replaces four spaces by tabs, where appropriate

src/libstrongswan/crypto/crypters/crypter.h

@@ -56,9 +56,9 @@ enum encryption_algorithm_t {
 	ENCR_CAMELLIA_CCM_ICV12 = 26,
 	ENCR_CAMELLIA_CCM_ICV16 = 27,
 	ENCR_UNDEFINED =        1024,
-    ENCR_DES_ECB =          1025,
+	ENCR_DES_ECB =          1025,
 	ENCR_SERPENT_CBC =      1026,
-    ENCR_TWOFISH_CBC =      1027
+	ENCR_TWOFISH_CBC =      1027
 };
 
 #define DES_BLOCK_SIZE			 8

src/libstrongswan/crypto/crypto_factory.c

@@ -116,7 +116,7 @@ static crypter_t* create_crypter(private_crypto_factory_t *this,
 		{
 			if (this->test_on_create &&
 				!this->tester->test_crypter(this->tester, algo, key_size,
-										    entry->create_crypter))
+											entry->create_crypter))
 			{
 				continue;
 			}

src/libstrongswan/crypto/pkcs7.c

@@ -727,7 +727,7 @@ chunk_t pkcs7_build_issuerAndSerialNumber(x509_t *cert)
 {
 	identification_t *issuer = cert->get_issuer(cert);
 
-    return asn1_wrap(ASN1_SEQUENCE, "cm",
+	return asn1_wrap(ASN1_SEQUENCE, "cm",
 			issuer->get_encoding(issuer),
 			asn1_simple_object(ASN1_INTEGER, cert->get_serialNumber(cert)));
 }
@@ -806,7 +806,7 @@ bool build_envelopedData(private_pkcs7_t *this, x509_t *cert,
 	crypter->encrypt(crypter, in, iv, &out);
 	crypter->destroy(crypter);
 	chunk_clear(&in);
-    DBG3("  encrypted data: %B", &out);
+	DBG3("  encrypted data: %B", &out);
 
 	/* build pkcs7 enveloped data object */
 	{
@@ -839,7 +839,7 @@ bool build_envelopedData(private_pkcs7_t *this, x509_t *cert,
 					asn1_wrap(ASN1_SET, "m", recipientInfo),
 					encryptedContentInfo);
 		this->type = OID_PKCS7_ENVELOPED_DATA;
-    }
+	}
 	return TRUE;
 }
 

src/libstrongswan/crypto/pkcs9.c

@@ -249,7 +249,7 @@ static void build_encoding(private_pkcs9_t *this)
 		while (iterator->iterate(iterator, (void**)&attribute))
 		{
 			memcpy(pos, attribute->encoding.ptr, attribute->encoding.len);
-            pos += attribute->encoding.len;
+			pos += attribute->encoding.len;
  		}
 		iterator->destroy(iterator);
 	}
@@ -428,7 +428,7 @@ static bool parse_attributes(chunk_t chunk, int level0, private_pkcs9_t* this)
 
 					if (type != ASN1_EOC)
 					{
-				    	if (!asn1_parse_simple_object(&object, type,
+						if (!asn1_parse_simple_object(&object, type,
 										parser->get_level(parser)+1,
 										oid_names[oid].name))
 						{

src/libstrongswan/crypto/proposal/proposal_keywords.h

@@ -21,10 +21,10 @@
 typedef struct proposal_token proposal_token_t;
 
 struct proposal_token {
-    char             *name;
-    transform_type_t  type;
+	char             *name;
+	transform_type_t  type;
 	u_int16_t         algorithm;
-    u_int16_t         keysize;
+	u_int16_t         keysize;
 };
 
 extern const proposal_token_t* proposal_get_token(register const char *str,