diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index bb975cd..5a52d4a 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -44,7 +44,6 @@
     padlock.c
     pem.c
     pk.c
-    pk_wrap.c
     pkcs12.c
     pkcs5.c
     pkparse.c
diff --git a/library/Makefile b/library/Makefile
index 062846b..341888a 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -80,7 +80,7 @@
 		md4.o		md5.o				\
 		memory_buffer_alloc.o		nist_kw.o	\
 		oid.o		padlock.o	pem.o		\
-		pk.o		pk_wrap.o	pkcs12.o	\
+		pk.o		pkcs12.o			\
 		pkcs5.o		pkparse.o	pkwrite.o	\
 		platform.o	platform_util.o	poly1305.o	\
 		ripemd160.o	rsa_internal.o	rsa.o  		\
diff --git a/library/pk.c b/library/pk.c
index 9ded7e0..ceaf63f 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -50,6 +50,973 @@
 #define PK_VALIDATE( cond )        \
     MBEDTLS_INTERNAL_VALIDATE( cond )
 
+/* Raw contents of former pk_wrap.c file */
+#if defined(MBEDTLS_PK_C)
+#include "mbedtls/pk_internal.h"
+
+/* Even if RSA not activated, for the sake of RSA-alt */
+#include "mbedtls/rsa.h"
+
+#include <string.h>
+
+#if defined(MBEDTLS_USE_TINYCRYPT)
+#include "tinycrypt/ecc.h"
+#include "tinycrypt/ecc_dsa.h"
+#include "mbedtls/asn1.h"
+#include "mbedtls/asn1write.h"
+#endif /* MBEDTLS_USE_TINYCRYPT */
+
+#if defined(MBEDTLS_ECP_C)
+#include "mbedtls/ecp.h"
+#endif
+
+#if defined(MBEDTLS_ECDSA_C)
+#include "mbedtls/ecdsa.h"
+#endif
+
+#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT) || \
+    defined(MBEDTLS_USE_TINYCRYPT)
+#include "mbedtls/platform_util.h"
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdlib.h>
+#define mbedtls_calloc    calloc
+#define mbedtls_free       free
+#endif
+
+#include <limits.h>
+#include <stdint.h>
+
+#if defined(MBEDTLS_RSA_C)
+static int rsa_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_RSA ||
+            type == MBEDTLS_PK_RSASSA_PSS );
+}
+
+static size_t rsa_get_bitlen( const void *ctx )
+{
+    const mbedtls_rsa_context * rsa = (const mbedtls_rsa_context *) ctx;
+    return( 8 * mbedtls_rsa_get_len( rsa ) );
+}
+
+static int rsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   const unsigned char *sig, size_t sig_len )
+{
+    int ret;
+    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
+    size_t rsa_len = mbedtls_rsa_get_len( rsa );
+
+#if SIZE_MAX > UINT_MAX
+    if( md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len )
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+#endif /* SIZE_MAX > UINT_MAX */
+
+    if( sig_len < rsa_len )
+        return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
+
+    if( ( ret = mbedtls_rsa_pkcs1_verify( rsa, NULL, NULL,
+                                  MBEDTLS_RSA_PUBLIC, md_alg,
+                                  (unsigned int) hash_len, hash, sig ) ) != 0 )
+        return( ret );
+
+    /* The buffer contains a valid signature followed by extra data.
+     * We have a special error code for that so that so that callers can
+     * use mbedtls_pk_verify() to check "Does the buffer start with a
+     * valid signature?" and not just "Does the buffer contain a valid
+     * signature?". */
+    if( sig_len > rsa_len )
+        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
+
+    return( 0 );
+}
+
+static int rsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
+
+#if SIZE_MAX > UINT_MAX
+    if( md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len )
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+#endif /* SIZE_MAX > UINT_MAX */
+
+    *sig_len = mbedtls_rsa_get_len( rsa );
+
+    return( mbedtls_rsa_pkcs1_sign( rsa, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
+                md_alg, (unsigned int) hash_len, hash, sig ) );
+}
+
+static int rsa_decrypt_wrap( void *ctx,
+                    const unsigned char *input, size_t ilen,
+                    unsigned char *output, size_t *olen, size_t osize,
+                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
+
+    if( ilen != mbedtls_rsa_get_len( rsa ) )
+        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+
+    return( mbedtls_rsa_pkcs1_decrypt( rsa, f_rng, p_rng,
+                MBEDTLS_RSA_PRIVATE, olen, input, output, osize ) );
+}
+
+static int rsa_encrypt_wrap( void *ctx,
+                    const unsigned char *input, size_t ilen,
+                    unsigned char *output, size_t *olen, size_t osize,
+                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
+    *olen = mbedtls_rsa_get_len( rsa );
+
+    if( *olen > osize )
+        return( MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE );
+
+    return( mbedtls_rsa_pkcs1_encrypt( rsa, f_rng, p_rng, MBEDTLS_RSA_PUBLIC,
+                                       ilen, input, output ) );
+}
+
+static int rsa_check_pair_wrap( const void *pub, const void *prv )
+{
+    return( mbedtls_rsa_check_pub_priv( (const mbedtls_rsa_context *) pub,
+                                (const mbedtls_rsa_context *) prv ) );
+}
+
+static void *rsa_alloc_wrap( void )
+{
+    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_rsa_context ) );
+
+    if( ctx != NULL )
+        mbedtls_rsa_init( (mbedtls_rsa_context *) ctx, 0, 0 );
+
+    return( ctx );
+}
+
+static void rsa_free_wrap( void *ctx )
+{
+    mbedtls_rsa_free( (mbedtls_rsa_context *) ctx );
+    mbedtls_free( ctx );
+}
+
+static void rsa_debug( const void *ctx, mbedtls_pk_debug_item *items )
+{
+    items->type = MBEDTLS_PK_DEBUG_MPI;
+    items->name = "rsa.N";
+    items->value = &( ((mbedtls_rsa_context *) ctx)->N );
+
+    items++;
+
+    items->type = MBEDTLS_PK_DEBUG_MPI;
+    items->name = "rsa.E";
+    items->value = &( ((mbedtls_rsa_context *) ctx)->E );
+}
+
+const mbedtls_pk_info_t mbedtls_rsa_info = {
+    MBEDTLS_PK_RSA,
+    "RSA",
+    rsa_get_bitlen,
+    rsa_can_do,
+    rsa_verify_wrap,
+    rsa_sign_wrap,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    rsa_decrypt_wrap,
+    rsa_encrypt_wrap,
+    rsa_check_pair_wrap,
+    rsa_alloc_wrap,
+    rsa_free_wrap,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    rsa_debug,
+};
+#endif /* MBEDTLS_RSA_C */
+
+#if defined(MBEDTLS_ECP_C)
+/*
+ * Generic EC key
+ */
+static int eckey_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_ECKEY ||
+            type == MBEDTLS_PK_ECKEY_DH ||
+            type == MBEDTLS_PK_ECDSA );
+}
+
+static size_t eckey_get_bitlen( const void *ctx )
+{
+    return( ((mbedtls_ecp_keypair *) ctx)->grp.pbits );
+}
+
+#if defined(MBEDTLS_ECDSA_C)
+/* Forward declarations */
+static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len );
+
+static int ecdsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
+
+static int eckey_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len )
+{
+    int ret;
+    mbedtls_ecdsa_context ecdsa;
+
+    mbedtls_ecdsa_init( &ecdsa );
+
+    if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
+        ret = ecdsa_verify_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len );
+
+    mbedtls_ecdsa_free( &ecdsa );
+
+    return( ret );
+}
+
+static int eckey_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    int ret;
+    mbedtls_ecdsa_context ecdsa;
+
+    mbedtls_ecdsa_init( &ecdsa );
+
+    if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
+        ret = ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len,
+                               f_rng, p_rng );
+
+    mbedtls_ecdsa_free( &ecdsa );
+
+    return( ret );
+}
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+/* Forward declarations */
+static int ecdsa_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len,
+                       void *rs_ctx );
+
+static int ecdsa_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
+                   void *rs_ctx );
+
+/*
+ * Restart context for ECDSA operations with ECKEY context
+ *
+ * We need to store an actual ECDSA context, as we need to pass the same to
+ * the underlying ecdsa function, so we can't create it on the fly every time.
