/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
case EVP_CIPH_CCM_MODE:
case EVP_CIPH_XTS_MODE:
case EVP_CIPH_OCB_MODE:
- ret = -1;
+ ret = -2;
break;
default:
}
} else
ret = -1;
- return (ret);
+ if (ret <= 0)
+ EVPerr(EVP_F_EVP_CIPHER_PARAM_TO_ASN1, ret == -2 ?
+ ASN1_R_UNSUPPORTED_CIPHER :
+ EVP_R_CIPHER_PARAMETER_ERROR);
+ if (ret < -1)
+ ret = -1;
+ return ret;
}
int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
case EVP_CIPH_CCM_MODE:
case EVP_CIPH_XTS_MODE:
case EVP_CIPH_OCB_MODE:
- ret = -1;
+ ret = -2;
break;
default:
}
} else
ret = -1;
- return (ret);
+ if (ret <= 0)
+ EVPerr(EVP_F_EVP_CIPHER_ASN1_TO_PARAM, ret == -2 ?
+ EVP_R_UNSUPPORTED_CIPHER :
+ EVP_R_CIPHER_PARAMETER_ERROR);
+ if (ret < -1)
+ ret = -1;
+ return ret;
}
int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
OPENSSL_assert(l <= sizeof(c->iv));
i = ASN1_TYPE_get_octetstring(type, c->oiv, l);
if (i != (int)l)
- return (-1);
+ return -1;
else if (i > 0)
memcpy(c->iv, c->oiv, l);
}
- return (i);
+ return i;
}
int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
OPENSSL_assert(j <= sizeof(c->iv));
i = ASN1_TYPE_set_octetstring(type, c->oiv, j);
}
- return (i);
+ return i;
}
/* Convert the various cipher NIDs and dummies to a proper OID NID */
}
unsigned long EVP_MD_meth_get_flags(const EVP_MD *md)
{
- return md->block_size;
+ return md->flags;
}
int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx)
{
return ctx->pctx;
}
+void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx)
+{
+ /*
+ * it's reasonable to set NULL pctx (a.k.a clear the ctx->pctx), so
+ * we have to deal with the cleanup job here.
+ */
+ if (!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX))
+ EVP_PKEY_CTX_free(ctx->pctx);
+
+ ctx->pctx = pctx;
+
+ if (pctx != NULL) {
+ /* make sure pctx is not freed when destroying EVP_MD_CTX */
+ EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX);
+ } else {
+ EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX);
+ }
+}
+
void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx)
{
return ctx->md_data;
{
return (ctx->flags & flags);
}
+
+int EVP_str2ctrl(int (*cb)(void *ctx, int cmd, void *buf, size_t buflen),
+ void *ctx, int cmd, const char *value)
+{
+ size_t len;
+
+ len = strlen(value);
+ if (len > INT_MAX)
+ return -1;
+ return cb(ctx, cmd, (void *)value, len);
+}
+
+int EVP_hex2ctrl(int (*cb)(void *ctx, int cmd, void *buf, size_t buflen),
+ void *ctx, int cmd, const char *hex)
+{
+ unsigned char *bin;
+ long binlen;
+ int rv = -1;
+
+ bin = OPENSSL_hexstr2buf(hex, &binlen);
+ if (bin == NULL)
+ return 0;
+ if (binlen <= INT_MAX)
+ rv = cb(ctx, cmd, bin, binlen);
+ OPENSSL_free(bin);
+ return rv;
+}