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Rename generator-related internal identifiers

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perl -pe 's/crypto_generator/key_derivation/gi' $(git ls-files)
    perl -pe 's/_generator/_key_derivation/gi' $(git ls-files)
This commit is contained in:
Gilles Peskine 2019-05-16 16:59:18 +02:00
parent 03410b5c5f
commit cbe6650394
5 changed files with 38 additions and 38 deletions
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2
include/psa/crypto.h
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@ -3002,7 +3002,7 @@ psa_status_t psa_asymmetric_decrypt(psa_key_handle_t handle,
* make any assumptions about the content of this structure except * make any assumptions about the content of this structure except
* as directed by the documentation of a specific implementation. * as directed by the documentation of a specific implementation.
*/ */
typedef struct psa_crypto_generator_s psa_key_derivation_operation_t; typedef struct psa_key_derivation_s psa_key_derivation_operation_t;
/** \def PSA_KEY_DERIVATION_OPERATION_INIT /** \def PSA_KEY_DERIVATION_OPERATION_INIT
* *

16
include/psa/crypto_struct.h
View File

@ -188,11 +188,11 @@ typedef struct
uint8_t block_number; uint8_t block_number;
unsigned int state : 2; unsigned int state : 2;
unsigned int info_set : 1; unsigned int info_set : 1;
} psa_hkdf_generator_t; } psa_hkdf_key_derivation_t;
#endif /* MBEDTLS_MD_C */ #endif /* MBEDTLS_MD_C */
#if defined(MBEDTLS_MD_C) #if defined(MBEDTLS_MD_C)
typedef struct psa_tls12_prf_generator_s typedef struct psa_tls12_prf_key_derivation_s
{ {
/* The TLS 1.2 PRF uses the key for each HMAC iteration, /* The TLS 1.2 PRF uses the key for each HMAC iteration,
* hence we must store it for the lifetime of the generator. * hence we must store it for the lifetime of the generator.
@ -219,10 +219,10 @@ typedef struct psa_tls12_prf_generator_s
/* The 1-based number of the block. */ /* The 1-based number of the block. */
uint8_t block_number; uint8_t block_number;
} psa_tls12_prf_generator_t; } psa_tls12_prf_key_derivation_t;
#endif /* MBEDTLS_MD_C */ #endif /* MBEDTLS_MD_C */
struct psa_crypto_generator_s struct psa_key_derivation_s
{ {
psa_algorithm_t alg; psa_algorithm_t alg;
size_t capacity; size_t capacity;
@ -234,16 +234,16 @@ struct psa_crypto_generator_s
size_t size; size_t size;
} buffer; } buffer;
#if defined(MBEDTLS_MD_C) #if defined(MBEDTLS_MD_C)
psa_hkdf_generator_t hkdf; psa_hkdf_key_derivation_t hkdf;
psa_tls12_prf_generator_t tls12_prf; psa_tls12_prf_key_derivation_t tls12_prf;
#endif #endif
} ctx; } ctx;
}; };
#define PSA_KEY_DERIVATION_OPERATION_INIT {0, 0, {{0, 0}}} #define PSA_KEY_DERIVATION_OPERATION_INIT {0, 0, {{0, 0}}}
static inline struct psa_crypto_generator_s psa_key_derivation_operation_init( void ) static inline struct psa_key_derivation_s psa_key_derivation_operation_init( void )
{ {
const struct psa_crypto_generator_s v = PSA_KEY_DERIVATION_OPERATION_INIT; const struct psa_key_derivation_s v = PSA_KEY_DERIVATION_OPERATION_INIT;
return( v ); return( v );
} }

