X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fevp_lib.c;h=b180e4828a8c8901727ffb7676203add0d82ba5c;hp=729fc8f4e6ab669411e5672051eae3ddd9778c54;hb=96f7fafa24313106b121782f1dcf7928dd0838ed;hpb=31b8d8684441e6cd5138832bb1b2ddb10acd6ba6

diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index 729fc8f4e6..b180e4828a 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -58,46 +58,46 @@
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include "evp.h"
-#include "objects.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
 
-int EVP_CIPHER_param_to_asn1(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int ret;
 
 	if (c->cipher->set_asn1_parameters != NULL)
 		ret=c->cipher->set_asn1_parameters(c,type);
+	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
+		ret=EVP_CIPHER_set_asn1_iv(c, type);
 	else
-		ret=1;
+		ret=-1;
 	return(ret);
 	}
 
-int EVP_CIPHER_asn1_to_param(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
 	int ret;
 
 	if (c->cipher->get_asn1_parameters != NULL)
 		ret=c->cipher->get_asn1_parameters(c,type);
+	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
+		ret=EVP_CIPHER_get_asn1_iv(c, type);
 	else
-		ret=1;
+		ret=-1;
 	return(ret);
 	}
 
-int EVP_CIPHER_get_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
-	int i=0,l;
+	int i=0;
+	unsigned int l;
 
 	if (type != NULL) 
 		{
 		l=EVP_CIPHER_CTX_iv_length(c);
+		OPENSSL_assert(l <= sizeof(c->iv));
 		i=ASN1_TYPE_get_octetstring(type,c->oiv,l);
-		if (i != l)
+		if (i != (int)l)
 			return(-1);
 		else if (i > 0)
 			memcpy(c->iv,c->oiv,l);
@@ -105,16 +105,212 @@ ASN1_TYPE *type;
 	return(i);
 	}
 
-int EVP_CIPHER_set_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
+int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
 	{
-	int i=0,j;
+	int i=0;
+	unsigned int j;
 
 	if (type != NULL)
 		{
 		j=EVP_CIPHER_CTX_iv_length(c);
+		OPENSSL_assert(j <= sizeof(c->iv));
 		i=ASN1_TYPE_set_octetstring(type,c->oiv,j);
 		}
 	return(i);
 	}
+
+/* Convert the various cipher NIDs and dummies to a proper OID NID */
+int EVP_CIPHER_type(const EVP_CIPHER *ctx)
+{
+	int nid;
+	ASN1_OBJECT *otmp;
+	nid = EVP_CIPHER_nid(ctx);
+
+	switch(nid) {
+
+		case NID_rc2_cbc:
+		case NID_rc2_64_cbc:
+		case NID_rc2_40_cbc:
+
+		return NID_rc2_cbc;
+
+		case NID_rc4:
+		case NID_rc4_40:
+
+		return NID_rc4;
+
+		case NID_aes_128_cfb128:
+		case NID_aes_128_cfb8:
+		case NID_aes_128_cfb1:
+
+		return NID_aes_128_cfb128;
+
+		case NID_aes_192_cfb128:
+		case NID_aes_192_cfb8:
+		case NID_aes_192_cfb1:
+
+		return NID_aes_192_cfb128;
+
+		case NID_aes_256_cfb128:
+		case NID_aes_256_cfb8:
+		case NID_aes_256_cfb1:
+
+		return NID_aes_256_cfb128;
+
+		case NID_des_cfb64:
+		case NID_des_cfb8:
+		case NID_des_cfb1:
+
+		return NID_des_cfb64;
+
+		case NID_des_ede3_cfb64:
+		case NID_des_ede3_cfb8:
+		case NID_des_ede3_cfb1:
+
+		return NID_des_cfb64;
+
+		default:
+		/* Check it has an OID and it is valid */
+		otmp = OBJ_nid2obj(nid);
+		if(!otmp || !otmp->data) nid = NID_undef;
+		ASN1_OBJECT_free(otmp);
+		return nid;
+	}
+}
+
+int EVP_CIPHER_block_size(const EVP_CIPHER *e)
+	{
+	return e->block_size;
+	}
+
+int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->cipher->block_size;
+	}
+
+int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl)
+	{
+	return ctx->cipher->do_cipher(ctx,out,in,inl);
+	}
+
+const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->cipher;
+	}
+
+unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher)
+	{
+	return cipher->flags;
+	}
+
+unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->cipher->flags;
+	}
+
+void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->app_data;
+	}
+
+void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data)
+	{
+	ctx->app_data = data;
+	}
+
+int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
+	{
+	return cipher->iv_len;
+	}
+
+int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->cipher->iv_len;
+	}
+
+int EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
+	{
+	return cipher->key_len;
+	}
+
+int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->key_len;
+	}
+
+int EVP_CIPHER_nid(const EVP_CIPHER *cipher)
+	{
+	return cipher->nid;
+	}
+
+int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx)
+	{
+	return ctx->cipher->nid;
+	}
+
+int EVP_MD_block_size(const EVP_MD *md) 
+	{
+	return md->block_size;
+	}
+
+int EVP_MD_type(const EVP_MD *md)
+	{
+	return md->type;
+	}
+
+int EVP_MD_pkey_type(const EVP_MD *md)
+	{
+	return md->pkey_type;
+	}
+
+int EVP_MD_size(const EVP_MD *md)
+	{
+	if (!md)
+		{
+		EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
+		return -1;
+		}
+	return md->md_size;
+	}
+
+unsigned long EVP_MD_flags(const EVP_MD *md)
+	{
+	return md->flags;
+	}
+
+const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
+	{
+	if (!ctx)
+		return NULL;
+	return ctx->digest;
+	}
+
+void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)
+	{
+	ctx->flags |= flags;
+	}
+
+void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags)
+	{
+	ctx->flags &= ~flags;
+	}
+
+int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags)
+	{
+	return (ctx->flags & flags);
+	}
+
+void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags)
+	{
+	ctx->flags |= flags;
+	}
+
+void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags)
+	{
+	ctx->flags &= ~flags;
+	}
+
+int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags)
+	{
+	return (ctx->flags & flags);
+	}