+ */
+typedef struct
+{
+    mbedtls_ecdsa_restart_ctx ecdsa_rs;
+    mbedtls_ecdsa_context ecdsa_ctx;
+} eckey_restart_ctx;
+
+static void *eckey_rs_alloc( void )
+{
+    eckey_restart_ctx *rs_ctx;
+
+    void *ctx = mbedtls_calloc( 1, sizeof( eckey_restart_ctx ) );
+
+    if( ctx != NULL )
+    {
+        rs_ctx = ctx;
+        mbedtls_ecdsa_restart_init( &rs_ctx->ecdsa_rs );
+        mbedtls_ecdsa_init( &rs_ctx->ecdsa_ctx );
+    }
+
+    return( ctx );
+}
+
+static void eckey_rs_free( void *ctx )
+{
+    eckey_restart_ctx *rs_ctx;
+
+    if( ctx == NULL)
+        return;
+
+    rs_ctx = ctx;
+    mbedtls_ecdsa_restart_free( &rs_ctx->ecdsa_rs );
+    mbedtls_ecdsa_free( &rs_ctx->ecdsa_ctx );
+
+    mbedtls_free( ctx );
+}
+
+static int eckey_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len,
+                       void *rs_ctx )
+{
+    int ret;
+    eckey_restart_ctx *rs = rs_ctx;
+
+    /* Should never happen */
+    if( rs == NULL )
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    /* set up our own sub-context if needed (that is, on first run) */
+    if( rs->ecdsa_ctx.grp.pbits == 0 )
+        MBEDTLS_MPI_CHK( mbedtls_ecdsa_from_keypair( &rs->ecdsa_ctx, ctx ) );
+
+    MBEDTLS_MPI_CHK( ecdsa_verify_rs_wrap( &rs->ecdsa_ctx,
+                                           md_alg, hash, hash_len,
+                                           sig, sig_len, &rs->ecdsa_rs ) );
+
+cleanup:
+    return( ret );
+}
+
+static int eckey_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
+                       void *rs_ctx )
+{
+    int ret;
+    eckey_restart_ctx *rs = rs_ctx;
+
+    /* Should never happen */
+    if( rs == NULL )
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    /* set up our own sub-context if needed (that is, on first run) */
+    if( rs->ecdsa_ctx.grp.pbits == 0 )
+        MBEDTLS_MPI_CHK( mbedtls_ecdsa_from_keypair( &rs->ecdsa_ctx, ctx ) );
+
+    MBEDTLS_MPI_CHK( ecdsa_sign_rs_wrap( &rs->ecdsa_ctx, md_alg,
+                                         hash, hash_len, sig, sig_len,
+                                         f_rng, p_rng, &rs->ecdsa_rs ) );
+
+cleanup:
+    return( ret );
+}
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+#endif /* MBEDTLS_ECDSA_C */
+
+static int eckey_check_pair( const void *pub, const void *prv )
+{
+    return( mbedtls_ecp_check_pub_priv( (const mbedtls_ecp_keypair *) pub,
+                                (const mbedtls_ecp_keypair *) prv ) );
+}
+
+static void *eckey_alloc_wrap( void )
+{
+    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecp_keypair ) );
+
+    if( ctx != NULL )
+        mbedtls_ecp_keypair_init( ctx );
+
+    return( ctx );
+}
+
+static void eckey_free_wrap( void *ctx )
+{
+    mbedtls_ecp_keypair_free( (mbedtls_ecp_keypair *) ctx );
+    mbedtls_free( ctx );
+}
+
+static void eckey_debug( const void *ctx, mbedtls_pk_debug_item *items )
+{
+    items->type = MBEDTLS_PK_DEBUG_ECP;
+    items->name = "eckey.Q";
+    items->value = &( ((mbedtls_ecp_keypair *) ctx)->Q );
+}
+
+const mbedtls_pk_info_t mbedtls_eckey_info = {
+    MBEDTLS_PK_ECKEY,
+    "EC",
+    eckey_get_bitlen,
+    eckey_can_do,
+#if defined(MBEDTLS_ECDSA_C)
+    eckey_verify_wrap,
+    eckey_sign_wrap,
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    eckey_verify_rs_wrap,
+    eckey_sign_rs_wrap,
+#endif
+#else /* MBEDTLS_ECDSA_C */
+    NULL,
+    NULL,
+#endif /* MBEDTLS_ECDSA_C */
+    NULL,
+    NULL,
+    eckey_check_pair,
+    eckey_alloc_wrap,
+    eckey_free_wrap,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    eckey_rs_alloc,
+    eckey_rs_free,
+#endif
+    eckey_debug,
+};
+
+/*
+ * EC key restricted to ECDH
+ */
+static int eckeydh_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_ECKEY ||
+            type == MBEDTLS_PK_ECKEY_DH );
+}
+
+const mbedtls_pk_info_t mbedtls_eckeydh_info = {
+    MBEDTLS_PK_ECKEY_DH,
+    "EC_DH",
+    eckey_get_bitlen,         /* Same underlying key structure */
+    eckeydh_can_do,
+    NULL,
+    NULL,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    NULL,
+    NULL,
+    eckey_check_pair,
+    eckey_alloc_wrap,       /* Same underlying key structure */
+    eckey_free_wrap,        /* Same underlying key structure */
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    eckey_debug,            /* Same underlying key structure */
+};
+#endif /* MBEDTLS_ECP_C */
+
+#if defined(MBEDTLS_USE_TINYCRYPT)
+
+/*
+ * An ASN.1 encoded signature is a sequence of two ASN.1 integers. Parse one of
+ * those integers and convert it to the fixed-length encoding.
+ */
+static int extract_ecdsa_sig_int( unsigned char **from, const unsigned char *end,
+                                  unsigned char *to, size_t to_len )
+{
+    int ret;
+    size_t unpadded_len, padding_len;
+
+    if( ( ret = mbedtls_asn1_get_tag( from, end, &unpadded_len,
+                                      MBEDTLS_ASN1_INTEGER ) ) != 0 )
+    {
+        return( ret );
+    }
+
+    while( unpadded_len > 0 && **from == 0x00 )
+    {
+        ( *from )++;
+        unpadded_len--;
+    }
+
+    if( unpadded_len > to_len || unpadded_len == 0 )
+        return( MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
+
+    padding_len = to_len - unpadded_len;
+    memset( to, 0x00, padding_len );
+    memcpy( to + padding_len, *from, unpadded_len );
+    ( *from ) += unpadded_len;
+
+    return( 0 );
+}
+
+/*
+ * Convert a signature from an ASN.1 sequence of two integers
+ * to a raw {r,s} buffer. Note: the provided sig buffer must be at least
+ * twice as big as int_size.