46
library/psa_crypto.c
View File

@ -4065,7 +4065,7 @@ exit:
#define HKDF_STATE_KEYED 2 /* got key */ #define HKDF_STATE_KEYED 2 /* got key */
#define HKDF_STATE_OUTPUT 3 /* output started */ #define HKDF_STATE_OUTPUT 3 /* output started */
static psa_algorithm_t psa_generator_get_kdf_alg( static psa_algorithm_t psa_key_derivation_get_kdf_alg(
const psa_key_derivation_operation_t *generator ) const psa_key_derivation_operation_t *generator )
{ {
if ( PSA_ALG_IS_KEY_AGREEMENT( generator->alg ) ) if ( PSA_ALG_IS_KEY_AGREEMENT( generator->alg ) )
@ -4078,7 +4078,7 @@ static psa_algorithm_t psa_generator_get_kdf_alg(
psa_status_t psa_key_derivation_abort( psa_key_derivation_operation_t *generator ) psa_status_t psa_key_derivation_abort( psa_key_derivation_operation_t *generator )
{ {
psa_status_t status = PSA_SUCCESS; psa_status_t status = PSA_SUCCESS;
psa_algorithm_t kdf_alg = psa_generator_get_kdf_alg( generator ); psa_algorithm_t kdf_alg = psa_key_derivation_get_kdf_alg( generator );
if( kdf_alg == 0 ) if( kdf_alg == 0 )
{ {
/* The object has (apparently) been initialized but it is not /* The object has (apparently) been initialized but it is not
@ -4156,7 +4156,7 @@ psa_status_t psa_key_derivation_set_capacity( psa_key_derivation_operation_t *ge
#if defined(MBEDTLS_MD_C) #if defined(MBEDTLS_MD_C)
/* Read some bytes from an HKDF-based generator. This performs a chunk /* Read some bytes from an HKDF-based generator. This performs a chunk
* of the expand phase of the HKDF algorithm. */ * of the expand phase of the HKDF algorithm. */
static psa_status_t psa_generator_hkdf_read( psa_hkdf_generator_t *hkdf, static psa_status_t psa_key_derivation_hkdf_read( psa_hkdf_key_derivation_t *hkdf,
psa_algorithm_t hash_alg, psa_algorithm_t hash_alg,
uint8_t *output, uint8_t *output,
size_t output_length ) size_t output_length )
@ -4223,8 +4223,8 @@ static psa_status_t psa_generator_hkdf_read( psa_hkdf_generator_t *hkdf,
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
static psa_status_t psa_generator_tls12_prf_generate_next_block( static psa_status_t psa_key_derivation_tls12_prf_generate_next_block(
psa_tls12_prf_generator_t *tls12_prf, psa_tls12_prf_key_derivation_t *tls12_prf,
psa_algorithm_t alg ) psa_algorithm_t alg )
{ {
psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH( alg ); psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH( alg );
@ -4258,7 +4258,7 @@ static psa_status_t psa_generator_tls12_prf_generate_next_block(
* A(0) = seed * A(0) = seed
* A(i) = HMAC_hash( secret, A(i-1) ) * A(i) = HMAC_hash( secret, A(i-1) )
* *
* The `psa_tls12_prf_generator` structures saves the block * The `psa_tls12_prf_key_derivation` structures saves the block
* `HMAC_hash(secret, A(i) + seed)` from which the output * `HMAC_hash(secret, A(i) + seed)` from which the output
* is currently extracted as `output_block`, while * is currently extracted as `output_block`, while
* `A(i) + seed` is stored in `Ai_with_seed`. * `A(i) + seed` is stored in `Ai_with_seed`.
@ -4337,8 +4337,8 @@ cleanup:
/* Read some bytes from an TLS-1.2-PRF-based generator. /* Read some bytes from an TLS-1.2-PRF-based generator.
* See Section 5 of RFC 5246. */ * See Section 5 of RFC 5246. */
static psa_status_t psa_generator_tls12_prf_read( static psa_status_t psa_key_derivation_tls12_prf_read(
psa_tls12_prf_generator_t *tls12_prf, psa_tls12_prf_key_derivation_t *tls12_prf,
psa_algorithm_t alg, psa_algorithm_t alg,
uint8_t *output, uint8_t *output,
size_t output_length ) size_t output_length )
@ -4355,7 +4355,7 @@ static psa_status_t psa_generator_tls12_prf_read(
/* Check if we have fully processed the current block. */ /* Check if we have fully processed the current block. */
if( n == 0 ) if( n == 0 )
{ {
status = psa_generator_tls12_prf_generate_next_block( tls12_prf, status = psa_key_derivation_tls12_prf_generate_next_block( tls12_prf,
alg ); alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
@ -4381,7 +4381,7 @@ psa_status_t psa_key_derivation_output_bytes( psa_key_derivation_operation_t *ge
size_t output_length ) size_t output_length )
{ {
psa_status_t status; psa_status_t status;
psa_algorithm_t kdf_alg = psa_generator_get_kdf_alg( generator ); psa_algorithm_t kdf_alg = psa_key_derivation_get_kdf_alg( generator );
if( generator->alg == 0 ) if( generator->alg == 0 )
{ {
@ -4430,13 +4430,13 @@ psa_status_t psa_key_derivation_output_bytes( psa_key_derivation_operation_t *ge
if( PSA_ALG_IS_HKDF( kdf_alg ) ) if( PSA_ALG_IS_HKDF( kdf_alg ) )
{ {
psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH( kdf_alg ); psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH( kdf_alg );
status = psa_generator_hkdf_read( &generator->ctx.hkdf, hash_alg, status = psa_key_derivation_hkdf_read( &generator->ctx.hkdf, hash_alg,
