO_DES
-#  ifndef OPENSSL_NO_MD5
-EVP_PBE_alg_add(NID_pbeWithMD5AndDES_CBC, EVP_des_cbc(), EVP_md5(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#  ifndef OPENSSL_NO_MD2
-EVP_PBE_alg_add(NID_pbeWithMD2AndDES_CBC, EVP_des_cbc(), EVP_md2(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#  ifndef OPENSSL_NO_SHA
-EVP_PBE_alg_add(NID_pbeWithSHA1AndDES_CBC, EVP_des_cbc(), EVP_sha1(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#endif
-#ifndef OPENSSL_NO_RC2
-#  ifndef OPENSSL_NO_MD5
-EVP_PBE_alg_add(NID_pbeWithMD5AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md5(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#  ifndef OPENSSL_NO_MD2
-EVP_PBE_alg_add(NID_pbeWithMD2AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md2(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#  ifndef OPENSSL_NO_SHA
-EVP_PBE_alg_add(NID_pbeWithSHA1AndRC2_CBC, EVP_rc2_64_cbc(), EVP_sha1(),
-							 PKCS5_PBE_keyivgen);
-#  endif
-#endif
-#ifndef OPENSSL_NO_HMAC
-EVP_PBE_alg_add(NID_pbes2, NULL, NULL, PKCS5_v2_PBE_keyivgen);
-#endif
 }
 
 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
@@ -112,6 +81,7 @@
 	int saltlen, iter;
 	unsigned char *salt;
 	const unsigned char *pbuf;
+	int mdsize;
 
 	/* Extract useful info from parameter */
 	if (param == NULL || param->type != V_ASN1_SEQUENCE ||
@@ -140,9 +110,12 @@
 	EVP_DigestUpdate(&ctx, salt, saltlen);
 	PBEPARAM_free(pbe);
 	EVP_DigestFinal_ex(&ctx, md_tmp, NULL);
+	mdsize = EVP_MD_size(md);
+	if (mdsize < 0)
+	    return 0;
 	for (i = 1; i < iter; i++) {
 		EVP_DigestInit_ex(&ctx, md, NULL);
-		EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md));
+		EVP_DigestUpdate(&ctx, md_tmp, mdsize);
 		EVP_DigestFinal_ex (&ctx, md_tmp, NULL);
 	}
 	EVP_MD_CTX_cleanup(&ctx);