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authorGeoff Thorpe <geoff@openssl.org>2001-08-25 17:24:21 +0000
committerGeoff Thorpe <geoff@openssl.org>2001-08-25 17:24:21 +0000
commit5cbc2e8bc187058e2ec2f17f53c3429c16dbc0d8 (patch)
tree0a50486525b7a160cf7bc1cbccdb9fe76d295aaa /crypto/dsa
parente7cf7fcd216e8680200b3e3f9feb112f8c5952f3 (diff)
Give DH, DSA, and RSA functions to "up" their reference counts. Otherwise,
dependant code has to directly increment the "references" value of each such structure using the corresponding lock. Apart from code duplication, this provided no "REF_CHECK/REF_PRINT" checking and violated encapsulation.
Diffstat (limited to 'crypto/dsa')
-rw-r--r--crypto/dsa/dsa.h4
-rw-r--r--crypto/dsa/dsa_lib.c16
2 files changed, 19 insertions, 1 deletions
diff --git a/crypto/dsa/dsa.h b/crypto/dsa/dsa.h
index 58cf7b5c76..7fc8fd303b 100644
--- a/crypto/dsa/dsa.h
+++ b/crypto/dsa/dsa.h
@@ -177,6 +177,9 @@ DSA * DSA_new_method(DSA_METHOD *meth);
#else
DSA * DSA_new_method(struct engine_st *engine);
#endif
+void DSA_free (DSA *r);
+/* "up" the DSA object's reference count */
+int DSA_up(DSA *r);
int DSA_size(const DSA *);
/* next 4 return -1 on error */
int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
@@ -184,7 +187,6 @@ int DSA_sign(int type,const unsigned char *dgst,int dlen,
unsigned char *sig, unsigned int *siglen, DSA *dsa);
int DSA_verify(int type,const unsigned char *dgst,int dgst_len,
const unsigned char *sigbuf, int siglen, DSA *dsa);
-void DSA_free (DSA *r);
int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
int DSA_set_ex_data(DSA *d, int idx, void *arg);
diff --git a/crypto/dsa/dsa_lib.c b/crypto/dsa/dsa_lib.c
index 5855568741..98878dfaa3 100644
--- a/crypto/dsa/dsa_lib.c
+++ b/crypto/dsa/dsa_lib.c
@@ -228,6 +228,22 @@ void DSA_free(DSA *r)
OPENSSL_free(r);
}
+int DSA_up(DSA *r)
+ {
+ int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DSA);
+#ifdef REF_PRINT
+ REF_PRINT("DSA",r);
+#endif
+#ifdef REF_CHECK
+ if (i < 2)
+ {
+ fprintf(stderr, "DSA_up, bad reference count\n");
+ abort();
+ }
+#endif
+ return ((i > 1) ? 1 : 0);
+ }
+
int DSA_size(const DSA *r)
{
int ret,i;