output, output_length ); output, output_length );
} }
else if( PSA_ALG_IS_TLS12_PRF( kdf_alg ) || else if( PSA_ALG_IS_TLS12_PRF( kdf_alg ) ||
PSA_ALG_IS_TLS12_PSK_TO_MS( kdf_alg ) ) PSA_ALG_IS_TLS12_PSK_TO_MS( kdf_alg ) )
{ {
status = psa_generator_tls12_prf_read( &generator->ctx.tls12_prf, status = psa_key_derivation_tls12_prf_read( &generator->ctx.tls12_prf,
kdf_alg, output, kdf_alg, output,
output_length ); output_length );
} }
@ -4571,7 +4571,7 @@ exit:
* Note that if this function fails, you must call psa_key_derivation_abort() * Note that if this function fails, you must call psa_key_derivation_abort()
* to potentially free embedded data structures and wipe confidential data. * to potentially free embedded data structures and wipe confidential data.
*/ */
static psa_status_t psa_generator_hkdf_setup( psa_hkdf_generator_t *hkdf, static psa_status_t psa_key_derivation_hkdf_setup( psa_hkdf_key_derivation_t *hkdf,
const uint8_t *secret, const uint8_t *secret,
size_t secret_length, size_t secret_length,
psa_algorithm_t hash_alg, psa_algorithm_t hash_alg,
@ -4616,8 +4616,8 @@ static psa_status_t psa_generator_hkdf_setup( psa_hkdf_generator_t *hkdf,
* Note that if this function fails, you must call psa_key_derivation_abort() * Note that if this function fails, you must call psa_key_derivation_abort()
* to potentially free embedded data structures and wipe confidential data. * to potentially free embedded data structures and wipe confidential data.
*/ */
static psa_status_t psa_generator_tls12_prf_setup( static psa_status_t psa_key_derivation_tls12_prf_setup(
psa_tls12_prf_generator_t *tls12_prf, psa_tls12_prf_key_derivation_t *tls12_prf,
const unsigned char *key, const unsigned char *key,
size_t key_len, size_t key_len,
psa_algorithm_t hash_alg, psa_algorithm_t hash_alg,
@ -4669,8 +4669,8 @@ static psa_status_t psa_generator_tls12_prf_setup(
} }
/* Set up a TLS-1.2-PSK-to-MS-based generator. */ /* Set up a TLS-1.2-PSK-to-MS-based generator. */
static psa_status_t psa_generator_tls12_psk_to_ms_setup( static psa_status_t psa_key_derivation_tls12_psk_to_ms_setup(
psa_tls12_prf_generator_t *tls12_prf, psa_tls12_prf_key_derivation_t *tls12_prf,
const unsigned char *psk, const unsigned char *psk,
size_t psk_len, size_t psk_len,
psa_algorithm_t hash_alg, psa_algorithm_t hash_alg,
@ -4699,7 +4699,7 @@ static psa_status_t psa_generator_tls12_psk_to_ms_setup(
pms[2 + psk_len + 1] = pms[1]; pms[2 + psk_len + 1] = pms[1];
memcpy( pms + 4 + psk_len, psk, psk_len ); memcpy( pms + 4 + psk_len, psk, psk_len );
status = psa_generator_tls12_prf_setup( tls12_prf, status = psa_key_derivation_tls12_prf_setup( tls12_prf,
pms, 4 + 2 * psk_len, pms, 4 + 2 * psk_len,
hash_alg, hash_alg,
salt, salt_length, salt, salt_length,
@ -4752,7 +4752,7 @@ static psa_status_t psa_key_derivation_internal(
if( hash_size == 0 ) if( hash_size == 0 )
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
max_capacity = 255 * hash_size; max_capacity = 255 * hash_size;
status = psa_generator_hkdf_setup( &generator->ctx.hkdf, status = psa_key_derivation_hkdf_setup( &generator->ctx.hkdf,
secret, secret_length, secret, secret_length,
hash_alg, hash_alg,
salt, salt_length, salt, salt_length,
@ -4776,14 +4776,14 @@ static psa_status_t psa_key_derivation_internal(
if( PSA_ALG_IS_TLS12_PRF( alg ) ) if( PSA_ALG_IS_TLS12_PRF( alg ) )
{ {
status = psa_generator_tls12_prf_setup( &generator->ctx.tls12_prf, status = psa_key_derivation_tls12_prf_setup( &generator->ctx.tls12_prf,
secret, secret_length, secret, secret_length,
hash_alg, salt, salt_length, hash_alg, salt, salt_length,
label, label_length ); label, label_length );
} }
else else
{ {
status = psa_generator_tls12_psk_to_ms_setup( status = psa_key_derivation_tls12_psk_to_ms_setup(
&generator->ctx.tls12_prf, &generator->ctx.tls12_prf,
secret, secret_length, secret, secret_length,
hash_alg, salt, salt_length, hash_alg, salt, salt_length,
@ -4905,7 +4905,7 @@ psa_status_t psa_key_derivation_setup( psa_key_derivation_operation_t *generator
} }
#if defined(MBEDTLS_MD_C) #if defined(MBEDTLS_MD_C)
static psa_status_t psa_hkdf_input( psa_hkdf_generator_t *hkdf, static psa_status_t psa_hkdf_input( psa_hkdf_key_derivation_t *hkdf,
psa_algorithm_t hash_alg, psa_algorithm_t hash_alg,
psa_key_derivation_step_t step, psa_key_derivation_step_t step,
const uint8_t *data, const uint8_t *data,
@ -4978,7 +4978,7 @@ static psa_status_t psa_key_derivation_input_raw(
size_t data_length ) size_t data_length )
{ {
psa_status_t status; psa_status_t status;
psa_algorithm_t kdf_alg = psa_generator_get_kdf_alg( generator ); psa_algorithm_t kdf_alg = psa_key_derivation_get_kdf_alg( generator );
if( kdf_alg == PSA_ALG_SELECT_RAW ) if( kdf_alg == PSA_ALG_SELECT_RAW )
{ {

