1 files changed, 80 insertions, 0 deletions
diff --git a/crypto/dsa/dsa_local.h b/crypto/dsa/dsa_local.h
new file mode 100644
index 0000000000..e56ff06977
--- /dev/null
+++ b/crypto/dsa/dsa_local.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/dsa.h>
+#include "internal/refcount.h"
+
+struct dsa_st {
+    /*
+     * This first variable is used to pick up errors where a DSA is passed
+     * instead of of a EVP_PKEY
+     */
+    int pad;
+    int32_t version;
+    BIGNUM *p;
+    BIGNUM *q;                  /* == 20 */
+    BIGNUM *g;
+    BIGNUM *pub_key;            /* y public key */
+    BIGNUM *priv_key;           /* x private key */
+    int flags;
+    /* Normally used to cache montgomery values */
+    BN_MONT_CTX *method_mont_p;
+    CRYPTO_REF_COUNT references;
+    CRYPTO_EX_DATA ex_data;
+    const DSA_METHOD *meth;
+    /* functional reference if 'meth' is ENGINE-provided */
+    ENGINE *engine;
+    CRYPTO_RWLOCK *lock;
+
+    /* Provider data */
+    size_t dirty_cnt; /* If any key material changes, increment this */
+};
+
+struct DSA_SIG_st {
+    BIGNUM *r;
+    BIGNUM *s;
+};
+
+struct dsa_method {
+    char *name;
+    DSA_SIG *(*dsa_do_sign) (const unsigned char *dgst, int dlen, DSA *dsa);
+    int (*dsa_sign_setup) (DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
+                           BIGNUM **rp);
+    int (*dsa_do_verify) (const unsigned char *dgst, int dgst_len,
+                          DSA_SIG *sig, DSA *dsa);
+    int (*dsa_mod_exp) (DSA *dsa, BIGNUM *rr, const BIGNUM *a1,
+                        const BIGNUM *p1, const BIGNUM *a2, const BIGNUM *p2,
+                        const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont);
+    /* Can be null */
+    int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+    int (*init) (DSA *dsa);
+    int (*finish) (DSA *dsa);
+    int flags;
+    void *app_data;
+    /* If this is non-NULL, it is used to generate DSA parameters */
+    int (*dsa_paramgen) (DSA *dsa, int bits,
+                         const unsigned char *seed, int seed_len,
+                         int *counter_ret, unsigned long *h_ret,
+                         BN_GENCB *cb);
+    /* If this is non-NULL, it is used to generate DSA keys */
+    int (*dsa_keygen) (DSA *dsa);
+};
+
+int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
+                         const EVP_MD *evpmd, const unsigned char *seed_in,
+                         size_t seed_len, unsigned char *seed_out,
+                         int *counter_ret, unsigned long *h_ret,
+                         BN_GENCB *cb);
+
+int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
+                          const EVP_MD *evpmd, const unsigned char *seed_in,
+                          size_t seed_len, int idx, unsigned char *seed_out,
+                          int *counter_ret, unsigned long *h_ret,
+                          BN_GENCB *cb);