diff --git a/include/mbedtls/compat-2.x.h b/include/mbedtls/compat-2.x.h
new file mode 100644
index 0000000..fe7aa16
--- /dev/null
+++ b/include/mbedtls/compat-2.x.h
@@ -0,0 +1,69 @@
+/**
+ * \file compat-2.x.h
+ *
+ * \brief Compatibility definitions
+ *
+ * \deprecated Use the new names directly instead
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if ! defined(MBEDTLS_DEPRECATED_REMOVED)
+
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+#warning "Including compat-2.x.h is deprecated"
+#endif
+
+#ifndef MBEDTLS_COMPAT2X_H
+#define MBEDTLS_COMPAT2X_H
+
+/*
+ * Macros for renamed functions
+ */
+#define mbedtls_ctr_drbg_update_ret   mbedtls_ctr_drbg_update
+#define mbedtls_hmac_drbg_update_ret  mbedtls_hmac_drbg_update
+#define mbedtls_md2_starts_ret        mbedtls_md2_starts
+#define mbedtls_md2_update_ret        mbedtls_md2_update
+#define mbedtls_md2_finish_ret        mbedtls_md2_finish
+#define mbedtls_md2_ret               mbedtls_md2
+#define mbedtls_md4_starts_ret        mbedtls_md4_starts
+#define mbedtls_md4_update_ret        mbedtls_md4_update
+#define mbedtls_md4_finish_ret        mbedtls_md4_finish
+#define mbedtls_md4_ret               mbedtls_md4
+#define mbedtls_md5_starts_ret        mbedtls_md5_starts
+#define mbedtls_md5_update_ret        mbedtls_md5_update
+#define mbedtls_md5_finish_ret        mbedtls_md5_finish
+#define mbedtls_md5_ret               mbedtls_md5
+#define mbedtls_ripemd160_starts_ret  mbedtls_ripemd160_starts
+#define mbedtls_ripemd160_update_ret  mbedtls_ripemd160_update
+#define mbedtls_ripemd160_finish_ret  mbedtls_ripemd160_finish
+#define mbedtls_ripemd160_ret         mbedtls_ripemd160
+#define mbedtls_sha1_starts_ret       mbedtls_sha1_starts
+#define mbedtls_sha1_update_ret       mbedtls_sha1_update
+#define mbedtls_sha1_finish_ret       mbedtls_sha1_finish
+#define mbedtls_sha1_ret              mbedtls_sha1
+#define mbedtls_sha256_starts_ret     mbedtls_sha256_starts
+#define mbedtls_sha256_update_ret     mbedtls_sha256_update
+#define mbedtls_sha256_finish_ret     mbedtls_sha256_finish
+#define mbedtls_sha256_ret            mbedtls_sha256
+#define mbedtls_sha512_starts_ret     mbedtls_sha512_starts
+#define mbedtls_sha512_update_ret     mbedtls_sha512_update
+#define mbedtls_sha512_finish_ret     mbedtls_sha512_finish
+#define mbedtls_sha512_ret            mbedtls_sha512
+
+#endif /* MBEDTLS_COMPAT2X_H */
+#endif /* MBEDTLS_DEPRECATED_REMOVED */
diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index 0f2c551..d7a0c7e 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -462,9 +462,9 @@
  *                     #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT.
  * \return             An error from the underlying AES cipher on failure.
  */
-int mbedtls_ctr_drbg_update_ret( mbedtls_ctr_drbg_context *ctx,
-                                 const unsigned char *additional,
-                                 size_t add_len );
+int mbedtls_ctr_drbg_update( mbedtls_ctr_drbg_context *ctx,
+                             const unsigned char *additional,
+                             size_t add_len );
 
 /**
  * \brief   This function updates a CTR_DRBG instance with additional
diff --git a/include/mbedtls/hmac_drbg.h b/include/mbedtls/hmac_drbg.h
index 1ab3422..3f3d630 100644
--- a/include/mbedtls/hmac_drbg.h
+++ b/include/mbedtls/hmac_drbg.h
@@ -294,8 +294,8 @@
  * \return              \c 0 on success, or an error from the underlying
  *                      hash calculation.
  */
-int mbedtls_hmac_drbg_update_ret( mbedtls_hmac_drbg_context *ctx,
-                       const unsigned char *additional, size_t add_len );
+int mbedtls_hmac_drbg_update( mbedtls_hmac_drbg_context *ctx,
+                              const unsigned char *additional, size_t add_len );
 
 /**
  * \brief               This function reseeds the HMAC_DRBG context, that is
diff --git a/include/mbedtls/md2.h b/include/mbedtls/md2.h
index 950afa2..2ad31cf 100644
--- a/include/mbedtls/md2.h
+++ b/include/mbedtls/md2.h
@@ -114,7 +114,7 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_starts_ret( mbedtls_md2_context *ctx );
+int mbedtls_md2_starts( mbedtls_md2_context *ctx );
 