+ */
+static int extract_ecdsa_sig( unsigned char **p, const unsigned char *end,
+                              unsigned char *sig, size_t int_size )
+{
+    int ret;
+    size_t tmp_size;
+
+    if( ( ret = mbedtls_asn1_get_tag( p, end, &tmp_size,
+                MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
+        return( ret );
+
+    /* Extract r */
+    if( ( ret = extract_ecdsa_sig_int( p, end, sig, int_size ) ) != 0 )
+        return( ret );
+    /* Extract s */
+    if( ( ret = extract_ecdsa_sig_int( p, end, sig + int_size, int_size ) ) != 0 )
+        return( ret );
+
+    return( 0 );
+}
+
+static size_t uecc_eckey_get_bitlen( const void *ctx )
+{
+    (void) ctx;
+    return( (size_t) ( NUM_ECC_BYTES * 8 ) );
+}
+
+static int uecc_eckey_check_pair( const void *pub, const void *prv )
+{
+    const mbedtls_uecc_keypair *uecc_pub =
+        (const mbedtls_uecc_keypair *) pub;
+    const mbedtls_uecc_keypair *uecc_prv =
+        (const mbedtls_uecc_keypair *) prv;
+
+    if( memcmp( uecc_pub->public_key,
+                uecc_prv->public_key,
+                2 * NUM_ECC_BYTES ) == 0 )
+    {
+        return( 0 );
+    }
+
+    return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+}
+
+static int uecc_eckey_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_ECDSA ||
+            type == MBEDTLS_PK_ECKEY );
+}
+
+static int uecc_eckey_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len )
+{
+    int ret;
+    uint8_t signature[2*NUM_ECC_BYTES];
+    unsigned char *p;
+    const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
+    const mbedtls_uecc_keypair *keypair = (const mbedtls_uecc_keypair *) ctx;
+
+    ((void) md_alg);
+    p = (unsigned char*) sig;
+
+    ret = extract_ecdsa_sig( &p, sig + sig_len, signature, NUM_ECC_BYTES );
+    if( ret != 0 )
+        return( ret );
+
+    ret = uECC_verify( keypair->public_key, hash,
+                       (unsigned) hash_len, signature, uecc_curve );
+    if( ret == 0 )
+        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+
+    return( 0 );
+}
+
+/*
+ * Simultaneously convert and move raw MPI from the beginning of a buffer
+ * to an ASN.1 MPI at the end of the buffer.
+ * See also mbedtls_asn1_write_mpi().
+ *
+ * p: pointer to the end of the output buffer
+ * start: start of the output buffer, and also of the mpi to write at the end
+ * n_len: length of the mpi to read from start
+ *
+ * Warning:
+ * The total length of the output buffer must be smaller than 128 Bytes.
+ */
+static int asn1_write_mpibuf( unsigned char **p, unsigned char *start,
+                              size_t n_len )
+{
+    size_t len = 0;
+
+    if( (size_t)( *p - start ) < n_len )
+        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
+
+    len = n_len;
+    *p -= len;
+    memmove( *p, start, len );
+
+    /* ASN.1 DER encoding requires minimal length, so skip leading 0s.
+     * Neither r nor s should be 0, but as a failsafe measure, still detect
+     * that rather than overflowing the buffer in case of an error. */
+    while( len > 0 && **p == 0x00 )
+    {
+        ++(*p);
+        --len;
+    }
+
+    /* this is only reached if the signature was invalid */
+    if( len == 0 )
+        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+
+    /* if the msb is 1, ASN.1 requires that we prepend a 0.
+     * Neither r nor s can be 0, so we can assume len > 0 at all times. */
+    if( **p & 0x80 )
+    {
+        if( *p - start < 1 )
+            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
+
+        *--(*p) = 0x00;
+        len += 1;
+    }
+
+    /* The ASN.1 length encoding is just a single Byte containing the length,
+     * as we assume that the total buffer length is smaller than 128 Bytes. */
+    *--(*p) = len;
+    *--(*p) = MBEDTLS_ASN1_INTEGER;
+    len += 2;
+
+    return( (int) len );
+}
+
+/* Transcode signature from uECC format to ASN.1 sequence.
+ * See ecdsa_signature_to_asn1 in ecdsa.c, but with byte buffers instead of
+ * MPIs, and in-place.
+ *
+ * [in/out] sig: the signature pre- and post-transcoding
+ * [in/out] sig_len: signature length pre- and post-transcoding
+ * [int] buf_len: the available size the in/out buffer
+ *
+ * Warning: buf_len must be smaller than 128 Bytes.
+ */
+static int pk_ecdsa_sig_asn1_from_uecc( unsigned char *sig, size_t *sig_len,
+                                        size_t buf_len )
+{
+    int ret;
+    size_t len = 0;
+    const size_t rs_len = *sig_len / 2;
+    unsigned char *p = sig + buf_len;
+
+    MBEDTLS_ASN1_CHK_ADD( len, asn1_write_mpibuf( &p, sig + rs_len, rs_len ) );
+    MBEDTLS_ASN1_CHK_ADD( len, asn1_write_mpibuf( &p, sig, rs_len ) );
+
+    /* The ASN.1 length encoding is just a single Byte containing the length,
+     * as we assume that the total buffer length is smaller than 128 Bytes. */
+    *--p = len;
+    *--p = MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE;
+    len += 2;
+
+    memmove( sig, p, len );
+    *sig_len = len;
+
+    return( 0 );
+}
+
+static int uecc_eckey_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    const mbedtls_uecc_keypair *keypair = (const mbedtls_uecc_keypair *) ctx;
+    const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
+    int ret;
+
+    /*
+     * RFC-4492 page 20:
+     *
+     *     Ecdsa-Sig-Value ::= SEQUENCE {
+     *         r       INTEGER,
+     *         s       INTEGER
+     *     }
+     *
+     * Size is at most
+     *    1 (tag) + 1 (len) + 1 (initial 0) + NUM_ECC_BYTES for each of r and s,
+     *    twice that + 1 (tag) + 2 (len) for the sequence
+     *
+     * (The ASN.1 length encodings are all 1-Byte encodings because
+     *  the total size is smaller than 128 Bytes).
