Initial *very* experimental EVP support for AES-GCM. Note: probably very

[openssl.git] / crypto / evp / evp.h

diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index 30f3c752f5a5f90c00a36e7865bc337e64f50c3f..f42bc2687a7fecf1329c24641b28bedd5a44b6f4 100644 (file)
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -217,6 +217,8 @@ typedef int evp_verify_method(int type,const unsigned char *m,
 
 #define EVP_MD_FLAG_DIGALGID_CUSTOM            0x0018
 
+#define EVP_MD_FLAG_FIPS       0x0400 /* Note if suitable for use in FIPS mode */
+
 /* Digest ctrls */
 
 #define        EVP_MD_CTRL_DIGALGID                    0x1
@@ -327,6 +329,7 @@ struct evp_cipher_st
 #define                EVP_CIPH_CFB_MODE               0x3
 #define                EVP_CIPH_OFB_MODE               0x4
 #define                EVP_CIPH_CTR_MODE               0x5
+#define                EVP_CIPH_GCM_MODE               0x6
 #define        EVP_CIPH_MODE                   0xF0007
 /* Set if variable length cipher */
 #define        EVP_CIPH_VARIABLE_LENGTH        0x8
@@ -348,6 +351,14 @@ struct evp_cipher_st
 #define                EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
 /* Buffer length in bits not bytes: CFB1 mode only */
 #define                EVP_CIPH_FLAG_LENGTH_BITS       0x2000
+/* Note if suitable for use in FIPS mode */
+#define                EVP_CIPH_FLAG_FIPS              0x4000
+/* Allow non FIPS cipher in FIPS mode */
+#define                EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
+/* Cipher handles any and all padding logic as well
+ * as finalisation.
+ */
+#define        EVP_CIPH_FLAG_CUSTOM_CIPHER     0x10000
 
 /* ctrl() values */
 
@@ -360,6 +371,9 @@ struct evp_cipher_st
 #define        EVP_CTRL_RAND_KEY               0x6
 #define        EVP_CTRL_PBE_PRF_NID            0x7
 #define        EVP_CTRL_COPY                   0x8
+#define        EVP_CTRL_GCM_SET_IVLEN          0x9
+#define        EVP_CTRL_GCM_GET_TAG            0x10
+#define        EVP_CTRL_GCM_SET_TAG            0x11
 
 typedef struct evp_cipher_info_st
        {
@@ -432,6 +446,22 @@ typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
 
+/* Macros to reduce FIPS dependencies: do NOT use in applications */
+#define M_EVP_MD_size(e)               ((e)->md_size)
+#define M_EVP_MD_block_size(e)         ((e)->block_size)
+#define M_EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
+#define M_EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
+#define M_EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
+#define M_EVP_MD_type(e)                       ((e)->type)
+#define M_EVP_MD_CTX_type(e)           M_EVP_MD_type(M_EVP_MD_CTX_md(e))
+#define M_EVP_MD_CTX_md(e)                     ((e)->digest)
+
+#define M_EVP_CIPHER_CTX_iv_length(e)  (e->cipher->iv_len)
+#define M_EVP_CIPHER_CTX_flags(e)      (e->cipher->flags)
+#define M_EVP_CIPHER_CTX_mode(e)       (M_EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
+
+#define M_EVP_CIPHER_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
+
 int EVP_MD_type(const EVP_MD *md);
 #define EVP_MD_nid(e)                  EVP_MD_type(e)
 #define EVP_MD_name(e)                 OBJ_nid2sn(EVP_MD_nid(e))
@@ -744,6 +774,7 @@ const EVP_CIPHER *EVP_aes_128_cfb128(void);
 # define EVP_aes_128_cfb EVP_aes_128_cfb128
 const EVP_CIPHER *EVP_aes_128_ofb(void);
 const EVP_CIPHER *EVP_aes_128_ctr(void);
+const EVP_CIPHER *EVP_aes_128_gcm(void);
 const EVP_CIPHER *EVP_aes_192_ecb(void);
 const EVP_CIPHER *EVP_aes_192_cbc(void);
 const EVP_CIPHER *EVP_aes_192_cfb1(void);
@@ -752,6 +783,7 @@ const EVP_CIPHER *EVP_aes_192_cfb128(void);
 # define EVP_aes_192_cfb EVP_aes_192_cfb128
 const EVP_CIPHER *EVP_aes_192_ofb(void);
 const EVP_CIPHER *EVP_aes_192_ctr(void);
+const EVP_CIPHER *EVP_aes_192_gcm(void);
 const EVP_CIPHER *EVP_aes_256_ecb(void);
 const EVP_CIPHER *EVP_aes_256_cbc(void);
 const EVP_CIPHER *EVP_aes_256_cfb1(void);
@@ -760,6 +792,7 @@ const EVP_CIPHER *EVP_aes_256_cfb128(void);
 # define EVP_aes_256_cfb EVP_aes_256_cfb128
 const EVP_CIPHER *EVP_aes_256_ofb(void);
 const EVP_CIPHER *EVP_aes_256_ctr(void);
+const EVP_CIPHER *EVP_aes_256_gcm(void);
 #endif
 #ifndef OPENSSL_NO_CAMELLIA
 const EVP_CIPHER *EVP_camellia_128_ecb(void);
@@ -1056,6 +1089,9 @@ void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
 
 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags);
+void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
+                               const EVP_PKEY_METHOD *meth);
+void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
 
@@ -1249,6 +1285,10 @@ void ERR_load_EVP_strings(void);
 #define EVP_F_EVP_RIJNDAEL                              126
 #define EVP_F_EVP_SIGNFINAL                             107
 #define EVP_F_EVP_VERIFYFINAL                           108
+#define EVP_F_FIPS_CIPHERINIT                           166
+#define EVP_F_FIPS_CIPHER_CTX_CTRL                      167
+#define EVP_F_FIPS_DIGESTINIT                           168
+#define EVP_F_FIPS_MD_CTX_COPY                          169
 #define EVP_F_INT_CTX_NEW                               157
 #define EVP_F_PKCS5_PBE_KEYIVGEN                        117
 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN                     118