 /**
  * \brief          MD2 process buffer
@@ -130,9 +130,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_update_ret( mbedtls_md2_context *ctx,
-                            const unsigned char *input,
-                            size_t ilen );
+int mbedtls_md2_update( mbedtls_md2_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen );
 
 /**
  * \brief          MD2 final digest
@@ -147,8 +147,8 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_finish_ret( mbedtls_md2_context *ctx,
-                            unsigned char output[16] );
+int mbedtls_md2_finish( mbedtls_md2_context *ctx,
+                        unsigned char output[16] );
 
 /**
  * \brief          MD2 process data block (internal use only)
@@ -176,9 +176,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md2_ret( const unsigned char *input,
-                     size_t ilen,
-                     unsigned char output[16] );
+int mbedtls_md2( const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[16] );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/md4.h b/include/mbedtls/md4.h
index f9e3987..6586963 100644
--- a/include/mbedtls/md4.h
+++ b/include/mbedtls/md4.h
@@ -113,7 +113,7 @@
  *                 constitutes a security risk. We recommend considering
  *                 stronger message digests instead.
  */
-int mbedtls_md4_starts_ret( mbedtls_md4_context *ctx );
+int mbedtls_md4_starts( mbedtls_md4_context *ctx );
 
 /**
  * \brief          MD4 process buffer
@@ -129,9 +129,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md4_update_ret( mbedtls_md4_context *ctx,
-                            const unsigned char *input,
-                            size_t ilen );
+int mbedtls_md4_update( mbedtls_md4_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen );
 
 /**
  * \brief          MD4 final digest
@@ -146,8 +146,8 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md4_finish_ret( mbedtls_md4_context *ctx,
-                            unsigned char output[16] );
+int mbedtls_md4_finish( mbedtls_md4_context *ctx,
+                        unsigned char output[16] );
 
 /**
  * \brief          MD4 process data block (internal use only)
@@ -179,9 +179,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md4_ret( const unsigned char *input,
-                     size_t ilen,
-                     unsigned char output[16] );
+int mbedtls_md4( const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[16] );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/md5.h b/include/mbedtls/md5.h
index 71a41dc..3691609 100644
--- a/include/mbedtls/md5.h
+++ b/include/mbedtls/md5.h
@@ -113,7 +113,7 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md5_starts_ret( mbedtls_md5_context *ctx );
+int mbedtls_md5_starts( mbedtls_md5_context *ctx );
 
 /**
  * \brief          MD5 process buffer
@@ -129,9 +129,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md5_update_ret( mbedtls_md5_context *ctx,
-                            const unsigned char *input,
-                            size_t ilen );
+int mbedtls_md5_update( mbedtls_md5_context *ctx,
+                        const unsigned char *input,
+                        size_t ilen );
 
 /**
  * \brief          MD5 final digest
@@ -146,8 +146,8 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md5_finish_ret( mbedtls_md5_context *ctx,
-                            unsigned char output[16] );
+int mbedtls_md5_finish( mbedtls_md5_context *ctx,
+                        unsigned char output[16] );
 
 /**
  * \brief          MD5 process data block (internal use only)
@@ -179,9 +179,9 @@
  *                 stronger message digests instead.
  *
  */
-int mbedtls_md5_ret( const unsigned char *input,
-                     size_t ilen,
-                     unsigned char output[16] );
+int mbedtls_md5( const unsigned char *input,
+                 size_t ilen,
+                 unsigned char output[16] );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/ripemd160.h b/include/mbedtls/ripemd160.h
index 1c72d60..963cc94 100644
--- a/include/mbedtls/ripemd160.h
+++ b/include/mbedtls/ripemd160.h
@@ -84,7 +84,7 @@
  *
  * \return         0 if successful
  */
-int mbedtls_ripemd160_starts_ret( mbedtls_ripemd160_context *ctx );
+int mbedtls_ripemd160_starts( mbedtls_ripemd160_context *ctx );
 
 /**
  * \brief          RIPEMD-160 process buffer
@@ -95,9 +95,9 @@
  *
  * \return         0 if successful
  */
-int mbedtls_ripemd160_update_ret( mbedtls_ripemd160_context *ctx,
-                                  const unsigned char *input,
-                                  size_t ilen );
+int mbedtls_ripemd160_update( mbedtls_ripemd160_context *ctx,
+                              const unsigned char *input,
+                              size_t ilen );
 
 /**
  * \brief          RIPEMD-160 final digest
@@ -107,8 +107,8 @@
  *
  * \return         0 if successful
  */
-int mbedtls_ripemd160_finish_ret( mbedtls_ripemd160_context *ctx,
-                                  unsigned char output[20] );
+int mbedtls_ripemd160_finish( mbedtls_ripemd160_context *ctx,
+                              unsigned char output[20] );
 