+     */
+     #define MAX_SECP256R1_ECDSA_SIG_LEN ( 3 + 2 * ( 3 + NUM_ECC_BYTES ) )
+
+    ret = uECC_sign( keypair->private_key, hash, hash_len, sig, uecc_curve );
+    /* TinyCrypt uses 0 to signal errors. */
+    if( ret == 0 )
+        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+
+    *sig_len = 2 * NUM_ECC_BYTES;
+
+    /* uECC owns its rng function pointer */
+    (void) f_rng;
+    (void) p_rng;
+    (void) md_alg;
+
+    return( pk_ecdsa_sig_asn1_from_uecc( sig, sig_len,
+                                         MAX_SECP256R1_ECDSA_SIG_LEN ) );
+
+    #undef MAX_SECP256R1_ECDSA_SIG_LEN
+}
+
+static void *uecc_eckey_alloc_wrap( void )
+{
+    return( mbedtls_calloc( 1, sizeof( mbedtls_uecc_keypair ) ) );
+}
+
+static void uecc_eckey_free_wrap( void *ctx )
+{
+    if( ctx == NULL )
+        return;
+
+    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_uecc_keypair ) );
+    mbedtls_free( ctx );
+}
+
+const mbedtls_pk_info_t mbedtls_uecc_eckey_info =
+                        MBEDTLS_PK_INFO( MBEDTLS_PK_INFO_ECKEY );
+#endif /* MBEDTLS_USE_TINYCRYPT */
+
+#if defined(MBEDTLS_ECDSA_C)
+static int ecdsa_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_ECDSA );
+}
+
+static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len )
+{
+    int ret;
+    ((void) md_alg);
+
+    ret = mbedtls_ecdsa_read_signature( (mbedtls_ecdsa_context *) ctx,
+                                hash, hash_len, sig, sig_len );
+
+    if( ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH )
+        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
+
+    return( ret );
+}
+
+static int ecdsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    return( mbedtls_ecdsa_write_signature( (mbedtls_ecdsa_context *) ctx,
+                md_alg, hash, hash_len, sig, sig_len, f_rng, p_rng ) );
+}
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+static int ecdsa_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                       const unsigned char *hash, size_t hash_len,
+                       const unsigned char *sig, size_t sig_len,
+                       void *rs_ctx )
+{
+    int ret;
+    ((void) md_alg);
+
+    ret = mbedtls_ecdsa_read_signature_restartable(
+            (mbedtls_ecdsa_context *) ctx,
+            hash, hash_len, sig, sig_len,
+            (mbedtls_ecdsa_restart_ctx *) rs_ctx );
+
+    if( ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH )
+        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
+
+    return( ret );
+}
+
+static int ecdsa_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
+                   void *rs_ctx )
+{
+    return( mbedtls_ecdsa_write_signature_restartable(
+                (mbedtls_ecdsa_context *) ctx,
+                md_alg, hash, hash_len, sig, sig_len, f_rng, p_rng,
+                (mbedtls_ecdsa_restart_ctx *) rs_ctx ) );
+
+}
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+static void *ecdsa_alloc_wrap( void )
+{
+    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecdsa_context ) );
+
+    if( ctx != NULL )
+        mbedtls_ecdsa_init( (mbedtls_ecdsa_context *) ctx );
+
+    return( ctx );
+}
+
+static void ecdsa_free_wrap( void *ctx )
+{
+    mbedtls_ecdsa_free( (mbedtls_ecdsa_context *) ctx );
+    mbedtls_free( ctx );
+}
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+static void *ecdsa_rs_alloc( void )
+{
+    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecdsa_restart_ctx ) );
+
+    if( ctx != NULL )
+        mbedtls_ecdsa_restart_init( ctx );
+
+    return( ctx );
+}
+
+static void ecdsa_rs_free( void *ctx )
+{
+    mbedtls_ecdsa_restart_free( ctx );
+    mbedtls_free( ctx );
+}
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+const mbedtls_pk_info_t mbedtls_ecdsa_info = {
+    MBEDTLS_PK_ECDSA,
+    "ECDSA",
+    eckey_get_bitlen,     /* Compatible key structures */
+    ecdsa_can_do,
+    ecdsa_verify_wrap,
+    ecdsa_sign_wrap,
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    ecdsa_verify_rs_wrap,
+    ecdsa_sign_rs_wrap,
+#endif
+    NULL,
+    NULL,
+    eckey_check_pair,   /* Compatible key structures */
+    ecdsa_alloc_wrap,
+    ecdsa_free_wrap,
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    ecdsa_rs_alloc,
+    ecdsa_rs_free,
+#endif
+    eckey_debug,        /* Compatible key structures */
+};
+#endif /* MBEDTLS_ECDSA_C */
+
+#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
+/*
+ * Support for alternative RSA-private implementations
+ */
+
+static int rsa_alt_can_do( mbedtls_pk_type_t type )
+{
+    return( type == MBEDTLS_PK_RSA );
+}
+
+static size_t rsa_alt_get_bitlen( const void *ctx )
+{
+    const mbedtls_rsa_alt_context *rsa_alt = (const mbedtls_rsa_alt_context *) ctx;
+
+    return( 8 * rsa_alt->key_len_func( rsa_alt->key ) );
+}
+
+static int rsa_alt_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
+                   const unsigned char *hash, size_t hash_len,
+                   unsigned char *sig, size_t *sig_len,
+                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    mbedtls_rsa_alt_context *rsa_alt = (mbedtls_rsa_alt_context *) ctx;
+
+#if SIZE_MAX > UINT_MAX
+    if( UINT_MAX < hash_len )
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+#endif /* SIZE_MAX > UINT_MAX */
+
+    *sig_len = rsa_alt->key_len_func( rsa_alt->key );
+
+    return( rsa_alt->sign_func( rsa_alt->key, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
+                md_alg, (unsigned int) hash_len, hash, sig ) );
+}
+
+static int rsa_alt_decrypt_wrap( void *ctx,
+                    const unsigned char *input, size_t ilen,
+                    unsigned char *output, size_t *olen, size_t osize,
+                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
+{
+    mbedtls_rsa_alt_context *rsa_alt = (mbedtls_rsa_alt_context *) ctx;
+
+    ((void) f_rng);
+    ((void) p_rng);
+
+    if( ilen != rsa_alt->key_len_func( rsa_alt->key ) )
+        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+
+    return( rsa_alt->decrypt_func( rsa_alt->key,
+                MBEDTLS_RSA_PRIVATE, olen, input, output, osize ) );
+}
+
+#if defined(MBEDTLS_RSA_C)
+static int rsa_alt_check_pair( const void *pub, const void *prv )
+{
+    unsigned char sig[MBEDTLS_MPI_MAX_SIZE];
+    unsigned char hash[32];
+    size_t sig_len = 0;
+    int ret;
+
+    if( rsa_alt_get_bitlen( prv ) != rsa_get_bitlen( pub ) )
+        return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
+
+    memset( hash, 0x2a, sizeof( hash ) );
+
+    if( ( ret = rsa_alt_sign_wrap( (void *) prv, MBEDTLS_MD_NONE,
+                                   hash, sizeof( hash ),
+                                   sig, &sig_len, NULL, NULL ) ) != 0 )
+    {
+        return( ret );
+    }
+
+    if( rsa_verify_wrap( (void *) pub, MBEDTLS_MD_NONE,
+                         hash, sizeof( hash ), sig, sig_len ) != 0 )
+    {
+        return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
+    }
+
+    return( 0 );
+}
+#endif /* MBEDTLS_RSA_C */
+
+static void *rsa_alt_alloc_wrap( void )
+{
+    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_rsa_alt_context ) );
+
+    if( ctx != NULL )
+        memset( ctx, 0, sizeof( mbedtls_rsa_alt_context ) );
+
+    return( ctx );
+}
+
+static void rsa_alt_free_wrap( void *ctx )
+{
+    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_rsa_alt_context ) );
+    mbedtls_free( ctx );
+}
+
+const mbedtls_pk_info_t mbedtls_rsa_alt_info = {
+    MBEDTLS_PK_RSA_ALT,
+    "RSA-alt",
+    rsa_alt_get_bitlen,
+    rsa_alt_can_do,
+    NULL,
+    rsa_alt_sign_wrap,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    rsa_alt_decrypt_wrap,
+    NULL,
+#if defined(MBEDTLS_RSA_C)
+    rsa_alt_check_pair,
+#else
+    NULL,
+#endif
+    rsa_alt_alloc_wrap,
+    rsa_alt_free_wrap,
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    NULL,
+    NULL,
+#endif
+    NULL,
+};
+
+#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
+
+#endif /* MBEDTLS_PK_C */
 /*
  * Access to members of the pk_info structure. These are meant to be replaced
  * by zero-runtime-cost accessors when a single PK type is hardcoded.
