+{
+ return &sha1_md;
+}
+
+static int init224(EVP_MD_CTX *ctx)
+{
+ return SHA224_Init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int update224(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ return SHA224_Update(EVP_MD_CTX_md_data(ctx), data, count);
+}
+
+static int final224(EVP_MD_CTX *ctx, unsigned char *md)
+{
+ return SHA224_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static int init256(EVP_MD_CTX *ctx)
+{
+ return SHA256_Init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int update256(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ return SHA256_Update(EVP_MD_CTX_md_data(ctx), data, count);
+}
+
+static int final256(EVP_MD_CTX *ctx, unsigned char *md)
+{
+ return SHA256_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static const EVP_MD sha224_md = {
+ NID_sha224,
+ NID_sha224WithRSAEncryption,
+ SHA224_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init224,
+ update224,
+ final224,
+ NULL,
+ NULL,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA256_CTX),
+};
+
+const EVP_MD *EVP_sha224(void)
+{
+ return &sha224_md;
+}
+
+static const EVP_MD sha256_md = {
+ NID_sha256,
+ NID_sha256WithRSAEncryption,
+ SHA256_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init256,
+ update256,
+ final256,
+ NULL,
+ NULL,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA256_CTX),
+};
+
+const EVP_MD *EVP_sha256(void)
+{
+ return &sha256_md;
+}
+
+static int init512_224(EVP_MD_CTX *ctx)
+{
+ return sha512_224_init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int init512_256(EVP_MD_CTX *ctx)
+{
+ return sha512_256_init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int init384(EVP_MD_CTX *ctx)
+{
+ return SHA384_Init(EVP_MD_CTX_md_data(ctx));
+}
+
+static int update384(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ return SHA384_Update(EVP_MD_CTX_md_data(ctx), data, count);
+}
+
+static int final384(EVP_MD_CTX *ctx, unsigned char *md)
+{
+ return SHA384_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static int init512(EVP_MD_CTX *ctx)
+{
+ return SHA512_Init(EVP_MD_CTX_md_data(ctx));
+}
+
+/* See comment in SHA224/256 section */
+static int update512(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ return SHA512_Update(EVP_MD_CTX_md_data(ctx), data, count);
+}
+
+static int final512(EVP_MD_CTX *ctx, unsigned char *md)
+{
+ return SHA512_Final(md, EVP_MD_CTX_md_data(ctx));
+}
+
+static const EVP_MD sha512_224_md = {
+ NID_sha512_224,
+ NID_sha512_224WithRSAEncryption,
+ SHA224_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init512_224,
+ update512,
+ final512,
+ NULL,
+ NULL,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha512_224(void)
+{
+ return &sha512_224_md;
+}
+
+static const EVP_MD sha512_256_md = {
+ NID_sha512_256,
+ NID_sha512_256WithRSAEncryption,
+ SHA256_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init512_256,
+ update512,
+ final512,
+ NULL,
+ NULL,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha512_256(void)
+{
+ return &sha512_256_md;
+}
+
+static const EVP_MD sha384_md = {
+ NID_sha384,
+ NID_sha384WithRSAEncryption,
+ SHA384_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init384,
+ update384,
+ final384,
+ NULL,
+ NULL,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha384(void)
+{
+ return &sha384_md;
+}
+
+static const EVP_MD sha512_md = {
+ NID_sha512,
+ NID_sha512WithRSAEncryption,
+ SHA512_DIGEST_LENGTH,
+ EVP_MD_FLAG_DIGALGID_ABSENT,
+ init512,
+ update512,
+ final512,
+ NULL,
+ NULL,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *) + sizeof(SHA512_CTX),
+};
+
+const EVP_MD *EVP_sha512(void)
+{
+ return &sha512_md;
+}