 /**
  * \brief          RIPEMD-160 process data block (internal use only)
@@ -130,9 +130,9 @@
  *
  * \return         0 if successful
  */
-int mbedtls_ripemd160_ret( const unsigned char *input,
-                           size_t ilen,
-                           unsigned char output[20] );
+int mbedtls_ripemd160( const unsigned char *input,
+                       size_t ilen,
+                       unsigned char output[20] );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/sha1.h b/include/mbedtls/sha1.h
index 56ff948..1cb8741 100644
--- a/include/mbedtls/sha1.h
+++ b/include/mbedtls/sha1.h
@@ -123,7 +123,7 @@
  * \return         A negative error code on failure.
  *
  */
-int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx );
+int mbedtls_sha1_starts( mbedtls_sha1_context *ctx );
 
 /**
  * \brief          This function feeds an input buffer into an ongoing SHA-1
@@ -142,9 +142,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx,
-                             const unsigned char *input,
-                             size_t ilen );
+int mbedtls_sha1_update( mbedtls_sha1_context *ctx,
+                         const unsigned char *input,
+                         size_t ilen );
 
 /**
  * \brief          This function finishes the SHA-1 operation, and writes
@@ -162,8 +162,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx,
-                             unsigned char output[20] );
+int mbedtls_sha1_finish( mbedtls_sha1_context *ctx,
+                         unsigned char output[20] );
 
 /**
  * \brief          SHA-1 process data block (internal use only).
@@ -206,9 +206,9 @@
  * \return         A negative error code on failure.
  *
  */
-int mbedtls_sha1_ret( const unsigned char *input,
-                      size_t ilen,
-                      unsigned char output[20] );
+int mbedtls_sha1( const unsigned char *input,
+                  size_t ilen,
+                  unsigned char output[20] );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 22c2c7d..97e642c 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -49,7 +49,7 @@
  *
  *                 The structure is used both for SHA-256 and for SHA-224
  *                 checksum calculations. The choice between these two is
- *                 made in the call to mbedtls_sha256_starts_ret().
+ *                 made in the call to mbedtls_sha256_starts().
  */
 typedef struct mbedtls_sha256_context
 {
@@ -101,7 +101,7 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 );
+int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 );
 
 /**
  * \brief          This function feeds an input buffer into an ongoing
@@ -116,9 +116,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
-                               const unsigned char *input,
-                               size_t ilen );
+int mbedtls_sha256_update( mbedtls_sha256_context *ctx,
+                           const unsigned char *input,
+                           size_t ilen );
 
 /**
  * \brief          This function finishes the SHA-256 operation, and writes
@@ -133,8 +133,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
-                               unsigned char *output );
+int mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
+                           unsigned char *output );
 
 /**
  * \brief          This function processes a single data block within
@@ -170,10 +170,10 @@
  * \param is224    Determines which function to use. This must be
  *                 either \c 0 for SHA-256, or \c 1 for SHA-224.
  */
-int mbedtls_sha256_ret( const unsigned char *input,
-                        size_t ilen,
-                        unsigned char *output,
-                        int is224 );
+int mbedtls_sha256( const unsigned char *input,
+                    size_t ilen,
+                    unsigned char *output,
+                    int is224 );
 
 #if defined(MBEDTLS_SELF_TEST)
 
diff --git a/include/mbedtls/sha512.h b/include/mbedtls/sha512.h
index 04222f4..9fe37c1 100644
--- a/include/mbedtls/sha512.h
+++ b/include/mbedtls/sha512.h
@@ -48,7 +48,7 @@
  *
  *                 The structure is used both for SHA-384 and for SHA-512
  *                 checksum calculations. The choice between these two is
- *                 made in the call to mbedtls_sha512_starts_ret().
+ *                 made in the call to mbedtls_sha512_starts().
  */
 typedef struct mbedtls_sha512_context
 {
@@ -108,7 +108,7 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 );
+int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 );
 
 /**
  * \brief          This function feeds an input buffer into an ongoing
@@ -123,9 +123,9 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
-                    const unsigned char *input,
-                    size_t ilen );
+int mbedtls_sha512_update( mbedtls_sha512_context *ctx,
+                           const unsigned char *input,
+                           size_t ilen );
 
 /**
  * \brief          This function finishes the SHA-512 operation, and writes
@@ -140,8 +140,8 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
-                               unsigned char *output );
+int mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
+                           unsigned char *output );
 
 /**
  * \brief          This function processes a single data block within
@@ -184,10 +184,10 @@
  * \return         \c 0 on success.
  * \return         A negative error code on failure.
  */
-int mbedtls_sha512_ret( const unsigned char *input,
-                        size_t ilen,
-                        unsigned char *output,
-                        int is384 );
+int mbedtls_sha512( const unsigned char *input,
+                    size_t ilen,
+                    unsigned char *output,
+                    int is384 );
 
 #if defined(MBEDTLS_SELF_TEST)