diff --git a/library/pk_wrap.c b/library/pk_wrap.c
deleted file mode 100644
index 7529212..0000000
--- a/library/pk_wrap.c
+++ /dev/null
@@ -1,993 +0,0 @@
-/*
- *  Public Key abstraction layer: wrapper functions
- *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- *  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.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
- */
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_PK_C)
-#include "mbedtls/pk_internal.h"
-
-/* Even if RSA not activated, for the sake of RSA-alt */
-#include "mbedtls/rsa.h"
-
-#include <string.h>
-
-#if defined(MBEDTLS_USE_TINYCRYPT)
-#include "tinycrypt/ecc.h"
-#include "tinycrypt/ecc_dsa.h"
-#include "mbedtls/asn1.h"
-#include "mbedtls/asn1write.h"
-#endif /* MBEDTLS_USE_TINYCRYPT */
-
-#if defined(MBEDTLS_ECP_C)
-#include "mbedtls/ecp.h"
-#endif
-
-#if defined(MBEDTLS_ECDSA_C)
-#include "mbedtls/ecdsa.h"
-#endif
-
-#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT) || \
-    defined(MBEDTLS_USE_TINYCRYPT)
-#include "mbedtls/platform_util.h"
-#endif
-
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
-
-#include <limits.h>
-#include <stdint.h>
-
-#if defined(MBEDTLS_RSA_C)
-static int rsa_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_RSA ||
-            type == MBEDTLS_PK_RSASSA_PSS );
-}
-
-static size_t rsa_get_bitlen( const void *ctx )
-{
-    const mbedtls_rsa_context * rsa = (const mbedtls_rsa_context *) ctx;
-    return( 8 * mbedtls_rsa_get_len( rsa ) );
-}
-
-static int rsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   const unsigned char *sig, size_t sig_len )
-{
-    int ret;
-    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
-    size_t rsa_len = mbedtls_rsa_get_len( rsa );
-
-#if SIZE_MAX > UINT_MAX
-    if( md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-#endif /* SIZE_MAX > UINT_MAX */
-
-    if( sig_len < rsa_len )
-        return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
-
-    if( ( ret = mbedtls_rsa_pkcs1_verify( rsa, NULL, NULL,
-                                  MBEDTLS_RSA_PUBLIC, md_alg,
-                                  (unsigned int) hash_len, hash, sig ) ) != 0 )
-        return( ret );
-
-    /* The buffer contains a valid signature followed by extra data.
-     * We have a special error code for that so that so that callers can
-     * use mbedtls_pk_verify() to check "Does the buffer start with a
-     * valid signature?" and not just "Does the buffer contain a valid
-     * signature?". */
-    if( sig_len > rsa_len )
-        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
-
-    return( 0 );
-}
-
-static int rsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
-
-#if SIZE_MAX > UINT_MAX
-    if( md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-#endif /* SIZE_MAX > UINT_MAX */
-
-    *sig_len = mbedtls_rsa_get_len( rsa );
-
-    return( mbedtls_rsa_pkcs1_sign( rsa, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
-                md_alg, (unsigned int) hash_len, hash, sig ) );
-}
-
-static int rsa_decrypt_wrap( void *ctx,
-                    const unsigned char *input, size_t ilen,
-                    unsigned char *output, size_t *olen, size_t osize,
-                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
-
-    if( ilen != mbedtls_rsa_get_len( rsa ) )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
-
-    return( mbedtls_rsa_pkcs1_decrypt( rsa, f_rng, p_rng,
-                MBEDTLS_RSA_PRIVATE, olen, input, output, osize ) );
-}
-
-static int rsa_encrypt_wrap( void *ctx,
-                    const unsigned char *input, size_t ilen,
-                    unsigned char *output, size_t *olen, size_t osize,
-                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    mbedtls_rsa_context * rsa = (mbedtls_rsa_context *) ctx;
-    *olen = mbedtls_rsa_get_len( rsa );
-
-    if( *olen > osize )
-        return( MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE );
-
-    return( mbedtls_rsa_pkcs1_encrypt( rsa, f_rng, p_rng, MBEDTLS_RSA_PUBLIC,
-                                       ilen, input, output ) );
-}
-
-static int rsa_check_pair_wrap( const void *pub, const void *prv )
-{
-    return( mbedtls_rsa_check_pub_priv( (const mbedtls_rsa_context *) pub,
-                                (const mbedtls_rsa_context *) prv ) );
-}
-
-static void *rsa_alloc_wrap( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_rsa_context ) );
-
-    if( ctx != NULL )
-        mbedtls_rsa_init( (mbedtls_rsa_context *) ctx, 0, 0 );
-
-    return( ctx );
-}
-
-static void rsa_free_wrap( void *ctx )
-{
-    mbedtls_rsa_free( (mbedtls_rsa_context *) ctx );
-    mbedtls_free( ctx );
-}
-
-static void rsa_debug( const void *ctx, mbedtls_pk_debug_item *items )
-{
-    items->type = MBEDTLS_PK_DEBUG_MPI;
-    items->name = "rsa.N";
-    items->value = &( ((mbedtls_rsa_context *) ctx)->N );
-
-    items++;
-
-    items->type = MBEDTLS_PK_DEBUG_MPI;
-    items->name = "rsa.E";
-    items->value = &( ((mbedtls_rsa_context *) ctx)->E );
-}
-
-const mbedtls_pk_info_t mbedtls_rsa_info = {
-    MBEDTLS_PK_RSA,
-    "RSA",
-    rsa_get_bitlen,
-    rsa_can_do,
-    rsa_verify_wrap,
-    rsa_sign_wrap,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    rsa_decrypt_wrap,
-    rsa_encrypt_wrap,
-    rsa_check_pair_wrap,
-    rsa_alloc_wrap,
-    rsa_free_wrap,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    rsa_debug,
-};
-#endif /* MBEDTLS_RSA_C */
-
-#if defined(MBEDTLS_ECP_C)
-/*
- * Generic EC key
- */
-static int eckey_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_ECKEY ||
-            type == MBEDTLS_PK_ECKEY_DH ||
-            type == MBEDTLS_PK_ECDSA );
-}
-
-static size_t eckey_get_bitlen( const void *ctx )
-{
-    return( ((mbedtls_ecp_keypair *) ctx)->grp.pbits );
-}
-
-#if defined(MBEDTLS_ECDSA_C)
-/* Forward declarations */
-static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len );
-
-static int ecdsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng );
-
-static int eckey_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len )
-{
-    int ret;
-    mbedtls_ecdsa_context ecdsa;
-
-    mbedtls_ecdsa_init( &ecdsa );
-
-    if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
-        ret = ecdsa_verify_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len );
-
-    mbedtls_ecdsa_free( &ecdsa );
-
-    return( ret );
-}
-
-static int eckey_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    int ret;
-    mbedtls_ecdsa_context ecdsa;
-
-    mbedtls_ecdsa_init( &ecdsa );
-
-    if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
-        ret = ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len,
-                               f_rng, p_rng );
-
-    mbedtls_ecdsa_free( &ecdsa );
-
-    return( ret );
-}
-
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-/* Forward declarations */
-static int ecdsa_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len,
-                       void *rs_ctx );
-
-static int ecdsa_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-                   void *rs_ctx );
-
-/*
- * Restart context for ECDSA operations with ECKEY context
- *
- * We need to store an actual ECDSA context, as we need to pass the same to
- * the underlying ecdsa function, so we can't create it on the fly every time.