6
tests/suites/test_suite_psa_crypto.data
View File

@ -1717,7 +1717,7 @@ depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V21:MBEDTLS_SHA256_C
asymmetric_decrypt_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_OAEP(PSA_ALG_SHA_256):"0099ffde2fcc00c9cc01972ebfa7779b298dbbaf7f50707a7405296dd2783456fc792002f462e760500e02afa25a859ace8701cb5d3b0262116431c43af8eb08f5a88301057cf1c156a2a5193c143e7a5b03fac132b7e89e6dcd8f4c82c9b28452329c260d30bc39b3816b7c46b41b37b4850d2ae74e729f99c6621fbbe2e46872":"":129:PSA_ERROR_INVALID_ARGUMENT asymmetric_decrypt_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_OAEP(PSA_ALG_SHA_256):"0099ffde2fcc00c9cc01972ebfa7779b298dbbaf7f50707a7405296dd2783456fc792002f462e760500e02afa25a859ace8701cb5d3b0262116431c43af8eb08f5a88301057cf1c156a2a5193c143e7a5b03fac132b7e89e6dcd8f4c82c9b28452329c260d30bc39b3816b7c46b41b37b4850d2ae74e729f99c6621fbbe2e46872":"":129:PSA_ERROR_INVALID_ARGUMENT
Crypto generator initializers zero properly Crypto generator initializers zero properly
crypto_generator_init: key_derivation_init:
PSA key derivation: HKDF-SHA-256, good case PSA key derivation: HKDF-SHA-256, good case
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
@ -1757,11 +1757,11 @@ derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":
PSA key derivation: invalid generator state ( double generate + read past capacity ) PSA key derivation: invalid generator state ( double generate + read past capacity )
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
test_derive_invalid_generator_state: test_derive_invalid_key_derivation_state:
PSA key derivation: invalid generator state ( call read/get_capacity after init and abort ) PSA key derivation: invalid generator state ( call read/get_capacity after init and abort )
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
test_derive_invalid_generator_tests: test_derive_invalid_key_derivation_tests:
PSA key derivation: HKDF SHA-256, RFC5869 #1, output 42+0 PSA key derivation: HKDF SHA-256, RFC5869 #1, output 42+0
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C

6
tests/suites/test_suite_psa_crypto.function
View File

@ -3996,7 +3996,7 @@ exit:
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void crypto_generator_init( ) void key_derivation_init( )
{ {
/* Test each valid way of initializing the object, except for `= {0}`, as /* Test each valid way of initializing the object, except for `= {0}`, as
* Clang 5 complains when `-Wmissing-field-initializers` is used, even * Clang 5 complains when `-Wmissing-field-initializers` is used, even
@ -4064,7 +4064,7 @@ exit:
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void test_derive_invalid_generator_state( ) void test_derive_invalid_key_derivation_state( )
{ {
psa_key_handle_t handle = 0; psa_key_handle_t handle = 0;
size_t key_type = PSA_KEY_TYPE_DERIVE; size_t key_type = PSA_KEY_TYPE_DERIVE;
@ -4113,7 +4113,7 @@ exit:
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void test_derive_invalid_generator_tests( ) void test_derive_invalid_key_derivation_tests( )
{ {
uint8_t output_buffer[16]; uint8_t output_buffer[16];
size_t buffer_size = 16; size_t buffer_size = 16;