Constify the parameter getters for RSA, DSA and DH

Including documentation changes

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>

3 files changed, 13 insertions, 7 deletions

diff --git a/include/openssl/dh.h b/include/openssl/dh.h
index 2eb596d2ba..a574e1871e 100644
--- a/include/openssl/dh.h
+++ b/include/openssl/dh.h
@@ -151,9 +151,11 @@ int DH_KDF_X9_42(unsigned char *out, size_t outlen,
                  const unsigned char *ukm, size_t ukmlen, const EVP_MD *md);
 # endif
 
-void DH_get0_pqg(const DH *dh, BIGNUM **p, BIGNUM **q, BIGNUM **g);
+void DH_get0_pqg(const DH *dh,
+                 const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
 int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
-void DH_get0_key(const DH *dh, BIGNUM **pub_key, BIGNUM **priv_key);
+void DH_get0_key(const DH *dh,
+                 const BIGNUM **pub_key, const BIGNUM **priv_key);
 int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
 void DH_clear_flags(DH *dh, int flags);
 int DH_test_flags(const DH *dh, int flags);
diff --git a/include/openssl/dsa.h b/include/openssl/dsa.h
index ce1346c2f0..0c5196d08a 100644
--- a/include/openssl/dsa.h
+++ b/include/openssl/dsa.h
@@ -169,9 +169,11 @@ DH *DSA_dup_DH(const DSA *r);
 # define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS       (EVP_PKEY_ALG_CTRL + 2)
 # define EVP_PKEY_CTRL_DSA_PARAMGEN_MD           (EVP_PKEY_ALG_CTRL + 3)
 
-void DSA_get0_pqg(const DSA *d, BIGNUM **p, BIGNUM **q, BIGNUM **g);
+void DSA_get0_pqg(const DSA *d,
+                  const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
 int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
-void DSA_get0_key(const DSA *d, BIGNUM **pub_key, BIGNUM **priv_key);
+void DSA_get0_key(const DSA *d,
+                  const BIGNUM **pub_key, const BIGNUM **priv_key);
 int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
 void DSA_clear_flags(DSA *d, int flags);
 int DSA_test_flags(const DSA *d, int flags);
diff --git a/include/openssl/rsa.h b/include/openssl/rsa.h
index 4b82081d93..70d3755124 100644
--- a/include/openssl/rsa.h
+++ b/include/openssl/rsa.h
@@ -178,10 +178,12 @@ int RSA_security_bits(const RSA *rsa);
 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
 int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
-void RSA_get0_key(const RSA *r, BIGNUM **n, BIGNUM **e, BIGNUM **d);
-void RSA_get0_factors(const RSA *r, BIGNUM **p, BIGNUM **q);
+void RSA_get0_key(const RSA *r,
+                  const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
+void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
 void RSA_get0_crt_params(const RSA *r,
-                         BIGNUM **dmp1, BIGNUM **dmq1, BIGNUM **iqmp);
+                         const BIGNUM **dmp1, const BIGNUM **dmq1,
+                         const BIGNUM **iqmp);
 void RSA_clear_flags(RSA *r, int flags);
 int RSA_test_flags(const RSA *r, int flags);
 void RSA_set_flags(RSA *r, int flags);