Initial definitions and a few functions for EVP_PKEY_METHOD: an extension

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

diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h
index 2204e345ad1af7e869541b232bd670a945b8f761..af02514252ae3b0b7c207ecd9be9fb6e3b0a98d8 100644 (file)
--- a/crypto/evp/evp_locl.h
+++ b/crypto/evp/evp_locl.h
@@ -234,3 +234,74 @@ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
                             EVP_CIPHER_set_asn1_iv, \
                             EVP_CIPHER_get_asn1_iv, \
                             NULL)
+
+
+struct evp_pkey_ctx_st
+       {
+       /* Method associated with this operation */
+       const EVP_PKEY_METHOD *pmeth;
+       /* Key: may be NULL */
+       EVP_PKEY *pkey;
+       /* Actual operation */
+       int operation;
+       /* Algorithm specific data */
+       void *data;
+       } /* EVP_PKEY_CTX */;
+
+#define EVP_PKEY_OP_UNDEFINED          0
+#define EVP_PKEY_OP_PARAMGEN           1
+#define EVP_PKEY_OP_KEYGEN             2
+#define EVP_PKEY_OP_SIGN               3
+#define EVP_PKEY_OP_VERIFY             4
+#define EVP_PKEY_OP_VERIFYRECOVER      5
+#define EVP_PKEY_OP_SIGNCTX            6
+#define EVP_PKEY_OP_VERIFYCTX          7
+#define EVP_PKEY_OP_ENCRYPT            8
+#define EVP_PKEY_OP_DECRYPT            9
+
+struct evp_pkey_method_st
+       {
+       int pkey_id;
+       int (*paramgen_init)(EVP_PKEY_CTX *ctx);
+       int (*paramgen)(EVP_PKEY *key, EVP_PKEY_CTX *ctx);
+
+       int (*keygen_init)(EVP_PKEY_CTX *ctx);
+       int (*keygen)(EVP_PKEY *key, EVP_PKEY_CTX *ctx);
+
+       int (*sign_init)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+       int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
+                                       unsigned char *tbs, int tbslen);
+
+       int (*verify_init)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+       int (*verify)(EVP_PKEY_CTX *ctx, unsigned char *sig, int siglen,
+                                       unsigned char *tbs, int tbslen);
+
+       int (*verify_recover_init)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+       int (*verify_recover)(EVP_PKEY_CTX *ctx,
+                                       unsigned char *rout, int *routlen,
+                                       unsigned char *sig, int siglen);
+
+       int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx,
+                                       EVP_PKEY *pkey);
+       int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
+                                       EVP_MD_CTX *mctx);
+
+       int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx,
+                                                       EVP_PKEY *pkey);
+       int (*verifyctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, int siglen,
+                                       EVP_MD_CTX *mctx);
+
+       int (*encrypt_init)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+       int (*encrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
+                                       unsigned char *in, int inlen);
+
+       int (*decrypt_init)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+       int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
+                                       unsigned char *in, int inlen);
+
+       int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
+       int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value);
+
+       void (*cleanup)(EVP_PKEY_CTX *ctx);
+
+       } /* EVP_PKEY_METHOD */;