- */
-typedef struct
-{
-    mbedtls_ecdsa_restart_ctx ecdsa_rs;
-    mbedtls_ecdsa_context ecdsa_ctx;
-} eckey_restart_ctx;
-
-static void *eckey_rs_alloc( void )
-{
-    eckey_restart_ctx *rs_ctx;
-
-    void *ctx = mbedtls_calloc( 1, sizeof( eckey_restart_ctx ) );
-
-    if( ctx != NULL )
-    {
-        rs_ctx = ctx;
-        mbedtls_ecdsa_restart_init( &rs_ctx->ecdsa_rs );
-        mbedtls_ecdsa_init( &rs_ctx->ecdsa_ctx );
-    }
-
-    return( ctx );
-}
-
-static void eckey_rs_free( void *ctx )
-{
-    eckey_restart_ctx *rs_ctx;
-
-    if( ctx == NULL)
-        return;
-
-    rs_ctx = ctx;
-    mbedtls_ecdsa_restart_free( &rs_ctx->ecdsa_rs );
-    mbedtls_ecdsa_free( &rs_ctx->ecdsa_ctx );
-
-    mbedtls_free( ctx );
-}
-
-static int eckey_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len,
-                       void *rs_ctx )
-{
-    int ret;
-    eckey_restart_ctx *rs = rs_ctx;
-
-    /* Should never happen */
-    if( rs == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    /* set up our own sub-context if needed (that is, on first run) */
-    if( rs->ecdsa_ctx.grp.pbits == 0 )
-        MBEDTLS_MPI_CHK( mbedtls_ecdsa_from_keypair( &rs->ecdsa_ctx, ctx ) );
-
-    MBEDTLS_MPI_CHK( ecdsa_verify_rs_wrap( &rs->ecdsa_ctx,
-                                           md_alg, hash, hash_len,
-                                           sig, sig_len, &rs->ecdsa_rs ) );
-
-cleanup:
-    return( ret );
-}
-
-static int eckey_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-                       void *rs_ctx )
-{
-    int ret;
-    eckey_restart_ctx *rs = rs_ctx;
-
-    /* Should never happen */
-    if( rs == NULL )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-
-    /* set up our own sub-context if needed (that is, on first run) */
-    if( rs->ecdsa_ctx.grp.pbits == 0 )
-        MBEDTLS_MPI_CHK( mbedtls_ecdsa_from_keypair( &rs->ecdsa_ctx, ctx ) );
-
-    MBEDTLS_MPI_CHK( ecdsa_sign_rs_wrap( &rs->ecdsa_ctx, md_alg,
-                                         hash, hash_len, sig, sig_len,
-                                         f_rng, p_rng, &rs->ecdsa_rs ) );
-
-cleanup:
-    return( ret );
-}
-#endif /* MBEDTLS_ECP_RESTARTABLE */
-#endif /* MBEDTLS_ECDSA_C */
-
-static int eckey_check_pair( const void *pub, const void *prv )
-{
-    return( mbedtls_ecp_check_pub_priv( (const mbedtls_ecp_keypair *) pub,
-                                (const mbedtls_ecp_keypair *) prv ) );
-}
-
-static void *eckey_alloc_wrap( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecp_keypair ) );
-
-    if( ctx != NULL )
-        mbedtls_ecp_keypair_init( ctx );
-
-    return( ctx );
-}
-
-static void eckey_free_wrap( void *ctx )
-{
-    mbedtls_ecp_keypair_free( (mbedtls_ecp_keypair *) ctx );
-    mbedtls_free( ctx );
-}
-
-static void eckey_debug( const void *ctx, mbedtls_pk_debug_item *items )
-{
-    items->type = MBEDTLS_PK_DEBUG_ECP;
-    items->name = "eckey.Q";
-    items->value = &( ((mbedtls_ecp_keypair *) ctx)->Q );
-}
-
-const mbedtls_pk_info_t mbedtls_eckey_info = {
-    MBEDTLS_PK_ECKEY,
-    "EC",
-    eckey_get_bitlen,
-    eckey_can_do,
-#if defined(MBEDTLS_ECDSA_C)
-    eckey_verify_wrap,
-    eckey_sign_wrap,
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-    eckey_verify_rs_wrap,
-    eckey_sign_rs_wrap,
-#endif
-#else /* MBEDTLS_ECDSA_C */
-    NULL,
-    NULL,
-#endif /* MBEDTLS_ECDSA_C */
-    NULL,
-    NULL,
-    eckey_check_pair,
-    eckey_alloc_wrap,
-    eckey_free_wrap,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    eckey_rs_alloc,
-    eckey_rs_free,
-#endif
-    eckey_debug,
-};
-
-/*
- * EC key restricted to ECDH
- */
-static int eckeydh_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_ECKEY ||
-            type == MBEDTLS_PK_ECKEY_DH );
-}
-
-const mbedtls_pk_info_t mbedtls_eckeydh_info = {
-    MBEDTLS_PK_ECKEY_DH,
-    "EC_DH",
-    eckey_get_bitlen,         /* Same underlying key structure */
-    eckeydh_can_do,
-    NULL,
-    NULL,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    NULL,
-    NULL,
-    eckey_check_pair,
-    eckey_alloc_wrap,       /* Same underlying key structure */
-    eckey_free_wrap,        /* Same underlying key structure */
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    eckey_debug,            /* Same underlying key structure */
-};
-#endif /* MBEDTLS_ECP_C */
-
-#if defined(MBEDTLS_USE_TINYCRYPT)
-
-/*
- * An ASN.1 encoded signature is a sequence of two ASN.1 integers. Parse one of
- * those integers and convert it to the fixed-length encoding.
- */
-static int extract_ecdsa_sig_int( unsigned char **from, const unsigned char *end,
-                                  unsigned char *to, size_t to_len )
-{
-    int ret;
-    size_t unpadded_len, padding_len;
-
-    if( ( ret = mbedtls_asn1_get_tag( from, end, &unpadded_len,
-                                      MBEDTLS_ASN1_INTEGER ) ) != 0 )
-    {
-        return( ret );
-    }
-
-    while( unpadded_len > 0 && **from == 0x00 )
-    {
-        ( *from )++;
-        unpadded_len--;
-    }
-
-    if( unpadded_len > to_len || unpadded_len == 0 )
-        return( MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
-
-    padding_len = to_len - unpadded_len;
-    memset( to, 0x00, padding_len );
-    memcpy( to + padding_len, *from, unpadded_len );
-    ( *from ) += unpadded_len;
-
-    return( 0 );
-}
-
-/*
- * Convert a signature from an ASN.1 sequence of two integers
- * to a raw {r,s} buffer. Note: the provided sig buffer must be at least
- * twice as big as int_size.
