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Add SM2 Z value computation support for more APIs

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Zhi Guan
2018-01-25 23:57:39 +08:00
parent 32c343fc06
commit 342603d169
3 changed files with 44 additions and 0 deletions
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12
crypto/asn1/a_sign.c
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@@ -21,6 +21,9 @@
#include <openssl/x509.h>
#include <openssl/objects.h>
#include <openssl/buffer.h>
#ifndef OPENSSL_NO_SM2
# include <openssl/sm2.h>
#endif
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
@@ -205,6 +208,15 @@ int ASN1_item_sign_ctx(const ASN1_ITEM *it,
goto err;
}
#ifndef OPENSSL_NO_SM2
if (OBJ_obj2nid(algor1->algorithm) == NID_sm2sign_with_sm3) {
if (!EVP_PKEY_CTX_set_ec_scheme(EVP_MD_CTX_pkey_ctx(ctx), NID_sm_scheme)) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EC_LIB);
return 0;
}
}
#endif
if (!EVP_DigestSignUpdate(ctx, buf_in, inl)
|| !EVP_DigestSignFinal(ctx, buf_out, &outl)) {
outl = 0;