And so it begins...

Initial support for CMS.

Add zlib compression BIO.

Add AES key wrap implementation.

Generalize S/MIME MIME code to support CMS and/or PKCS7.

crypto/asn1/asn1.h

diff --git a/crypto/asn1/asn1.h b/crypto/asn1/asn1.h
index 8acf945..6ab12a9 100644
--- a/crypto/asn1/asn1.h
+++ b/crypto/asn1/asn1.h
@@ -158,7 +158,12 @@
 #define MBSTRING_BMP		(MBSTRING_FLAG|2)
 #define MBSTRING_UNIV		(MBSTRING_FLAG|4)
 
+#define SMIME_OLDMIME		0x400
+#define SMIME_CRLFEOL		0x800
+#define SMIME_STREAM		0x1000
+
 struct X509_algor_st;
+DECLARE_STACK_OF(X509_ALGOR)
 
 #define DECLARE_ASN1_SET_OF(type) /* filled in by mkstack.pl */
 #define IMPLEMENT_ASN1_SET_OF(type) /* nothing, no longer needed */
@@ -218,6 +223,13 @@
  * be inserted in the memory buffer 
  */
 #define ASN1_STRING_FLAG_NDEF 0x010 
+
+/* This flag is used by the CMS code to indicate that a string is not
+ * complete and is a place holder for content when it had all been 
+ * accessed. The flag will be reset when content has been written to it.
+ */
+
+#define ASN1_STRING_FLAG_CONT 0x020 
 /* This is the base type that holds just about everything :-) */
 typedef struct asn1_string_st
 	{
@@ -939,6 +951,12 @@
 
 void *ASN1_item_dup(const ASN1_ITEM *it, void *x);
 
+/* ASN1 alloc/free macros for when a type is only used internally */
+
+#define M_ASN1_new_of(type) (type *)ASN1_item_new(ASN1_ITEM_rptr(type))
+#define M_ASN1_free_of(x, type) \
+		ASN1_item_free(CHECKED_PTR_OF(type, x), ASN1_ITEM_rptr(type))
+
 #ifndef OPENSSL_NO_FP_API
 void *ASN1_d2i_fp(void *(*xnew)(void), d2i_of_void *d2i, FILE *in, void **x);
 
@@ -1100,6 +1118,21 @@
 
 BIO_METHOD *BIO_f_asn1(void);
 
+BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it);
+
+int i2d_ASN1_bio_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
+				const ASN1_ITEM *it);
+int PEM_write_bio_ASN1_stream(BIO *out, ASN1_VALUE *val, BIO *in, int flags,
+				const char *hdr,
+				const ASN1_ITEM *it);
+int SMIME_write_ASN1(BIO *bio, ASN1_VALUE *val, BIO *data, int flags,
+				int ctype_nid,
+				STACK_OF(X509_ALGOR) *mdalgs,
+				const ASN1_ITEM *it);
+ASN1_VALUE *SMIME_read_asn1(BIO *bio, BIO **bcont, const ASN1_ITEM *it);
+int SMIME_crlf_copy(BIO *in, BIO *out, int flags);
+int SMIME_text(BIO *in, BIO *out);
+
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
@@ -1149,6 +1182,7 @@
 #define ASN1_F_ASN1_ITEM_VERIFY				 197
 #define ASN1_F_ASN1_MBSTRING_NCOPY			 122
 #define ASN1_F_ASN1_OBJECT_NEW				 123
+#define ASN1_F_ASN1_OUTPUT_DATA				 214
 #define ASN1_F_ASN1_PACK_STRING				 124
 #define ASN1_F_ASN1_PCTX_NEW				 205
 #define ASN1_F_ASN1_PKCS5_PBE_SET			 125
@@ -1168,6 +1202,9 @@
 #define ASN1_F_ASN1_UNPACK_STRING			 136
 #define ASN1_F_ASN1_UTCTIME_SET				 187
 #define ASN1_F_ASN1_VERIFY				 137
+#define ASN1_F_B64_READ_ASN1				 209
+#define ASN1_F_B64_WRITE_ASN1				 210
+#define ASN1_F_BIO_NEW_NDEF				 208
 #define ASN1_F_BITSTR_CB				 180
 #define ASN1_F_BN_TO_ASN1_ENUMERATED			 138
 #define ASN1_F_BN_TO_ASN1_INTEGER			 139
@@ -1196,6 +1233,7 @@
 #define ASN1_F_D2I_X509					 156
 #define ASN1_F_D2I_X509_CINF				 157
 #define ASN1_F_D2I_X509_PKEY				 159
+#define ASN1_F_I2D_ASN1_BIO_STREAM			 211
 #define ASN1_F_I2D_ASN1_SET				 188
 #define ASN1_F_I2D_ASN1_TIME				 160
 #define ASN1_F_I2D_DSA_PUBKEY				 161
@@ -1209,6 +1247,9 @@
 #define ASN1_F_PARSE_TAGGING				 182
 #define ASN1_F_PKCS5_PBE2_SET_IV			 167
 #define ASN1_F_PKCS5_PBE_SET				 202
+#define ASN1_F_PKCS5_PBE_SET0_ALGOR			 215
+#define ASN1_F_SMIME_READ_ASN1				 212
+#define ASN1_F_SMIME_TEXT				 213
 #define ASN1_F_X509_CINF_NEW				 168
 #define ASN1_F_X509_CRL_ADD0_REVOKED			 169
 #define ASN1_F_X509_INFO_NEW				 170
@@ -1220,6 +1261,8 @@
 