- */
-static int extract_ecdsa_sig( unsigned char **p, const unsigned char *end,
-                              unsigned char *sig, size_t int_size )
-{
-    int ret;
-    size_t tmp_size;
-
-    if( ( ret = mbedtls_asn1_get_tag( p, end, &tmp_size,
-                MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
-        return( ret );
-
-    /* Extract r */
-    if( ( ret = extract_ecdsa_sig_int( p, end, sig, int_size ) ) != 0 )
-        return( ret );
-    /* Extract s */
-    if( ( ret = extract_ecdsa_sig_int( p, end, sig + int_size, int_size ) ) != 0 )
-        return( ret );
-
-    return( 0 );
-}
-
-static size_t uecc_eckey_get_bitlen( const void *ctx )
-{
-    (void) ctx;
-    return( (size_t) ( NUM_ECC_BYTES * 8 ) );
-}
-
-static int uecc_eckey_check_pair( const void *pub, const void *prv )
-{
-    const mbedtls_uecc_keypair *uecc_pub =
-        (const mbedtls_uecc_keypair *) pub;
-    const mbedtls_uecc_keypair *uecc_prv =
-        (const mbedtls_uecc_keypair *) prv;
-
-    if( memcmp( uecc_pub->public_key,
-                uecc_prv->public_key,
-                2 * NUM_ECC_BYTES ) == 0 )
-    {
-        return( 0 );
-    }
-
-    return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-}
-
-static int uecc_eckey_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_ECDSA ||
-            type == MBEDTLS_PK_ECKEY );
-}
-
-static int uecc_eckey_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len )
-{
-    int ret;
-    uint8_t signature[2*NUM_ECC_BYTES];
-    unsigned char *p;
-    const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
-    const mbedtls_uecc_keypair *keypair = (const mbedtls_uecc_keypair *) ctx;
-
-    ((void) md_alg);
-    p = (unsigned char*) sig;
-
-    ret = extract_ecdsa_sig( &p, sig + sig_len, signature, NUM_ECC_BYTES );
-    if( ret != 0 )
-        return( ret );
-
-    ret = uECC_verify( keypair->public_key, hash,
-                       (unsigned) hash_len, signature, uecc_curve );
-    if( ret == 0 )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
-
-    return( 0 );
-}
-
-/*
- * Simultaneously convert and move raw MPI from the beginning of a buffer
- * to an ASN.1 MPI at the end of the buffer.
- * See also mbedtls_asn1_write_mpi().
- *
- * p: pointer to the end of the output buffer
- * start: start of the output buffer, and also of the mpi to write at the end
- * n_len: length of the mpi to read from start
- *
- * Warning:
- * The total length of the output buffer must be smaller than 128 Bytes.
- */
-static int asn1_write_mpibuf( unsigned char **p, unsigned char *start,
-                              size_t n_len )
-{
-    size_t len = 0;
-
-    if( (size_t)( *p - start ) < n_len )
-        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
-
-    len = n_len;
-    *p -= len;
-    memmove( *p, start, len );
-
-    /* ASN.1 DER encoding requires minimal length, so skip leading 0s.
-     * Neither r nor s should be 0, but as a failsafe measure, still detect
-     * that rather than overflowing the buffer in case of an error. */
-    while( len > 0 && **p == 0x00 )
-    {
-        ++(*p);
-        --len;
-    }
-
-    /* this is only reached if the signature was invalid */
-    if( len == 0 )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
-
-    /* if the msb is 1, ASN.1 requires that we prepend a 0.
-     * Neither r nor s can be 0, so we can assume len > 0 at all times. */
-    if( **p & 0x80 )
-    {
-        if( *p - start < 1 )
-            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
-
-        *--(*p) = 0x00;
-        len += 1;
-    }
-
-    /* The ASN.1 length encoding is just a single Byte containing the length,
-     * as we assume that the total buffer length is smaller than 128 Bytes. */
-    *--(*p) = len;
-    *--(*p) = MBEDTLS_ASN1_INTEGER;
-    len += 2;
-
-    return( (int) len );
-}
-
-/* Transcode signature from uECC format to ASN.1 sequence.
- * See ecdsa_signature_to_asn1 in ecdsa.c, but with byte buffers instead of
- * MPIs, and in-place.
- *
- * [in/out] sig: the signature pre- and post-transcoding
- * [in/out] sig_len: signature length pre- and post-transcoding
- * [int] buf_len: the available size the in/out buffer
- *
- * Warning: buf_len must be smaller than 128 Bytes.
- */
-static int pk_ecdsa_sig_asn1_from_uecc( unsigned char *sig, size_t *sig_len,
-                                        size_t buf_len )
-{
-    int ret;
-    size_t len = 0;
-    const size_t rs_len = *sig_len / 2;
-    unsigned char *p = sig + buf_len;
-
-    MBEDTLS_ASN1_CHK_ADD( len, asn1_write_mpibuf( &p, sig + rs_len, rs_len ) );
-    MBEDTLS_ASN1_CHK_ADD( len, asn1_write_mpibuf( &p, sig, rs_len ) );
-
-    /* The ASN.1 length encoding is just a single Byte containing the length,
-     * as we assume that the total buffer length is smaller than 128 Bytes. */
-    *--p = len;
-    *--p = MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE;
-    len += 2;
-
-    memmove( sig, p, len );
-    *sig_len = len;
-
-    return( 0 );
-}
-
-static int uecc_eckey_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    const mbedtls_uecc_keypair *keypair = (const mbedtls_uecc_keypair *) ctx;
-    const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
-    int ret;
-
-    /*
-     * RFC-4492 page 20:
-     *
-     *     Ecdsa-Sig-Value ::= SEQUENCE {
-     *         r       INTEGER,
-     *         s       INTEGER
-     *     }
-     *
-     * Size is at most
-     *    1 (tag) + 1 (len) + 1 (initial 0) + NUM_ECC_BYTES for each of r and s,
-     *    twice that + 1 (tag) + 2 (len) for the sequence
-     *
-     * (The ASN.1 length encodings are all 1-Byte encodings because
-     *  the total size is smaller than 128 Bytes).
