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--- examples/nettle-openssl.c.orig 2021-03-21 08:32:25 UTC
+++ examples/nettle-openssl.c
@@ -374,6 +374,7 @@ openssl_hash_update(void *p,
EVP_DigestUpdate(ctx->evp, src, length);
}
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
#define OPENSSL_HASH(NAME, name) \
static void \
openssl_##name##_init(void *p) \
@@ -404,6 +405,38 @@ nettle_openssl_##name = { \
openssl_hash_update, \
openssl_##name##_digest \
};
+#else
+#define OPENSSL_HASH(NAME, name) \
+static void \
+openssl_##name##_init(void *p) \
+{ \
+ struct openssl_hash_ctx *ctx = p; \
+ if ((ctx->evp = EVP_MD_CTX_create()) == NULL) \
+ return; \
+ \
+ EVP_DigestInit(ctx->evp, EVP_##name()); \
+} \
+ \
+static void \
+openssl_##name##_digest(void *p, \
+ size_t length, uint8_t *dst) \
+{ \
+ struct openssl_hash_ctx *ctx = p; \
+ assert(length == NAME##_DIGEST_LENGTH); \
+ \
+ EVP_DigestFinal(ctx->evp, dst, NULL); \
+ EVP_DigestInit(ctx->evp, EVP_##name()); \
+} \
+ \
+const struct nettle_hash \
+nettle_openssl_##name = { \
+ "openssl " #name, sizeof(struct openssl_hash_ctx), \
+ NAME##_DIGEST_LENGTH, NAME##_CBLOCK, \
+ openssl_##name##_init, \
+ openssl_hash_update, \
+ openssl_##name##_digest \
+};
+#endif
OPENSSL_HASH(MD5, md5)
OPENSSL_HASH(SHA, sha1)
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