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authorRichard Levitte <levitte@openssl.org>2015-11-27 14:02:12 +0100
committerRichard Levitte <levitte@openssl.org>2015-12-07 17:39:23 +0100
commit6e59a892db781658c050e5217127c4147c116ac9 (patch)
treeeec9e79e1c71f9c2897f49b29084bf42a66e96db /crypto/asn1/a_sign.c
parent9b6c00707eae2cbce79479f4b1a5dc11019abca0 (diff)
Adjust all accesses to EVP_MD_CTX to use accessor functions.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'crypto/asn1/a_sign.c')
-rw-r--r--crypto/asn1/a_sign.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/crypto/asn1/a_sign.c b/crypto/asn1/a_sign.c
index 18923b153e..a3abdc47fc 100644
--- a/crypto/asn1/a_sign.c
+++ b/crypto/asn1/a_sign.c
@@ -131,12 +131,15 @@ int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
const EVP_MD *type)
{
- EVP_MD_CTX ctx;
+ EVP_MD_CTX *ctx = EVP_MD_CTX_create();
unsigned char *p, *buf_in = NULL, *buf_out = NULL;
int i, inl = 0, outl = 0, outll = 0;
X509_ALGOR *a;
- EVP_MD_CTX_init(&ctx);
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
for (i = 0; i < 2; i++) {
if (i == 0)
a = algor1;
@@ -182,9 +185,9 @@ int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
p = buf_in;
i2d(data, &p);
- if (!EVP_SignInit_ex(&ctx, type, NULL)
- || !EVP_SignUpdate(&ctx, (unsigned char *)buf_in, inl)
- || !EVP_SignFinal(&ctx, (unsigned char *)buf_out,
+ if (!EVP_SignInit_ex(ctx, type, NULL)
+ || !EVP_SignUpdate(ctx, (unsigned char *)buf_in, inl)
+ || !EVP_SignFinal(ctx, (unsigned char *)buf_out,
(unsigned int *)&outl, pkey)) {
outl = 0;
ASN1err(ASN1_F_ASN1_SIGN, ERR_R_EVP_LIB);
@@ -201,7 +204,7 @@ int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
err:
- EVP_MD_CTX_cleanup(&ctx);
+ EVP_MD_CTX_destroy(ctx);
OPENSSL_clear_free((char *)buf_in, (unsigned int)inl);
OPENSSL_clear_free((char *)buf_out, outll);
return (outl);
@@ -213,13 +216,17 @@ int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1,
X509_ALGOR *algor2, ASN1_BIT_STRING *signature, void *asn,
EVP_PKEY *pkey, const EVP_MD *type)
{
- EVP_MD_CTX ctx;
- EVP_MD_CTX_init(&ctx);
- if (!EVP_DigestSignInit(&ctx, NULL, type, NULL, pkey)) {
- EVP_MD_CTX_cleanup(&ctx);
+ EVP_MD_CTX *ctx = EVP_MD_CTX_create();
+
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!EVP_DigestSignInit(ctx, NULL, type, NULL, pkey)) {
+ EVP_MD_CTX_destroy(ctx);
return 0;
}
- return ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, &ctx);
+ return ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, ctx);
}
int ASN1_item_sign_ctx(const ASN1_ITEM *it,
@@ -234,7 +241,7 @@ int ASN1_item_sign_ctx(const ASN1_ITEM *it,
int rv;
type = EVP_MD_CTX_md(ctx);
- pkey = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
+ pkey = EVP_PKEY_CTX_get0_pkey(EVP_MD_CTX_pkey_ctx(ctx));
if (!type || !pkey) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_CONTEXT_NOT_INITIALISED);
@@ -307,7 +314,7 @@ int ASN1_item_sign_ctx(const ASN1_ITEM *it,
signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
err:
- EVP_MD_CTX_cleanup(ctx);
+ EVP_MD_CTX_destroy(ctx);
OPENSSL_clear_free((char *)buf_in, (unsigned int)inl);
OPENSSL_clear_free((char *)buf_out, outll);
return (outl);