-     */
-     #define MAX_SECP256R1_ECDSA_SIG_LEN ( 3 + 2 * ( 3 + NUM_ECC_BYTES ) )
-
-    ret = uECC_sign( keypair->private_key, hash, hash_len, sig, uecc_curve );
-    /* TinyCrypt uses 0 to signal errors. */
-    if( ret == 0 )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
-
-    *sig_len = 2 * NUM_ECC_BYTES;
-
-    /* uECC owns its rng function pointer */
-    (void) f_rng;
-    (void) p_rng;
-    (void) md_alg;
-
-    return( pk_ecdsa_sig_asn1_from_uecc( sig, sig_len,
-                                         MAX_SECP256R1_ECDSA_SIG_LEN ) );
-
-    #undef MAX_SECP256R1_ECDSA_SIG_LEN
-}
-
-static void *uecc_eckey_alloc_wrap( void )
-{
-    return( mbedtls_calloc( 1, sizeof( mbedtls_uecc_keypair ) ) );
-}
-
-static void uecc_eckey_free_wrap( void *ctx )
-{
-    if( ctx == NULL )
-        return;
-
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_uecc_keypair ) );
-    mbedtls_free( ctx );
-}
-
-const mbedtls_pk_info_t mbedtls_uecc_eckey_info =
-                        MBEDTLS_PK_INFO( MBEDTLS_PK_INFO_ECKEY );
-#endif /* MBEDTLS_USE_TINYCRYPT */
-
-#if defined(MBEDTLS_ECDSA_C)
-static int ecdsa_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_ECDSA );
-}
-
-static int ecdsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len )
-{
-    int ret;
-    ((void) md_alg);
-
-    ret = mbedtls_ecdsa_read_signature( (mbedtls_ecdsa_context *) ctx,
-                                hash, hash_len, sig, sig_len );
-
-    if( ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH )
-        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
-
-    return( ret );
-}
-
-static int ecdsa_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    return( mbedtls_ecdsa_write_signature( (mbedtls_ecdsa_context *) ctx,
-                md_alg, hash, hash_len, sig, sig_len, f_rng, p_rng ) );
-}
-
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-static int ecdsa_verify_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                       const unsigned char *hash, size_t hash_len,
-                       const unsigned char *sig, size_t sig_len,
-                       void *rs_ctx )
-{
-    int ret;
-    ((void) md_alg);
-
-    ret = mbedtls_ecdsa_read_signature_restartable(
-            (mbedtls_ecdsa_context *) ctx,
-            hash, hash_len, sig, sig_len,
-            (mbedtls_ecdsa_restart_ctx *) rs_ctx );
-
-    if( ret == MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH )
-        return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
-
-    return( ret );
-}
-
-static int ecdsa_sign_rs_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-                   void *rs_ctx )
-{
-    return( mbedtls_ecdsa_write_signature_restartable(
-                (mbedtls_ecdsa_context *) ctx,
-                md_alg, hash, hash_len, sig, sig_len, f_rng, p_rng,
-                (mbedtls_ecdsa_restart_ctx *) rs_ctx ) );
-
-}
-#endif /* MBEDTLS_ECP_RESTARTABLE */
-
-static void *ecdsa_alloc_wrap( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecdsa_context ) );
-
-    if( ctx != NULL )
-        mbedtls_ecdsa_init( (mbedtls_ecdsa_context *) ctx );
-
-    return( ctx );
-}
-
-static void ecdsa_free_wrap( void *ctx )
-{
-    mbedtls_ecdsa_free( (mbedtls_ecdsa_context *) ctx );
-    mbedtls_free( ctx );
-}
-
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-static void *ecdsa_rs_alloc( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecdsa_restart_ctx ) );
-
-    if( ctx != NULL )
-        mbedtls_ecdsa_restart_init( ctx );
-
-    return( ctx );
-}
-
-static void ecdsa_rs_free( void *ctx )
-{
-    mbedtls_ecdsa_restart_free( ctx );
-    mbedtls_free( ctx );
-}
-#endif /* MBEDTLS_ECP_RESTARTABLE */
-
-const mbedtls_pk_info_t mbedtls_ecdsa_info = {
-    MBEDTLS_PK_ECDSA,
-    "ECDSA",
-    eckey_get_bitlen,     /* Compatible key structures */
-    ecdsa_can_do,
-    ecdsa_verify_wrap,
-    ecdsa_sign_wrap,
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-    ecdsa_verify_rs_wrap,
-    ecdsa_sign_rs_wrap,
-#endif
-    NULL,
-    NULL,
-    eckey_check_pair,   /* Compatible key structures */
-    ecdsa_alloc_wrap,
-    ecdsa_free_wrap,
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-    ecdsa_rs_alloc,
-    ecdsa_rs_free,
-#endif
-    eckey_debug,        /* Compatible key structures */
-};
-#endif /* MBEDTLS_ECDSA_C */
-
-#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
-/*
- * Support for alternative RSA-private implementations
- */
-
-static int rsa_alt_can_do( mbedtls_pk_type_t type )
-{
-    return( type == MBEDTLS_PK_RSA );
-}
-
-static size_t rsa_alt_get_bitlen( const void *ctx )
-{
-    const mbedtls_rsa_alt_context *rsa_alt = (const mbedtls_rsa_alt_context *) ctx;
-
-    return( 8 * rsa_alt->key_len_func( rsa_alt->key ) );
-}
-
-static int rsa_alt_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
-                   const unsigned char *hash, size_t hash_len,
-                   unsigned char *sig, size_t *sig_len,
-                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    mbedtls_rsa_alt_context *rsa_alt = (mbedtls_rsa_alt_context *) ctx;
-
-#if SIZE_MAX > UINT_MAX
-    if( UINT_MAX < hash_len )
-        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
-#endif /* SIZE_MAX > UINT_MAX */
-
-    *sig_len = rsa_alt->key_len_func( rsa_alt->key );
-
-    return( rsa_alt->sign_func( rsa_alt->key, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
-                md_alg, (unsigned int) hash_len, hash, sig ) );
-}
-
-static int rsa_alt_decrypt_wrap( void *ctx,
-                    const unsigned char *input, size_t ilen,
-                    unsigned char *output, size_t *olen, size_t osize,
-                    int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
-{
-    mbedtls_rsa_alt_context *rsa_alt = (mbedtls_rsa_alt_context *) ctx;
-
-    ((void) f_rng);
-    ((void) p_rng);
-
-    if( ilen != rsa_alt->key_len_func( rsa_alt->key ) )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
-
-    return( rsa_alt->decrypt_func( rsa_alt->key,
-                MBEDTLS_RSA_PRIVATE, olen, input, output, osize ) );
-}
-
-#if defined(MBEDTLS_RSA_C)
-static int rsa_alt_check_pair( const void *pub, const void *prv )
-{
-    unsigned char sig[MBEDTLS_MPI_MAX_SIZE];
-    unsigned char hash[32];
-    size_t sig_len = 0;
-    int ret;
-
-    if( rsa_alt_get_bitlen( prv ) != rsa_get_bitlen( pub ) )
-        return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
-
-    memset( hash, 0x2a, sizeof( hash ) );
-
-    if( ( ret = rsa_alt_sign_wrap( (void *) prv, MBEDTLS_MD_NONE,
-                                   hash, sizeof( hash ),
-                                   sig, &sig_len, NULL, NULL ) ) != 0 )
-    {
-        return( ret );
-    }
-
-    if( rsa_verify_wrap( (void *) pub, MBEDTLS_MD_NONE,
-                         hash, sizeof( hash ), sig, sig_len ) != 0 )
-    {
-        return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
-    }
-
-    return( 0 );
-}
-#endif /* MBEDTLS_RSA_C */
-
-static void *rsa_alt_alloc_wrap( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_rsa_alt_context ) );
-
-    if( ctx != NULL )
-        memset( ctx, 0, sizeof( mbedtls_rsa_alt_context ) );
-
-    return( ctx );
-}
-
-static void rsa_alt_free_wrap( void *ctx )
-{
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_rsa_alt_context ) );
-    mbedtls_free( ctx );
-}
-
-const mbedtls_pk_info_t mbedtls_rsa_alt_info = {
-    MBEDTLS_PK_RSA_ALT,
-    "RSA-alt",
-    rsa_alt_get_bitlen,
-    rsa_alt_can_do,
-    NULL,
-    rsa_alt_sign_wrap,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    rsa_alt_decrypt_wrap,
-    NULL,
-#if defined(MBEDTLS_RSA_C)
-    rsa_alt_check_pair,
-#else
-    NULL,
-#endif
-    rsa_alt_alloc_wrap,
-    rsa_alt_free_wrap,
-#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
-    NULL,
-    NULL,
-#endif
-    NULL,
-};
-
-#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
-
-#endif /* MBEDTLS_PK_C */
diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index e6f9ec8..0596aff 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -271,7 +271,6 @@
     <ClCompile Include="..\..\library\padlock.c" />
     <ClCompile Include="..\..\library\pem.c" />
     <ClCompile Include="..\..\library\pk.c" />
-    <ClCompile Include="..\..\library\pk_wrap.c" />
     <ClCompile Include="..\..\library\pkcs11.c" />
     <ClCompile Include="..\..\library\pkcs12.c" />
     <ClCompile Include="..\..\library\pkcs5.c" />