 /* Reason codes. */
 #define ASN1_R_ADDING_OBJECT				 171
+#define ASN1_R_ASN1_PARSE_ERROR				 203
+#define ASN1_R_ASN1_SIG_PARSE_ERROR			 204
 #define ASN1_R_AUX_ERROR				 100
 #define ASN1_R_BAD_CLASS				 101
 #define ASN1_R_BAD_OBJECT_HEADER			 102
@@ -1267,6 +1310,7 @@
 #define ASN1_R_INTEGER_TOO_LARGE_FOR_LONG		 128
 #define ASN1_R_INVALID_BMPSTRING_LENGTH			 129
 #define ASN1_R_INVALID_DIGIT				 130
+#define ASN1_R_INVALID_MIME_TYPE			 205
 #define ASN1_R_INVALID_MODIFIER				 186
 #define ASN1_R_INVALID_NUMBER				 187
 #define ASN1_R_INVALID_SEPARATOR			 131
@@ -1276,6 +1320,9 @@
 #define ASN1_R_IV_TOO_LARGE				 135
 #define ASN1_R_LENGTH_ERROR				 136
 #define ASN1_R_LIST_ERROR				 188
+#define ASN1_R_MIME_NO_CONTENT_TYPE			 206
+#define ASN1_R_MIME_PARSE_ERROR				 207
+#define ASN1_R_MIME_SIG_PARSE_ERROR			 208
 #define ASN1_R_MISSING_EOC				 137
 #define ASN1_R_MISSING_SECOND_NUMBER			 138
 #define ASN1_R_MISSING_VALUE				 189
@@ -1285,8 +1332,12 @@
 #define ASN1_R_NON_HEX_CHARACTERS			 141
 #define ASN1_R_NOT_ASCII_FORMAT				 190
 #define ASN1_R_NOT_ENOUGH_DATA				 142
+#define ASN1_R_NO_CONTENT_TYPE				 209
 #define ASN1_R_NO_DEFAULT_DIGEST			 201
 #define ASN1_R_NO_MATCHING_CHOICE_TYPE			 143
+#define ASN1_R_NO_MULTIPART_BODY_FAILURE		 210
+#define ASN1_R_NO_MULTIPART_BOUNDARY			 211
+#define ASN1_R_NO_SIG_CONTENT_TYPE			 212
 #define ASN1_R_NULL_IS_WRONG_LENGTH			 144
 #define ASN1_R_OBJECT_NOT_ASCII_FORMAT			 191
 #define ASN1_R_ODD_NUMBER_OF_CHARS			 145
@@ -1296,6 +1347,8 @@
 #define ASN1_R_SEQUENCE_NOT_CONSTRUCTED			 149
 #define ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG		 192
 #define ASN1_R_SHORT_LINE				 150
+#define ASN1_R_SIG_INVALID_MIME_TYPE			 213
+#define ASN1_R_STREAMING_NOT_SUPPORTED			 202
 #define ASN1_R_STRING_TOO_LONG				 151
 #define ASN1_R_STRING_TOO_SHORT				 152
 #define ASN1_R_TAG_VALUE_TOO_HIGH			 153